A clear understanding of genetic diversity in weedy rice is important in improving protocols for its conservation, ex situ. To this end, Asian collections of weedy rice together with accessions of the wild AA genome species Oryza nivara Sharma et Shastry and Oryza rufipogon Griffith, and the cultivated species, Oryza sativa L. were characterized using...Read MoreCite This

Rich biodiversity is one of the Philippines’ greatest assets of which populations of flora and fauna continuously face massive threats due to anthropogenic interventions. This study in Mt. Calavite Wildlife Sanctuary (MCWS) is one of the pioneering research projects on vertebrate fauna in a permanent biodiversity monitoring plot that followed a nationally accepted system of...Read MoreCite This

This study clarifies the data error rates optimization for OFC/OWC channels based on different transmission codes. These codes that are namely multi bits/symbol digital pulse interval modulation (DPIM), multi bits/symbol pulse position modulation (PPM), nonreturn to zero inverted (NRZI), 4 bit data symbol/5 bit code (4B5B), and Manchester for upgrading optical wired/wireless communication systems. The optical power...Read MoreCite This

Disease such as cancer and parameter estimation methods are major concerns in the field of medicine. Understanding the pace at which cancer spreads is essential for gaining insights into the disease’s progression and devising effective treatment strategies. Cancer growth rates differ widely among individuals and types of cancer, emphasizing the need for thorough study and...Read MoreCite This

Introduction: The use of machine learning (ML) approaches to improve energy utilization in smart urban environments has garnered significant attention in recent years. Objective: This research presents an innovative structure called a bi-fold mechanism-driven convolutional deep network (BMCDN) for estimating the energy performance of urban public facilities in urban energy management systems. Methods: The suggested...Read MoreCite This

Prior digital pulse width modulation (DPWM) techniques are implemented with numerous D flip-flops (DFFs), which exponentially increase with the resolution and can easily affected by clock skew. This study presents a high-resolution (N = 8) DPWM design that uses a small number of DFFs (The prior architectures used the 2N number of DFFs in their...Read MoreCite This

This study aims to analyze the effect of supplier collaboration, digital analytic capability, and sourcing strategy on supply chain performance with agility as a mediating variable. In the era of Industry 4.0, companies are required to improve supply chain efficiency through collaboration and the use of digital technology. Data were collected from 120 respondents who...Read MoreCite This

The prevalence of ecological and environmental hazards that adversely impact human lives necessitates the intensification of ecological literacy for the populace. This deepening of people’s knowledge of environmental science for disaster risk reduction and mitigation can be realized through literary pedagogy centering on ecocriticism. Hence, this qualitative study utilizing a case study approach aims to...Read MoreCite This

Understanding how employees act at work to save energy and the meaning for sustainability and environmental protection is essential. This research aimed to analyze the influences of Subjective Norms (SN), Descriptive Norms (DN), and Environmental Knowledge (EK) on employees’ intention to save energy (ISE) in the Philippines (PH) and the Dominican Republic (DR). The effects...Read MoreCite This

The primary objective of this study is to segment the uterine fibroids (leiomyoma) from the ultrasound images of the uterus through semantic segmentation, followed by second-order statistical feature extraction using the Gray-level Co-occurrence Matrix (GLCM). The next objective of the study is to compare the performance of the state-of-the-art method namely Vision Transformer (ViT) with...Read MoreCite This

Diagnosing tumors in Magnetic Resonance Imaging (MRI) brain scans is challenging and can lead to errors, even for radiologists. Deep learning, mainly through deep convolutional neural networks, has assisted in automating the diagnosis of these scans. However, there is still room for improvement. Researchers have shown that transformer models hold promise but often remain underutilized...Read MoreCite This

In such a brief period, the recent coronavirus (COVID-19) already infected large populations worldwide. Diagnosing an infected individual requires a Real-Time Polymerase Chain Reaction (RT-PCR) test, which can become expensive and limited in most developing countries, making them rely on alternatives like Chest X-Rays (CXR) or Computerized Tomography (CT) scans. However, results from these imaging...Read MoreCite This

Deep learning and computer vision revolutionized a new method to automate medical image diagnosis. However, to achieve reliable and state-of-the-art performance, vision-based models require high computing costs and robust datasets. Moreover, even with the conventional training methods, large vision-based models still involve lengthy epochs and costly disk consumptions that can entail difficulty during deployment due...Read MoreCite This

This study investigates the effectiveness of translation-based learning in enhancing vocabulary retention, comprehension, and learner confidence across different proficiency levels among English language learners. While the use of translation in language learning has been debated, research on its impact at varying proficiency levels remains limited. This study aims to address this gap by exploring how...Read MoreCite This

This study proposed a novel approach to personalized medication management using wearable sensors and IoT (Internet of Things) technology. The aim is to develop a medication reminder system that is tailored to the individual needs of patients, taking into account their specific medication schedules and dosages. The system uses wearable sensors to monitor the patient’s...Read MoreCite This

This study documents the threats of the critically endangered Tectona philippinensis in the backdrop of the past conservation policies and projects. Twelve 20m x 50m plots were distributed in three altitudinal strata (S1= 50 – 100 m asl, S2= 150 to 200 m asl, and S3= 250 – 300 m asl) using stratified random sampling. Every tree was examined...Read MoreCite This

Thermal stress significantly impacts the health, performance, and well-being of student-athletes, particularly in tropical climates like the Philippines. This study explores the lived experiences of student-athletes at Batangas State University The National Engineering University (BatStateU TNEU) regarding thermal stress and its physiological, psychological, and systemic dimensions. Using a phenomenological qualitative approach, data were gathered through...Read MoreCite This

This paper attempts to describe the signifier choice of student artists in thematic representations of digital visual arts and determine its implications for digital pedagogy. Utilising a qualitative approach to research and covering a corpus of six digital artworks of student artists, the semiotic analysis utilising Peirce’s (1991) sign modes showed the student artists’ preference...Read MoreCite This

The Philippines is said to be the center of the center of marine shore fish biodiversity because of a key marine biodiversity corridor known as the Verde Island Passage (VIP), which has up to 1,736 species over a 10 x 10 km area (Carpenter and Springer 2005). The VIP harbors a vast and rich marine...Read MoreCite This

This study investigates the relationship between sports and physical activity anxiety and self-actualization among university students. Utilizing a quantitative research design with a descriptive correlation approach, the study involved 2,043 respondents selected through simple random sampling. Two primary instruments were employed: the physical activity and sport anxiety scale (PASAS) to measure anxiety levels and the...Read MoreCite This

In laser-arc hybrid welding, the selection of welding parameters is crucial for achieving excellent mechanical properties of weld joints. In this paper, based on the experimental data of laser-arc hybrid plate butt welding, a BP neural network was employed to establish a prediction model between the hybrid-welding process parameters, namely welding current I/A, laser power...Read MoreCite This

This study explored the link between situational interest and university engagement among undergraduates from five state universities in the Philippines. The present study used a quantitative predictive design to examine how situational interest dimensions influence engagement in learning Philippine traditional dances. Results indicated that situational interest significantly predicted university engagement, with a notable portion of...Read MoreCite This

Despite substantial studies on the influence of emotional support from teachers on student engagement, there is a dearth of research regarding how academic motivation improves the effectiveness of teacher support in improving college student engagement. This study investigates the mediating role of academic motivation in the relationship between teacher emotional support and student engagement. Utilizing...Read MoreCite This

This study investigates the impact of educational management on English language acquisition and environmental science knowledge dissemination in bilingual education environments, with a focus on cross-cultural integration. Through methods including questionnaires, interviews, classroom observations, and document analysis, data were collected from multiple bilingual schools across Western and Asian regions. The findings indicate that diversified curricula...Read MoreCite This

This study assesses the influence of attitude, subjective norms, and perceived behavioral control of employees at Denovo Express Endeavors Corp. on the actual usage of GCash payments. It aims to understand employee behavior toward digital payments and how GCash is utilized, while also examining usage differences based on respondent profiles. A descriptive research method was...Read MoreCite This

Bilimbi (Averrhoa bilimbi) is an underutilized fruit usually grown in tropical countries and is widely added as souring agent in many Filipino dishes. However, it is undervalued and its utilization is limited due to short shelf life. Drying is one of the more popular and cheapest means of prolonging its storage life. This study aimed...Read MoreCite This

This study examines the mediating role of perceived control in the relationship between sports engagement and success perceptions among adolescent athletes in Regions IX and X, Philippines. Using a quantitative, correlational research design, data were collected from 150 student-athletes aged 18–25 years through stratified random sampling. Validated instruments—including the Sports Engagement Scale, Perceived Control Scale...Read MoreCite This

Andrographolide is a crystalline diterpene lactone present in Andrographis paniculata (AP) and considered as the most active and important secondary metabolite component of the said plant. Few reports are available regarding the biological activities of the AP plant extract. In this study andrographolide content of ethanolic extracts of different AP plant parts was determined using...Read MoreCite This

The advent of the fourth industrial revolution (4IR) offers promising improvements in operational efficiency and profitability for various industries, and can be a key component to leapfrog the many sectors of manufacturing in the Philippines. This will necessitate the reskilling and upskilling of Filipino automation engineers and instrumentation technicians to commission and maintain smart technologies...Read MoreCite This

This study utilized the Unified Theory of Acceptance and Use of Technology (UTAUT) model to analyze the adoption and utilization of field incident management system (IMS) in a manufacturing organization. The study specifically focused on the role of behavior as a key factor in the adoption and utilization of incident management system. Data was collected...Read MoreCite This

Construction industry covers more than 70 percent of the total work strength of Philippines. This entails clear regulations and working conditions among its workers. In an attempt to discover the current condition of the workers, this study determined the demographic and socio-economic profile of construction workers in Malvar, Batangas, Philippines. Further, this also determined the...Read MoreCite This

This study examined the social climate of fully synchronous online English classrooms and its effects on students’ learning outcomes in a mixed-methods design, engaging 196 first-year non-English major students experiencing their first fully synchronous online English classes on Zoom in one academic term (12 weeks), taught by foreign lecturers. The results reveal a very positive...Read MoreCite This

Morphological and phylogenetic analysis showed that the Gambierdiscus isolate from Bolinao, Philippines belongs to the species of G. carpenteri. It was morphologically more similar to the Merimbula strain than the subtropical Florida Keys strain. Growth and toxin production were also investigated at varying levels of temperature, salinity, and irradiance. Gambierdiscus are known to grow favorably...Read MoreCite This

Mercury (Hg2+) ion is considered as one of the most lethal heavy-metal contaminants accounting for its extreme persistence, bioaccumulation, and toxicity. The objective of this study is to synthesize hybrid carbon quantum dots (h-CQDs) for the detection of Hg2+ ion in purified water and simulated seawater using ratiometric fluorescence assay between blue carbon quantum dots(b-CQDs)...Read MoreCite This

In modern urban traffic, vehicles and pedestrians are fundamental elements in the study of traffic dynamics. Vehicle and pedestrian detection have significant practical value in fields like autonomous driving, traffic management, and public security. However, traditional detection methods struggle in complex environments due to challenges such as varying scales, target occlusion, and high computational costs...Read MoreCite This

Urban bicycle tourism refers to the recreational and enjoyable use of bicycles in navigating urban cities like Iloilo City. The city has already established an 11-kilometer cycling infrastructure within its boundaries. It is imperative to maximize its use to combat the negative impacts of rapid urbanization and promote safe and sustainable transportation. This paper shows...Read MoreCite This

The transition to online learning in Physical Education (PE) has posed significant challenges due to the subject’s inherently practical and movement-based nature. This study explores students’ experiences and attitudes toward online PE, the difficulties they encounter, and its perceived impact on academic performance. A descriptive research design was employed, utilizing a structured questionnaire to gather...Read MoreCite This

Educators today face relentless challenges, making academic resilience crucial for success. However, limited research has examined how school climate, a multidimensional construct shaping students’ experiences, influenced resilience among Physical Education Teacher Education (PETE) students. This gap was particularly evident across cultural and educational contexts, leaving institutions without clear strategies to nurture resilience in future educators...Read MoreCite This

—Astronomy explores celestial bodies and the laws that govern the universe, but its abstract concepts often challenge students’ understanding and interest, leading to disengagement. Traditional teaching methods often fail to convey effectively the vastness of astronomical concepts. This study developed and evaluated a Virtual Reality (VR)integrated teaching material for Grade 9 Science, focusing on its...Read MoreCite This

Audio classification has been one of the most popular applications of Artificial Neural Networks. This process is at the center of modern AI technology, such as virtual assistants, automatic speech recognition, and text-to-speech applications. There have been studies about spoken digit classification and its applications. However, to the best of the author’s knowledge, very few...Read MoreCite This

This research presents a comprehensive assessment of Sepaktakraw athletes at Batangas State University (BatStateU) TNEU, aiming to enhance athlete development through evidence-based methodologies. Recognizing the global trend towards universities’ pivotal role in athlete development, the study addresses the diverse landscape of sports programs, particularly focusing on Sepaktakraw in the Philippines. BatStateU’s visionary 5-year development plan...Read MoreCite This

The current 5G network needs to achieve a considerably larger link capacity and ultra-low latency to enhance mobile broadbands and support emerging mobile applications and massive IoT. Thus, implementing MIMO-OFDM Spatial Multiplexing and Hybrid Beamforming techniques helped increase the information capacity using multiple transmit and receive antennas. At the same time, these can improve the...Read MoreCite This

The interplay of groups and graphs has been a subject of interest by mathematics researchers nowadays. One particular instance is the identity graph of a group introduced by Kandasamy . Moreover, the concept of a central graph of any graph is widely used by many graph theorists. The central graph of a graph G denoted...Read MoreCite This

This study aims to develop an SSI-based electronic learning material that will respond to the current educational landscape.  Socio-scientific issues are utilized in the e-LM recognizing it can be useful in resolving societal issues and assisting learners in developing scientific habits of mind. A Mixed-method research design was employed in the development and validation...Read MoreCite This

This study conducted a labor market assessment aimed at identifying the alignment between industry skill demands and the available skills within a local urban community. The research sought to improve employment opportunities by analyzing labor market trends and identifying gaps between workforce competencies and job requirements. Utilizing both quantitative data and qualitative insights from focus...Read MoreCite This

The Smart Agribot is a cutting-edge robotic system developed to improve how green beans are grown in the Philippines. It combines advanced technology like Convolutional Neural Networks (CNNs) for disease detection, automated spraying, and efficient crop transportation. This project aims to make farming more productive, reduce waste, and improve plant health. The Agribot’s physical design...Read MoreCite This

Improper sitting posture is a common issue affecting many individuals, even young ones. Prolonged periods of sitting, whether at work, studying, or at home, can lead to back pain and other health problems. The study focused on the software’s material specifications and system flow required to create the system. The engineering design process involved using...Read MoreCite This

This research illustrates a DC–DC buck converter with a pulse width modulation (PWM) feedback control loop and capable of power supply voltage range from VDD to 2.5× VDD, which is equivalent to 5–14 V. It is a single chip with area of 1.379 × 0.813 mm2 using 0.5 µm HV CMOS process, where high voltage (HV) MOSFETs, a Dead-time detector, a...Read MoreCite This

This research illustrates a DC–DC buck converter with a pulse width modulation (PWM) feedback control loop and capable of power supply voltage range from VDD to 2.5× VDD, which is equivalent to 5–14 V. It is a single chip with area of 1.379 × 0.813 mm² using 0.5 µm HV CMOS process, where high voltage...Read MoreCite This

The study investigated pre-service ESL teachers’ speaking competence across four dimensions (Goh, 2007): phonological, speech function, interaction management, and extended discourse organization skills. It further examined their relationship to two expectancy components of self-regulated motivation while performing speaking tasks in asynchronous settings. A mixed-methods approach collected data from 186 respondents, using a motivated strategies for...Read MoreCite This

Self-concept is one of the keys in a person’s social mobility. It will help him either to succeed or fail. This study determined the self-concept and the social mobility of the female faculty at Batangas State University JPLPC-Malvar, Philippines. Respectively, it dealt with the following: the respondents’ profile in terms of status of employment, department...Read MoreCite This

The endangered Pterocarpus indicus Willd., or narra, is one of the priority species for biodiversity conservation and protection in the Philippines. However, no studies were conducted about the impact of provenance in the seedling performance and survival of narra. The present study aimed to address this gap and study the impact of seed sources and...Read MoreCite This

This paper presents a Schmitt-trigger-based SRAM with a separated read port, which significantly improves read static noise margin (RSNM) and consumes low energy. Post-layout simulation results show that the proposed design performed better than the conventional 6T SRAM cell. The SNM of the designed cell is 1.16 mV higher than the conventional 6T SRAM cell...Read MoreCite This

Interest in connecting Chemical Reactions Network Theory (CRNT) and evolutionary game theory (EGT) arise viewing the tools of network in the analysis of evolutionary games. Here, the evolution of population species is studied as a biological phenomenon and describing the rate of such changes through a replicator system becomes a focus. A set of polynomial...Read MoreCite This

Understanding people’s thinking and actions through exploring their word choice in written discourse can provide an objective analysis of their behavioural patterns in responding to life adversities. This study utilising quantitative and qualitative approaches is an attempt to investigate the coping mechanisms as response to the challenges of pursuing a bachelor’s degree of teacher education...Read MoreCite This

This case study, framed within a qualitative design, captured the interplay of language functions and rhetorical devices of a climate protest song in fostering sustainability through ecological conservation. This textual interplay identified through conducting a stylistic analysis of the lyrics of Ryan Cayabyab’s Paraiso, an Original Pilipino Music (OPM) climate protest song, illustrated the strategic...Read MoreCite This

Convolutional Neural Networks (CNNs) have performed exemplarily well with image recognition tasks, but their efficiency in image recognition drops tremendously in the event of complex noise. The conventional way to normalize has not done sufficient work in tackling the various noise interference. In order to address this problem, this paper would introduce a CNN robustness...Read MoreCite This

In practical industrial applications, the operating conditions of bearings frequently change, posing significant challenges for reliable fault diagnosis. Traditional machine learning methods, which rely on the assumption of independent and identically distributed samples, often experience a significant decline in diagnostic accuracy under such variable conditions. To address this issue, this paper proposes a bearing fault...Read MoreCite This

The Philippines is experiencing a booming industrial sector, encompassing construction, automotive, manufacturing, petrochemicals, energy production, waste treatment facilities, and more. However, this growth brings forth a critical challenge: the need to prioritize worker safety, environmental preservation, and uninterrupted operations amid the presence and utilization of hazardous gases in production, manufacturing processes, and their by-products. This...Read MoreCite This

Renal cysts are categorized as simple cysts and complex cysts. Simple cysts are harmless and complicated cysts are cancerous and leading to a dangerous situation. The study aims to implement a deep learning-based segmentation that uses the Renal images to segment the cyst, detecting the size of the cyst and assessing the state of cyst...Read MoreCite This

Electrical power systems in university campuses must have a strong infrastructure, engage in proactive maintenance, and implement efficient outage management procedures in order to be reliable. The study covered techniques used to improve the dependability of electrical power systems in university settings, including fault analysis, reliability-centered maintenance, and predictive analytics. Furthermore, minimizing carbon emissions, maximizing...Read MoreCite This

Coral reef assessments were conducted in selected sites in three provinces of the Verde Island Passage (VIP) (Occidental Mindoro, Marinduque, and Quezon) to obtain baseline and continued measurements of coral abundance and biodiversity. A total of six sites were surveyed to measure average hard coral cover (HCC) relative to other benthic components. Generic richness and...Read MoreCite This

In this study, the authors design and implement a real time system as an autonomous robot–camera to capture many targets in the scene. The robot has only one camera, but it is capable of capturing more than one moving object through proper movement. The system uses Gaussian Filtering for motion detection and then performs partitioning...Read MoreCite This

This study addresses the challenge of enhancing civic engagement in higher education institutions by examining the predictive relationships between readiness, motivations, and digital civic engagement of tertiary students. Employing the quantitative, correlational research approach, data collected through survey questionnaires were analyzed using Minitab statistical software. Significant insights came from the 2,205 tertiary students selected through...Read MoreCite This

In recent years, mobile fitness applications have emerged as accessible tools that support physical activity and health behavior change. This study aimed to determine the relationship between exposure to physical fitness mobile applications and the motivation of student-athletes to maintain a healthy lifestyle. A descriptive-correlational research design was employed, involving 86 student-athletes from Batangas State...Read MoreCite This

Environmental factors are essential to effective mushroom cultivation, as controlled moisture, humidity, and temperature directly affect yield, quality, and growth. This study introduces the design and development of an Internet of Things (IoT)-based electronic management system for optimizing mushroom farming environments through real-Time monitoring and automated control. The system continuously monitors temperature, soil moisture, and...Read MoreCite This

Industrialization has a major impact on the ecosystem and the natural water composition particularly in places close to cities andmanufacturing areas. Copper (Cu2+) ion is one of the heavy metals present in the industrial effluent and is considered to be a toxicheavy-metal contaminant accounting to its extreme persistence and bioaccumulation. Current techniques for determining Cu2+ions...Read MoreCite This

Additive manufacturing (AM) demands materials that combine precise printability with reliable thermal and mechanical performance. Polyglycerol (PG)-based macromolecular systems offer exceptional tunability through controlled architecture and chemical modification, enabling their use across both light-based and extrusion AM platforms. Strategic enhancements such as chemical functionalization, network formation, and hybrid reinforcement have expanded their capabilities from biomedical...Read MoreCite This

Fluctuations in photosynthetic characteristics related to chloroplast translocation have been known in the foliose green algae Ulva lactuca var. latissima and var. rigida and U. mutabilis according to photoperiod. In Ulva, the single parietal chloroplast is found along the thallus surface wall and exhibits high photosynthetic activity during the light period; the chloroplast then moves towards the side walls and shows low...Read MoreCite This

This study integrates the Newton-Raphson method within the PHP framework to offer an easy-to-use loan management solution for Micro, Small, and Medium Enterprises (MSMEs) in the Philippines. MSMEs, which are essential to the country’s economy, frequently face financial difficulties such as a lack of specialized instruments and restricted access to loans. This research led to...Read MoreCite This

This study determines the factors influencing the perceived net benefits of the Interventions Monitoring Platform (IMP) of the Department of Agriculture, with a particular focus on the mediating roles of stakeholder trust and satisfaction. Specifically, it examined fertilizer merchants’ perceptions of the quality dimensions of the IMP in terms of information quality, system quality, and...Read MoreCite This

This study determined the organizational resilience of the retail industry in Batangas Province. It examined how the retail sector handles and bounces back from adversities such as natural disasters, economic downturns, and changing consumer preferences. The descriptive method was used to describe the organizational resilience of the retail industry. The survey questionnaires were distributed to...Read MoreCite This

This research was conducted at a private producer in Indonesia involved in the manufacturing of refined sugar commodity products. The company presently operates three factories situated in three cities across three distinct provinces. The objective of this study is to minimize the transportation costs incurred from shipping tonnage sugar from manufacturers to customers’ warehouses. This...Read MoreCite This

Because of the high complexity and the apparent shortcomings of the customary approaches, nonlinear systems modeling in contemporary control engineering becomes a major challenge. Artificial neural networks (ANNs) are a strong nonlinear approximation method that can be used effectively to address this problem, but how to choose the structure of the artificial neural network and...Read MoreCite This

Brown seaweed (Sargassum sp.) is one of the most abundant biomass wastes widely available along the Philippine coast and has potential for alginate production. This alginate is a natural polysaccharide, having potential properties in adsorbing contaminants, such as heavy trace metals, through to its properties. In this study, pure sodium alginate (Na-ALG) was extracted and...Read MoreCite This

Solution concentration and several dip cycles are key factors that determine the thickness and quality of perovskite quantum dot (PQD) films. Dip coating is an effective technique used for depositing solution-processed PQDs in substrates which are common passivation layers in solar cells. The optimum dip-coating parameters for depositing cesium lead halide PQDs on GaAs substrates...Read MoreCite This

Eleusine indica belongs to the Pocaceae family and is abundantly found in many tropical countries. Because of its anti-malarial, ntioxidant, anti-viral, and antidiabetic properties, among many others, studies are being aimed on developing time and costeffective methods that could efficiently extract its active components. This study focused on the optimization of the microwaveassisted extraction (MAE)...Read MoreCite This

This work reports a simple approach to prepare toughened 3D-printed polymethacrylate (PMA) composites using surfactant-modified chitosan (SMCS) particles at loadings between 2–10 wt%. Chitosan (CS) is modified with anionic surfactant, sodium dodecyl sulfate, via ionic complexation to facilitate compatibility and dispersion of CS to PMA matrix by non-covalent interactions between the components. The study successfully...Read MoreCite This

In this study, a metal–organic framework (MOF) adsorbent from recycled polyethylene terephthalate (PET) bottles was developed to effectively remove Eriochrome Black T (EBT) dye present in synthetic wastewater. A sustainable, “greener” route of MOF synthesis was adopted involving microwave-enabled depolymerization of PET to terephthalic acid (TPA) and conversion of the latter to its organic salt...Read MoreCite This

Efficient optimization of polymeric materials in fused filament fabrication 3D printing (FFF 3DP) is crucial for productivity, cost reduction, resource conservation, consistency, and enhanced part performance. This study employed a multiresponse central composite design of experiments (CCD-DOE) with the desirability function algorithm (DFA) to optimize printing settings on polylactic acid (PLA) using a commercial FFF...Read MoreCite This

This paper defines a new class of graphs using the spanning subgraphs of a cycle graph as vertices. This class of graphs is called j-edge intersection graph of cycle graph, denoted by EC(n,j). The vertex set of EC(n,j) is the set of spanning subgraphs of cycle graph with j edges where n≥3 and j is a nonnegative integer such that 1≤j≤n. Moreover, two distinct vertices are...Read MoreCite This

Graphs considered in this paper are simple finite undirected graphs without loops or multiple edges. A simple graphs where each vertex has degree 3 is called cubic graphs. A cubic graphs, that is, 1-connected or cubic bridge graph is traceable if its contains Hamiltonian path otherwise, non-traceable. In this paper, we introduce a new family...Read MoreCite This

In this paper, we find a special type of non-traceable cubic bridge graph called well-formed graph whose central fragment is isomorphic to a hairy cycle and whose branches are pairwise isomorphic. We then show that a well-formed graph can be partition into isomorphic subgraph. Some properties of a well-formed graph such as perfect matching, matching number, decomposition...Read MoreCite This

The Cycle Graph Cy ( G ) of a graph G is the edge intersection graph of all induced cycles of G . In this paper, necessary and sufficient condition on G such that Cy ( G ) is a connected graph, a tree, a bipartite graph is obtained. Non-existence of forbidden subgraph characterization for...Read MoreCite This

The Normalized Difference Vegetation Index (NDVI) is one of the vegetation indices widely used by researchers from different countries for measuring vegetation in inland areas. NDVI measures the greenness of a plant or area by using radiance and reflectivity of light from the sun to calculate the difference between near-infrared (vegetation strongly reflects) and red...Read MoreCite This

This paper aims to simulate performance efficiency of carrier suppressed non return to zero line coding based FSO transceiver systems under light rain conditions with amplification units at 40 Gbps. The max. Q, BER and total optical power are simulated and demonstrated after FSO channel and PIN Photodetector Receiver under light rain weather conditions at maximum reach...Read MoreCite This

The precipitation and deposition of asphaltene are among the most pressing issues in the petroleum industry. This flow assurance issue may cause formation damage in porous media, the plugging and coking of wellbore and production pipelines and difficulties in the refining process. Such events lead to additional operating costs for the company. Therefore, knowing the conditions at which asphaltene may precipitate and...Read MoreCite This

The demand for clean and safe water together with increasingly strict environmental regulations in both developed and developing countries has necessitated the need for a highly efficient yet low-cost water treatment technology to prevent the negative effects of pollutants on the human health and the environment. Nanotechnology holds great potential as a novel and promising...Read MoreCite This

The study clearly outlined the demographic profile of the respondents, their money attitudes, and their level of financial wellness. To address the research objectives, the study employed a descriptive research design. A structured questionnaire served as the primary data collection instrument and was administered to 266 women professionals employed across the Batangas State University System...Read MoreCite This

This paper investigates the filling process of an injection mold for the lower shell plastic part of a mouse. By analyzing the usage requirements of this plastic part and the structural characteristics of the mouse shell, the material for this part is determined to be ABS. Using the basic process parameters for this material as...Read MoreCite This

In this study, stereolithography (SLA) 3D printing was used to prepare toughened composites by facile blending of chemically compatible nanoscale polyhedral oligomeric silsesquioxanes (POSS) to commercial photoreactive resin. Due to the complex nature of 3D printing, the mechanical performance of the final parts cannot be simply determined or even estimated until they are manufactured and...Read MoreCite This

Pest infestation is one of the serious problems of the agricultural sector in crop production and may even pose health hazards to humans. Aphis fabae, normally known as black bean aphid, is one of the main culprits that predominantly damage growing crops particularly beans, celery, and peas and may carry diseases as they multiply. Kakawate...Read MoreCite This

Due to the significant impact of the fault on power systems and the failure of protection devices, power system operators and researchers have given reliability a great deal of consideration. The modern IEC 61850 standard is used recently to improve communication systems in digital substations and allow signals to be shared between the devices. Differential...Read MoreCite This

In the perpetual challenge against infectious diseases, the implementation of effective public health strategies requires a deep understanding of how illnesses work and how they spread, accurate estimation of parameters, and strategic planning for interventions. This paper explores the fundamental principles of the Susceptible – Exposed – Infectious – Recovered (SEIR) model, a widely utilized...Read MoreCite This

Efficient thermal management is essential for modern electronic devices, as excessive heat poses a risk of component damage. Consequently, students utilize numerical techniques to model and understand the thermal characteristics of electronic components and address the critical need for efficient thermal management. Specifically, this paper applied Newton’s law of cooling to analyze and optimize electronic...Read MoreCite This

Given a group G with e as the identity element, the identity graph ΓGhaving the vertex-set G and the edge-set E satisfies two conditions: (i) for every x, y ∈ G where x ≠ y, x and y are adjacent in ΓGif and only if xy = e; (ii) for each x ∈ G, x...Read MoreCite This

This study examined the level of mental toughness among university student-athletes at Batangas State University – The National Engineering University Pablo Borbon and identified key challenges to its development. Employing a descriptive-exploratory research design, both quantitative and qualitative data were gathered from 154 student-athletes representing various team and individual sports. A researcher-developed and expert-validated Mental...Read MoreCite This

This study examines the mediating role of sports emotions in the relationship between implicit beliefs and mental toughness among student-athletes. Implicit beliefs, categorized as incremental (growth mindset) and entity (fixed mindset), influence athletes’ cognitive, emotional, and behavioral responses to competition. Mental toughness, a key psychological trait in athletic success, is shaped by both cognitive and...Read MoreCite This

This study examines the mediating role of organizational agility in the relationship between Enterprise Resource Planning (ERP) system usage and service differentiation among casual restaurants in Makati City. Specifically, it aims to determine the profile of restaurants in terms of the number of years in operation, assess the level of ERP system usage, assess the...Read MoreCite This

Additive manufacturing, or simply 3D printing (3DP), where objects are built through layer-wise material deposition, has gained significant academic and industrial attention as a result of the development of advanced and functional materials requiring rapid, customized, and flexible solutions. In the context of green manufacturing, diversifying environmentally and economically sustainable material portfolios is an essential...Read MoreCite This

Employee engagement stands as a cornerstone for success within the transport and logistics industry. In this study, the researcher investigated the relationship between job resources, meaningful work, and employee engagement among trailer truck drivers in transport and logistics companies in Cavite, Laguna, and Batangas. This study utilized a descriptive correlational method and collected data from...Read MoreCite This

For high-resolution, high-accuracy applications, re-cent DPWM (digital PWM) researches use long DFF arrays, resulting in clock skew that may compromise DPWM performance. This study proposed a DPWM based on a matrix phase shifter and clock gating technique which only selects a specific row of DFFs during operation depending on the required level of Vo. The proposed...Read MoreCite This

A factoriangular number is formed by adding a factorial and a triangular number. If corresponding factorials and triangular numbers are added, the results are n-factoriangular numbers. Other factoriangular numbers are called (n,k)-factoriangular numbers, n(m)-factoriangular numbers, (n(m),k(m))-factoriangular numbers, and (n(a),k(b))-factoriangular numbers. The main objective of this study is to explore the sequence of (n(m),k(m))-factoriangular numbers and...Read MoreCite This

Verde Island Passage is the world’s center of the center of marine shore fish biodiversity, located in southwestern Luzon Island in the Philippines. The passage is named after Verde Island, which is located at its middle. Although the island is located within a key biodiversity area, studies on its marine macrophyte biodiversity are scant. The...Read MoreCite This

This study aims to determine the effect of Quality of Work Life (QWL) on Organizational Commitment (OC) among the employees of a local port company, and to propose inputs to enhance their Human Resource (HR) program. Quantitative research was used to describe QWL and OC. The study utilized complete enumeration and frequency and percentages, Pearson...Read MoreCite This

The study aims to determine the levels of soil parameters such as soil pH, macronutrients, and micronutrients. After determining said parameters, the system appropriately recommends crops and fertilizers suitable for the soil samples. For soil pH and macronutrient levels, i.e., nitrogen, phosphorus, and potassium, these parameters can be detected using the soil test kit. Meanwhile...Read MoreCite This

This study investigates the long-run determinants of road accident mortality in the Philippines, focusing on alcohol consumption, rule of law, and infrastructure development from 2000 to 2022. Using the Autoregressive Distributed Lag (ARDL) approach, results confirm a significant long-run relationship, with alcohol consumption showing a strong positive effect. The error correction model indicates that deviations...Read MoreCite This

Filipino Sign Language (FSL) is a distinctive form of sign language with its own set of pose, gestures, and grammar, which can cause a challenge in terms of identifying it. Earlier researches have identified three categories of sign language recognition methods, these are the gloves-based, vision-based and hybrid. Existing studies are only limited to recognizing...Read MoreCite This

This study examined the association between perceived teacher emotional support (TES) and student engagement in physical education (EPE) among undergraduate students from a state university in the Philippines, where limited prior research exists on this relationship. TES was conceptualized through three components: positive climate (PC), teacher’s sensitivity (TS), and regard for adult perspective (RAP), each...Read MoreCite This

This study conducted a labor market assessment aimed at identifying the alignment between industry skill demands and the available skills within a local urban community. The research sought to improve employment opportunities by analyzing labor market trends and identifying gaps between workforce competencies and job requirements. Utilizing both quantitative data and qualitative insights from focus...Read MoreCite This

The present study is focused on the use of activated carbon derived from water hyacinth (WH-AC) as adsorbent for the removal of Cr(VI) from aqueous solution. The optimized WH-AC was found to be mesoporous and considered as granular. The surface area of 11.564 m2/g was found to have a good adsorption capacity. The adsorption data...Read MoreCite This

Process piping welds are important because the equipment is a key component in energy and chemical processing. The study assesses repair and original welds using tensile tests, microhardness, microscopy, crack tip opening displacement (CTOD) at −29 °C and Charpy at three distinct temperatures, followed by statistical analysis and numerical modelling. Experiment involves the welding of...Read MoreCite This

This work explores the high-temperature, dynamic deformation behavior of AISI 420 stainless steel (420SS) produced through laser powder bed fusion (LPBF). The material exhibits a complex dual-phase microstructure, influencing its dynamic mechanical response. The investigation employs the Split-Hopkinson Pressure Bar (SHPB) technique utilizing strain rates of 1000 s−1 and 1500 s−1, and temperatures ranging from...Read MoreCite This

Construction delays pose significant challenges affecting project timelines, budgets, and quality standards globally. This study focuses on bridging the knowledge between differences of construction between cold storage facility projects among other types of projects and identifying influential factors causing delays in cold storage construction projects in the Philippines. Through a questionnaire survey including 30 critical...Read MoreCite This

Construction delays pose significant challenges affecting project timelines, budgets, and quality standards globally. This study focuses on bridging the knowledge between differences of construction between cold storage facility projects among other types of projects and identifying influential factors causing delays in cold storage construction projects in the Philippines. Through a questionnaire survey including 30 critical...Read MoreCite This

This study investigated the influence of perceived instructor emotional support on academic resilience among 363 first-and second-year university students enrolled in Physical Education (PE) courses at a State University in the Philippines. Using the Teacher Emotional Support (TES) Scale and Academic Resilience Scale (ARS-30), the research focused on three components of emotional support: Positive Climate...Read MoreCite This

Fish feeding in aquaponics presents challenges in accurately estimating and distributing feed, risking the health of both fish and plants due to potential water contamination. To address these issues, our study employs computer vision and deep learning to automate feed dispensing in aquaponics farms, ensuring precise feed quantities. We utilize the Mask R-CNN algorithm to...Read MoreCite This

Monitoring water quality is essential to guaranteeing the well-being and security of human populations as well as ecosystems. This study uses Internet of Things (IoT) devices, and sensors to investigate cutting-edge approaches and technologies for real-time water quality monitoring. It is possible to continuously detect important factors like temperature, TDS, and turbidity by establishing a...Read MoreCite This

This research delved into the symbiotic connection between 5G technology and the Internet of Things (IoT), aiming to explore how the integration of these two cutting-edge technologies could revolutionize various industries. The primary purpose was to assess the impact of 5G on the functionality and efficiency of IoT applications, with a focus on improved connectivity...Read MoreCite This

This study aimed to develop Technological Pedagogical Content Knowledge (TPACK)-based lesson exemplars for 21st Century Literature of the Philippines and the World (21st CLPW) and investigate teachers’ perceived manifestation of their knowledge of content, pedagogy and technology and their extent of utilization of technology tools and strategies in the online teaching of literature. It used...Read MoreCite This

The Philippine government’s effort to transcend agriculture as an industry requires precision agriculture. Remote- and proximal-sensing technologies help to identify what is needed, when, and where it is needed in the farm. This paper proposes the use of vision-based indicators captured using a low-altitude unmanned aerial vehicle (UAV) to estimate weed and pest damages. Coverage...Read MoreCite This

Underwater monitoring technology plays a crucial role in studying aquatic life, particularly in mangrove ecosystems, which are vital to marine biodiversity. Traditional survey techniques for assessing fish diversity and habitat health in rural Philippine mangrove ecosystem rely on manual methods such as traps, netting, hook-and-line fishing, hand-catching, and visual observations. These methods also involve measuring...Read MoreCite This

The tropical red seaweed Halymenia durvillei Bory de Saint Vincent is a potential source of the high-value pigments, r-phycoerythrin (RPE) and r-phycocyanin (RPC). The unique properties of these pigments find many applications—from food to cosmetics, pharmaceuticals, and biomedical research. This study aimed to improve the land-based culture technology of H. durvillei by determining the appropriate...Read MoreCite This

The study assessed the influence of accounting knowledge, management support, and recordkeeping performances on the organizational performance of Ibabao Multi-Purpose Cooperative guided by a framework and instrument made by Hosain (2019) on the study entitled “The Impact of Accounting Information System on Organizational Performance: Evidence from Bangladeshi Small & Medium Enter-prises”. Statistical treatments such as...Read MoreCite This

This study aims to enhance sports rehabilitation practices in the Philippines by evaluating the profiles of injured athletes, assessing the effectiveness of current rehabilitation strategies, and identifying areas for improvement. A total of 305 Filipino student-athletes undergoing rehabilitation from various sports injuries participated in the study through a purposive sampling method. Data were collected using...Read MoreCite This

This research project aims to address the challenges farmers face in drying paddy rice to produce high-quality paddy grain due to a lack of manpower. The study presents an Electronic Stirring Rice Paddy system with SMS Notification and Solar Charging that stirs the rice every thirty minutes until it is dried, with features that notify...Read MoreCite This

The promotion of wellness through dance video tutorials by teacher education students has emerged as an effective and engaging approach to enhancing over all well-being. This study determined the respondents’ extent of exposure in dance video tutorials and how may the respondent’s wellness be assessed relative to mental, environmental, intellectual, social, physical and spiritual. This...Read MoreCite This

This research rigorously assessed and evaluated the MULAT SA AKLAT Reading Program, focusing on its impact, effectiveness, sustainability, and potential for continuous quality improvement. Objectives encompass analyzing participant demographics, baseline knowledge, session-wise progress, participant evaluations, and the adaptability of educational approaches. The program fosters inclusive participation, unveiling varied baseline knowledge and expectations. Positive trajectories in...Read MoreCite This

The Low-Cost Microplastic Filtration System is a device designed to aid in the resolution of the growing problem with microplastics. With an estimated 48 million shopping bags and 164 million sachets used daily (Philippine research uncovers microplastics inside a regularly eaten fish, 2020), the Philippines is one of the most prolific users of single-use plastics...Read MoreCite This

Lighting systems for indoor crop production facilities face consistency, quality of lighting, and energy efficiency challenges. In this work, these challenges were addressed by developing a natural light collection system that allows sunlight to be concentrated and transmitted via optical conduits into the growing areas of an indoor crop production facility and supplementing it with...Read MoreCite This

Several studies have explored the mechanism in increasing sports engagement. However, the underlying dynamics that drive engagement in sports remain a subject of ongoing investigations. This study aimed to delve deeper into the intricate relationship between passion and student athletes’ engagement in sports. A total of 408 student athletes aged from 18-27 years old (Mage=...Read MoreCite This

While the challenges student-athletes face in balancing academics and sports have garnered increasing attention, few studies have explored how factors like hope and grit contribute to this balance and enhance motivation. This study investigated the relationship between hope, grit, and motivation of academic and sports of student-athletes. A total of 247 student-athletes of Mindanao State...Read MoreCite This

Additive manufacturing (AM) has revolutionized manufacturing by offering geometric flexibility in the creation of complex structures. Industries across various sectors have adopted AM for fabricating components, capitalizing on benefits such as reduced weight and enhanced functionality. In critical applications like defense and aerospace, understanding the impact response of AM materials is of great importance. Recent...Read MoreCite This

Recognizing emotions can aid in the interpretation and communication of non-verbal communication. Although deep neural networks perform well in automatically extracting and learning high-level representations of facial features from large amounts of multidimensional data, there is still a need for a face detection model to work fast for real-time applications. This working experiment investigates the...Read MoreCite This

Jackfruit is a fruit native to South and Southeast Asia that is now cultivated all over the world due to its adaptability, as it can be eaten both ripe and unripe. This study was conducted to accurately identify the Jackfruit’s ripeness. Four MQ families have been identified as the most effective for classifying the ripeness...Read MoreCite This

The challenging task of diagnosing gastrointestinal (GI) tracts recently became a popular research topic, where most researchers performed extraordinary feats using numerous deep learning (DL) and computer vision techniques to achieve state-of-the-art (SOTA) diagnostic performance based on accuracy. However, most proposed methods relied on combining complex computational methods and algorithms, causing a significant increase in...Read MoreCite This

Teaching internship plays a crucial role in providing aspiring educators with invaluable real-world classroom exposure, translating theoretical knowledge into practical teaching skills. Hence, this qualitative research study aims to explore the teaching internship experience using metaphors among thirty (30) prospective teachers in one state university in the Philippines, framed within the context of the new...Read MoreCite This

In this paper an FPGA-based radio transceiver that operates on a frequency band from unused TV white space – specifically 512 MHz – 518 MHz – is presented. The investigation was done to introduce an application of TV white space and FPGA hardware in creating a communication system for disaster rescue operations and in hopes...Read MoreCite This

Passiflora edulis leaf extracts were added as an active ingredient for alcohol-based hand sanitizer (ABHS). Matured leaveswere air-dried, powdered, and soaked in methanol (1:10, w/v) for 24 hours. The solvent-free crude extract was used toformulate hand sanitizer utilizing varying amounts of leaf extract (1,3 and 5% w/w). The antimicrobial activities of the leafextracts and the...Read MoreCite This

Functionally graded materials (FGMs) as a new strain of composite materials have special spatially modulated material properties with wide prospects of application in the realms of aerospace, biomedical and other high-tech engineering disciplines. In this experiment, finite element technique (FEM) was used to study how FGMs behave with regards to stress distribution. To model the...Read MoreCite This

Online grammar checker and plagiarism detectors are online tools or software which allows users to correct their works providing a reliable basis of right grammar and avoid plagiarism. This study used a descriptive research method to assess the perspectives of selected university instructors and professors handling research and writing courses on the effectiveness of online...Read MoreCite This

The main objectives of this study are (i) to determine the different emotions, such as happy, anger, neutral, and sad, based on the visual and thermal images for facial expression recognition of healthy individuals; (ii) to train the modified pre-trained models, such as DenseNet-121, ResNet-50, and VGG-19 based on transfer learning technique, using the visual...Read MoreCite This

With the popularization of new energy vehicles, lithium battery systems, as the main components of new energy vehicles, have the characteristics of short life cycles and harmful substances inside. The green treatment of lithium battery systems has become a research hotspot. Disassembly and recycling are essential means of reusing waste in lithium battery systems. Due...Read MoreCite This

Despite growing interest in both fields, research into how positive psychology principles and gamification can be integrated in Computer-Assisted Language Learning (CALL) environments and their impact on language learning outcomes remains insufficiently explored. Thus, this study intends to contribute by implementing a 10-week gamified learning program using the Quizizz application within CALL classrooms at a university in...Read MoreCite This

This brief research report aimed to explore the concept of pedagogical resilience and how teachers in Thailand and the Philippines build resilience in pedagogy during the COVID-19 pandemic. Employing the qualitative research design, the data were obtained from the focus group discussion (FGD) and semi-structured interviews with 12 teachers, 8 of whom were from 1...Read MoreCite This

Offshore jackets are essential structures in the energy sector, including wind farms and oil and gas activities. The experiment involves welding a 72 mm K-bevel S355 KT-40 plate with gas-shielded flux-cored arc welding (FCAW-GS) in a horizontal position. Evaluate welds using microhardness, tensile strength, Charpy impact toughness at −40 °C, crack tip opening displacement (CTOD)...Read MoreCite This

This study assessed the relationship between quality of work life (QWL) and job satisfaction among employees of the Bank in Lipa City. Using a descriptive–correlational design, data were collected from 139 employees selected through stratified proportional random sampling across five BPI branches. Standardized instruments, including Walton’s QWL model and the Job Descriptive Index (JDI), were...Read MoreCite This

International reports warn us about our growing reliance on petroleum, driving up the demand for fossil fuels to unsustainable levels in order to meet global energy needs. The core work of this study is to modify an existing biodiesel prototype through aeration and condensation. Initiatives had been made on the development of technologies for sourcing...Read MoreCite This

This study aims to evaluate the sufficiency of visual cues in English modules and examine the adaptation practices of public junior high school teachers in utilizing these modules. Employing a descriptive-correlational research design, the study analyzed the relationship between the sufficiency of visual cues and the extent of teachers’ adaptation practices. Data were collected using...Read MoreCite This

This research investigates heavy rainfall dynamics in Batangas City, employing the trapezoidal rule and quadratic regression for cumulative rainfall estimation and curve fitting. Utilizing multi-year datasets sourced from the Weather and Climate website, the study not only addresses immediate impacts but also discerns long-term trends, contributing vital insights into potential indicators of climate change. The...Read MoreCite This

This study developed a teaching and learning material (TLM) in chemistry entitled eS2MART TLM with integrated augmented reality (AR) technology and assessed its effect on students’ learning gains in terms of spatial skills and students’ learning experience on the use of augmented reality as a tool in understanding atomic theory, chemical bonding and molecular structure...Read MoreCite This

Natural rubber (NR), valued for its high toughness and elongation, was incorporated into digital light processing (DLP) 3D printing resins to enhance mechanical performance using epoxidised Philippine NR (EPNR), optimised by statistical and machine learning methods. EPNR blends (0–10%) with cationic photo-initiator (CPI) and photo-curable commercial resin (PCR) were formulated using a solvent blending technique...Read MoreCite This

The study aims to identify whether there is a relationship between an entrepreneur’s capability and the entrepreneurial ecosystem to develop a good strategy that would help an entrepreneur with decision-making. This would be beneficial to for them to realize the requirement to become successful entrepreneurs and for Batangas Province to realize the perfect environment for...Read MoreCite This

This study evaluates the usability of an appliance shopping app in the Philippines using the System Usability Scale (SUS) and satisfaction ratings based on various usability metrics, including task time, success rate, error rate, and end-of-task satisfaction. The research aims to identify any significant differences in usability and satisfaction based on demographic factors such as...Read MoreCite This

MOSFET-based DC converters have gained a prevalent status due to their efficient operation and their suitability for a vast array of electronic systems. However, despite the already reliable functions they offer, there is a need to further enhance their adaptability and efficiency across a wider range of load conditions to cater to much broader uses...Read MoreCite This

This study evaluates the investment environment and tourism potential of CALABARZON, a rapidly developing region in the Philippines. With its growing popularity as a tourist destination, the research examines how investment conditions enhance the region’s appeal. It focuses-es on the connection between investment opportunities and tourism growth, particularly how strategic investments can promote sustainable economic...Read MoreCite This

In this work, we empirically evaluated the efficiency of the recent EfficientNetB0 model to identify and diagnose malaria parasite infections in blood smears. The dataset used was collected and classified by relevant experts from the Lister Hill National Centre for Biomedical Communications (LHNCBC). We prepared our samples with minimal image transformations as opposed to others...Read MoreCite This

This research investigates the emotional tolls of teacher education students in the context of physical education at Batangas State University, TNEU JPLPC-Malvar. The study aims to discern the emotional landscape by examining the influence of various factors such as sex, year level, academic performance, and socioeconomic status on the subjective, physiological, and behavioral dimensions of...Read MoreCite This

The increasing diversity in schools requires in-depth understanding of pedagogical approaches to teach diverse populations. This requirement demands Teacher Education Institutions to develop among pre-service teachers positive attitude towards inclusion and prepare and train them to deliver inclusive practices in a mainstream classroom. This study investigated the attitude towards inclusive education, perceived level of readiness...Read MoreCite This

Chitosan, a natural linear biopolyaminosaccharide, is a non-toxic and environmentally friendly coagulant derived through the deacetylation of chitin, a major component of Tahong (Perna viridis) shells. This study evaluates the efficacy of chitosan in modifying the physicochemical properties of treated swine biogas digester effluent under varying chitosan dosages (8 g/L and 10 g/L) and agitation...Read MoreCite This

Symbiodiniaceae are crucial dinoflagellate symbionts for corals. They are affected by climate change-induced temperature rises that lead to coral bleaching, impacting coral reefs’ health. Cryopreservation offers a solution to ensuring long-term storage of this species, preserving genetic diversity and viability. However, cryoinjury’s impacts on glycan, a class of biomolecules with diverse biological roles including the...Read MoreCite This

Seaweeds are vital to the marine ecosystem as primary producers and it serves as a widely consumed food source for humans. Some species of these marine resources are mainly mass cultivated due to the increased demand for raw materials and derived products. In the Philippines, studies on seaweed community ecology, reproductive biology, and growth began...Read MoreCite This

This study explores the integration of biodiversity conservation into sustainable tourism through an economic valuation of a coastal pilgrimage destination — Monte Maria International Pilgrimage Center. Combining the Contingent Valuation Method (CVM) and Travel Cost Method (TCM), the research assesses tourists’ willingness to pay (WTP) for conservation efforts and estimates the economic value of the...Read MoreCite This

Dysarthria, a neurological condition impairing speech, has garnered significant research interest in Deep Learning (DL). Curent studies underscore DL’s potential in automating dysarthria diagnosis and severity classification, utilizing well-known benchmark datasets like TORGO and UA-Speech. However, existing DL for dysarthria diagnosis, like Deep Neural Networks, are often computationally expensive, complex, and lack context awareness. This...Read MoreCite This

The acceptability of food is significantly increased by the addition of herbs, spices, and medicinal plants. These biomaterials improve the shelf-life of food, delay its oxidation, and impart health-promoting properties as natural therapies. The physical and chemical properties of aromatic and medicinal plants are determined by their moisture content since water is the most significant...Read MoreCite This

This study examined the roles of grit and curiosity in predicting academic engagement among physical education students at a selected state university. Using quantitative methods with a sample of undergraduates enrolled in Physical Activity Toward Health and Fitness courses, it assessed the influence of these psychological traits on academic engagement. The results showed that grit...Read MoreCite This

This study investigates the impact of financial attitudes and behaviors among PAF personnel to identify the root causes of persistent financial challenges. Using a descriptive correlational design, the study gathered data through a researcher-developed survey that assessed financial behavior, attitudes, and actual and perceived financial knowledge. A stratified random sample of 248 officers and enlisted...Read MoreCite This

Invasive alien plant species (IAPS) pose one of the most significant threats to native biodiversity. Swietenia macrophylla, or big leaf mahogany, is among the most threatening invasive plants in the Philippines. This article aimed to formally document the presence of S. macrophylla along the edges of Mt. Banahaw de Nagcarlan, a protected area on Luzon Island, Philippines. The...Read MoreCite This

This study explores the dual role of grit, physical and academic grit in influencing academic engagement among student combat sports athletes. While previous research emphasizes grit within either academic or athletic domains, few studies have examined how these two dimensions interact to affect educational outcomes. The primary aim of this study was to examine the...Read MoreCite This

Remote work has been an integral part of business strategies across the globe since the onset of the COVID-19 pandemic. Though business operations and work functions have returned to their usual modes, remote access to business intelligence remains a crucial part of business operations, particularly in the manufacturing sector, allowing top executives and key decision...Read MoreCite This

This study compared the effects of energy drink and chocolate pre-workout intake on cardiovascular endurance, blood pressure, heart rate, and recovery in 42 collegiate athletes. Participants were divided into the Energy Drink Group (EDG) and Chocolate Group (CG) and underwent Beep Tests to evaluate cardiovascular endurance. Results revealed sex-specific responses: females in the EDG significantly...Read MoreCite This

Bopyrid isopods and rhizocephalan barnacles are obligate parasite crustaceans which harm their decapod hosts. However, to the best of our knowledge, studies have not compared which of these parasites has a greater parasitic effect on its hosts. Here, the parasitic effect of the bopyrid isopod, Allokepon hendersoni, and an unidentified sacculinid rhizocephalan species, infesting the...Read MoreCite This

In this work, a proposed Multi-Fused Residual Convolutional Neural Network (MFuRe-CNN) with Auxiliary Fusing Layers (AuxFL), a Fusion Residual Block (FuRB) both with Alpha Dropouts (αDO) diagnosed various endoscopic images of gastrointestinal (GI) conditions or diseases. The proposed MFuRe-CNN handled four cases, including colons with ulcerative colitis, polyps, esophagitis, and a healthy colon, sourced from...Read MoreCite This

Due to the unforeseen turn of events, our world has undergone another global pandemic from a highly contagious novel coronavirus named COVID-19. The novel virus inflames the lungs similarly to Pneumonia, making it challenging to diagnose. Currently, the common standard to diagnose the virus’s presence from an individual is using a molecular real-time Reverse-Transcription Polymerase...Read MoreCite This

The role of technology in the delivery of education in this time of pandemic help teachers in the delivery of lessons and student learning. This study examined the competence on online technological pedagogical content knowledge (TPACK) of a sample of faculty members and their online teaching attitude and ability and develop a professional development framework...Read MoreCite This

ChatGPT has gained popularity among Philippine educational institutions due to its versatility and usefulness in academic activities. However, educators have raised concerns about the ethical issues, academic dishonesty, and technology dependence associated with its use. This study aimed to develop and validate an instrument called KAP-CQ39 that assesses the knowledge, attitudes, and practices of preservice...Read MoreCite This

Energy plays an important role globally. Industrial growth, coupled with high system losses, has resulted in a major demand-supply imbalance resulting in an energy shortage with a devastating effect on the economies of countries. The pollution brought by the combusting energy source and the price-increasing-motion of fuel tends people to explore and use greener and...Read MoreCite This

Remote learning has increased, especially in engineering courses that require digital platforms, due to the COVID-19 pandemic. However, the current curriculum doesn’t emphasize telecommunications, making LTE principles difficult for students to understand. To address this issue, researchers developed a 4G LTE learning system using MATLAB LTE Toolbox. MATLAB’s Live Scripts, Scripts, and App Designer implement...Read MoreCite This

The integration of artificial intelligence (AI) into engineering and technology education offers new possibilities for enhancing student learning and feedback delivery. In machining, where accuracy and logic are essential, AI can serve as a powerful support tool. This paper presents the NC Programming Assistant, an application that combines rule-based logic and generative AI to help...Read MoreCite This

In smart agriculture, the detection of the level of soil nitrogen is essential in soil fertility and productivity that correlates to crop yields and fertilizer recommendations. With the advancement of technology, identification of such level is easily obtained using devices that capture images, which are affected by two factors, i.e., the tilting angle of the...Read MoreCite This

To understand the smoking behaviour recognition technology of YOLOv8, a smoking behaviour detection method based on human key points and YOLOv8 is proposed. Based on using deep learning for target detection of cigarette butts, human keypoint detection is added to determine whether smoking actions occur by calculating distance, angle, and period. This method first uses...Read MoreCite This

This study aims to develop a patient-specific hip implant for osteoarthritis conditions and to compare with intact and conventional implant. The femoral bone with head and shaft region was segmented from the pelvic griddle and converted into 3D model. The parameters such as femoral ball diameter, shaft length, acetabular cup diameter, and neck angle were...Read MoreCite This

This paper presents a design of intelligent belt protection based on elastic adaptive extension and compound physiotherapy. The belt includes a belt body and a symmetrically arranged polyester fiber cloth connecting belt, and the connecting belt is arranged on one side of the belt body. One side of the connecting belt is connected with a...Read MoreCite This

This paper presents a design of an exoskeleton robot to aid in lower-body rehabilitation of patients who have trouble with walking. The robot is intended for people who suffered from spinal cord injuries, brain trauma, cerebral palsy, Parkinson’s disease, and stroke. Specifically, a robot for rehabilitation can aid therapists and patients by letting the robot...Read MoreCite This

A control system architecture design for an underwater ROV, primarily Class I – Pure Observation underwater ROV is presented in this paper. A non-linear plant model was designed using SolidWorks 3D modeling tool and is imported to MATLAB as a 3D model. The non-linear modeled plant is linearized using the MATLAB linear analysis toolbox to...Read MoreCite This

In this paper, an automated machine used for grass planting was proposed. Double-layer structure is employed in this machine, which includes a storage unit, a separated screw conveyor unit, a belt-driven unit, a crawler-driven unit and WiFi communication unit. This machine has higher efficiency attributed to the optimized control program of desert wind and sand...Read MoreCite This

Aiming at the problem that New Energy Vehicles (NEV) charging piles are illegally occupied, this paper puts forward a design and development scheme of anti-occupation system based on deep learning. Firstly, a comprehensive system architecture is designed, including license plate recognition module and occupancy judgment module, in order to realize the recognition and state monitoring...Read MoreCite This

Providing universities with high technology-enabled automation tools to support the administrative decision-making processes will enable them to achieve their objectives. For an institution to succeed in its everyday tasks, it should come up with the emerging and modernized management services constituted, among others, by cloud, mobile, and business analytics technology. With this, the institution’s operations...Read MoreCite This

Accurate vehicle speed estimation is critical for efficient traffic management and safety, particularly in areas with complex traffic patterns such as bidirectional lanes. This study proposes a deep learning-based system utilizing the YOLOv8 model to estimate vehicle speeds in bidirectional traffic. By leveraging existing camera infrastructure and advanced image processing techniques, the proposed system focuses...Read MoreCite This

Educators have the responsibility of assessing their students’ metacognitive knowledge and identifying students who may need support in developing effective metacognitive skills and providing them with necessary learning intervention. This study assessed the customs administration students’ metacognitive knowledge and its usage in their internships. The dimensions, declarative knowledge, procedural knowledge and conditional knowledge were correlated...Read MoreCite This

The construction industry continues to be one of the primary drivers of a country’s economic progress. As of 2022, the Philippines’ construction sector had an annual growth rate of 9.2% and continues to increase due to the Build! Build! Build! (BBB) program. However, the construction sector is globally known for regularly consuming more raw materials...Read MoreCite This

In this study, silica (Si) nanoparticles derived from rice husk ash is coated with cetyltrimethylammonium bromide (CTAB), a cationic surfactant, and used as adsorbent of nitrate ion in wastewater. CTAB functionalized Si (CTAB-Si) nanoparticles were characterized using scanning electron microscope (SEM), energy dispersive X-Ray (EDX), dynamic light scattering (DLS) Fourier transform infrared spectroscopy (FTIR) and...Read MoreCite This

Combining the Finite Element Method (FEM) and Boundary Element Method (BEM) opened a wide array of solutions for ordinary and partial differential equations deemed helpful for engineers and scientists. These methods were applied in various branches of sciences and engineering, especially in computational electromagnetics. This study used computational software to illustrate the coupled FEM-BEM solution...Read MoreCite This

In the published article, there was an error in the Funding statement. It needed to include the same content as provided in the acknowledgment section. The correct Funding statement appears below. © © 2025 Maity, Raja Sankari, Snekhalatha, Velu, Alahmadi, Alhababi and Alkahtani...Read MoreCite This

In this study, we evaluate the adsorption efficiency of Philippine natural zeolite/polylactic acid (PNZ/PLA) composite beads for copper removal in fixed-bed columns. The beads were synthesized via alginate cross-linking and characterized for structural, thermal, and adsorption properties. Fourier-transform infrared (FTIR) spectroscopy confirmed polymer–zeolite interactions and Cu2+ coordination, whereas thermogravimetric analysis (TGA) and X-ray diffraction (XRD)...Read MoreCite This

This study used carbon rods from spent zinc-carbon batteries as a source of exfoliated graphite (EG) to produce conductive filament composites for fused deposition modeling 3D printing. The EG filler was prepared through microwave irradiation, while the resulting 3D printable electroconductive EG composites were prepared using polylactic acid (PLA) and polyethylene glycol (PEG) as the...Read MoreCite This

For a reaction network with species set S, a log-parametrized (LP) set is a non-empty set of the form E(P,x∗)={x∈RS>∣logx−logx∗∈P⊥} where P (called the LP set’s flux subspace) is a subspace of RS, x∗ (called the LP set’s reference point) is a given element of RS>, and P⊥ (called the LP set’s parameter subspace) is...Read MoreCite This

Alkali precipitation and electrodeposition for copper removal in artisanal gold smelting wastewater were evaluated. Alkali precipitation was done by dosing the wastewater with sodium hydroxide solution. Electrodeposition was conducted at operating current of 4 A for 3 and 6 h. Alkali treatment exhibited 99.83% removal efficiency, albeit residual copper concentration was still above effluent standards...Read MoreCite This

Diabetes is caused by high levels from blood glucose and it is characterized as a chronic disease, and also will disrupt fat and protein absorption. The levels rise from blood glucose because it cannot be burned in the cells from the pancreas because of the deficiency of insulin secretion or the insulin produce by the...Read MoreCite This

Mangrove forests are a complex assemblage of flora that plays significant roles in the sustainability of human and environmental well-being for numerous reasons. However, a lot of mangrove forests have been converted for other purposes and uses in the past years. Limited knowledge about unsustainable aquaculture, coastal infrastructure, urban development, pollution, and overexploitation of mangrove...Read MoreCite This

This study investigates the determinants of community preparedness for volcanic eruptions in Batangas using an integrated Structural Equation Modelling (SEM) framework. Employing a mixed-methods design, the research combined a structured survey and focus group discussions to assess the roles of hazard knowledge, media reliance, risk perception, subjective norm, attitude, and perceived behavioral control among residents...Read MoreCite This

This quantitative investigation involved 1,054 pre-service teacher respondents with mean age = 20.21 (SD=3.124). This cross-sectional study gathered data through the creation of four research tools validated and pilot tested. Moreover, three of the research tools (AChavQ, AFilQ, AEngQ) were determined to be of ‘excellent’ reliability, while one is of ‘acceptable’ reliability (CogMT). The study...Read MoreCite This

Rust is a severe disease affecting many productive coffee regions. It is caused by a pathogenic fungi that attacks the underside of coffee leaves and it is characterized by the presence of yellow-orange and powdery points. If not treated, rust can cause a drop in coffee production of up to 45%. In this sense, this...Read MoreCite This

Agriculture is one of the most important sectors of any country, especially the Philippines. Pechay is the sixth-ranking crop for agricultural production in Batangas, according to the Philippine Statistics Authority (PSA). However, pechay is constantly threatened by different pests, such as the occurrence of cutworm (Spodoptera litura), which primarily feeds on its leaves, stalks, and...Read MoreCite This

The photosynthesis and growth of the commercially important and edible green seaweed, Monostroma latissimum (Ulvophyceae), from a naturally occurring population in the intertidal area were examined in the laboratory. The natural population inhabits the middle to upper intertidal area and is usually attached to rocks. Cultivation occurs mostly in the shallow and calm waters under...Read MoreCite This

In this paper, a career track recommender system was proposed using Deep Neural Network model. This study aims to assist guidance counselors in guiding their students in the selection of a suitable career track. It is because a lot of Junior High school students experienced track uncertainty and there are instances of shifting to another...Read MoreCite This

This research paper aimed to determine the crop bearing capability of bitter melon or bitter gourd more commonly called “Ampalaya” in the Filipino language. Images of bitter melon leaves were gathered from Ampalaya farms and these were used as main data of the research. The leaves were classified as good and bad through their description...Read MoreCite This

Papaya, Nasugbu is situated in Batangas and is located at the entrance of the Verde Island Passage (VIP), a marine corridor with high biodiversity. This study aimed to obtain baseline information on substrate cover and biodiversity of three Marine Protected Areas (MPAs) in Papaya, Nasugbu and store the information in a database and publicly accessible...Read MoreCite This

Drones, or Unmanned Aerial Vehicles (UAVs), are already being utilized to help people in need worldwide. In this report, the authors designed an unmanned vehicle composed of a flight mechanism & power supply, frame, and different payloads for different missions. These also include the design of different landing gears that are mechanically replaceable depending on...Read MoreCite This

Identifying lethal vector and non-vector mosquitoes can become difficult for a layperson and sometimes even for experts, considering their visual similarities. Recently, deep learning (DL) became a solution to assist in differentiating the two mosquito types to reduce infections and enhance actions against them. However, the existing methods employed to develop a DL model for...Read MoreCite This

The main objective of the study is to evaluate the impact of deep learning-based segmentation of the hippocampus and ventricle regions in enhancing the early detection of AD compared with fMRI functional connectivity analysis. Particularly, the study emphasizes on (i) identifying the early AD by analyzing the functional connectivity in the ventricle and hippocampus regions...Read MoreCite This

Due to the struggles of developing countries in coping with widespread coffee leaf diseases and infestations, the quality and quantity of coffee-based commodities have reduced significantly. This paper proposes a solution to this problem using Deep Convolutional Neural Networks (DCNN) that classifies seven coffee leaf conditions. Unlike other studies, this work proposed a novel Triple-DCNN...Read MoreCite This

Diagnosing Intracranial Hemorrhage (ICH) at an early stage is difficult since it affects the blood vessels in the brain, often resulting in death. We propose an ensemble of Convolutional Neural Networks (CNNs) combining Squeeze and Excitation–based Residual Networks with the next dimension (SE-ResNeXT) and Long Short-Term Memory (LSTM) Networks in order to address this issue...Read MoreCite This

This study explores the contemporary shift away from traditional farming practices in various region, including urbanized countries like the Philippines, leading to an increased reliance on imported food. The focus of this research is AUTOGROW, an innovative plant box designed to address space constraints in urban environments. Serving as an indoor garden, AUTOGROW utilizes advanced...Read MoreCite This

This study developed a Teaching and Learning Material (TLM) with Augmented Reality (AR) to enhance the students’ metacognitive knowledge, namely declarative, procedural, and conditional knowledge in General Chemistry. The developed TLM has three components: the printed learning material that contains the AR trackers; a database of tactile 3D objects and animations that served as metacognitive...Read MoreCite This

The main problem in achieving learning outcomes in physical subjects at the primary school level is very complex. This study aimed to investigate the relationship between physical fitness, body fat, BMI, and physical activity levels with physical education learning outcome in elementary school students. A cross-sectional study was conducted to answer the research questions. This...Read MoreCite This

This study aimed to assess the asset management practices of construction companies registered under the Philippine Construction Accreditation Board (PCAB) in Batangas Province. The assessment focused on four key stages: business case, create or acquire, operate and maintain, and dispose of or replace. Company profiles were considered in terms of business ownership, classification, number of...Read MoreCite This

To bring about a significant change in the SWM situation in the Philippines, the Ecological Solid Waste Management Act of 2000 (RA 9003) was enacted to provide local government units with frameworks that would help them solve the looming garbage problem in the country. Despite the presence of the decree, managing wastes remains a problem...Read MoreCite This

As the power of Learning Management System (LMS) in supporting classroom instruction has been observed in Higher Education Institutions (HEIs), only a few have been documented in military environment using this kind of learning technology. This paper is the first attempt to investigate the satisfaction of air force officers on the use of Squadron Officer...Read MoreCite This

As regionalism has become a prime interest within the Asia Pacific, participating member states of the Association of Southeast Asian Nations (ASEAN) aspire to consolidate unity despite cultural diversity through forging an ASEAN identity. Institutions of higher learning are expected to explore educational innovations and curriculum reforms to facilitate the regional identity formation. Hence, this...Read MoreCite This

The motors industry has encountered prolonged processing times, leading to inefficiencies and quality issues in the production of their products. This extended processing duration has become a significant factor contributing to decreased productivity and various challenges related to product quality. To address these issues, the researcher used a Lean Manufacturing strategy to improve quality and...Read MoreCite This

This study investigates the application of PID algorithm-based temperature control systems in pig house environmental management and its impact on agricultural production efficiency. Through field experiments conducted at Dongshun Aquaculture Ecological Development Co., Ltd. in Nanping City, Fujian Province, we evaluated the system’s effectiveness in energy efficiency, production performance, and animal health. Results show that...Read MoreCite This

The 2022 PISA scores highlighted a significant concern in the Philippine education system, showing Filipino students ranking sixth lowest in STEM competencies among 81 participating countries. This study probes into the STEM abilities of high school students from the Bicol Region to determine if the national findings are indicative of regional educational challenges. By implementing...Read MoreCite This

Conservation of biodiversity is critical for the coexistence of humans and the sustenance of other living organisms within the ecosystem. Identification and prioritization of specific regions to be conserved are impossible without proper information about the sites. Advanced monitoring agencies like the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) had accredited that the...Read MoreCite This

This investigation demonstrates an on-chip temperature sensor with a maximum linear error less than 0.4% and 0.5 °C resolution. The design comprises Current-to-Frequency Converters (CFC), complementary (CTAT), and proportional (PTAT) to absolute temperature current generator circuits. Most important of all, the proposed sensor is featured with the ratio of these two currents to enhance the...Read MoreCite This

This research study proposes an Intelligent Parking Lot Management System (IPLMS) utilizing real-time license plate recognition technology to address parking management challenges arising from rapid urbanization and increased vehicle ownership. The system enhances the four-stage license plate recognition process (preprocessing, positioning, character segmentation, and character recognition) with variable precision recognition, recognition result voting, and idle/active...Read MoreCite This

Diabetic retinopathy is a serious complication needing prompt diagnosis and medication to avert vision loss. Lesions caused by the condition are difficult to track because they are hidden behind the eye’s structure in small and subtle forms. To extract relevant features., we created a robust pipeline using multiple preprocessing techniques., image segmentation architecture (DR-UNet) with...Read MoreCite This

Pre-engineering education serves as a critical foundation for cultivating the next generation of engineers. In the Philippines, however, a pronounced gap exists between the technical competencies of high school graduates and the expectations for success in collegiate engineering. This misalignment often leaves many prospective engineers unprepared to meet the academic demands of engineering programs. Furthermore...Read MoreCite This

Tourism is one of the most prominent and rapidly expanding sectors that contribute significantly to the growth of a country’s economy. However, the tourism industry has been most adversely affected during the coronavirus pandemic. Thus, a reliable and accurate time series prediction of tourist arrivals is necessary in making decisions and strategies to develop the...Read MoreCite This

This paper presents the simulation of energy harvesting systems, focusing on the integration of renewable energy sources like wind turbines and solar panels to generate electrical power. The simulation encompasses various components and subsystems, including turbine blades made of glass fiber- reinforced polymer (GFRP), a 10-stage voltage multiplier for voltage boosting, a permanent magnet generator...Read MoreCite This

The educational system today is anchored with serious challenges. The administration, together with the teachers, has a focal factor on the constant changes happening in the educational setting. To address the needs of the teachers to grow personally and professionally, administrative support is one of the vital factors that have given emphasizes. The purpose of...Read MoreCite This

The onset of the COVID-19 pandemic showed how food supply could become unstable when lockdowns and curfews hamper transportation and delivery logistics. Difficulties arose in producing and selling agricultural products (e.g., vegetables, fruits, meats, and others). Supermarkets had limited or no stock of food supplies. In other cases, deliveries were postponed or canceled due to...Read MoreCite This

Language acquisition takes a long process as it requires initiatives upon having set good attitudes and positive learning behavior. It is said that learning the language particularly English would not be automatic or innate, even born native speakers should have to learn the basic rules through varied skills and strategies to be communicative competent. This...Read MoreCite This

Interactive Whiteboard (IWB) Systems are increasingly being used to replace traditional whiteboards in educational activities, making them more efficient and interesting for both teachers and students. However, no studies have been conducted to investigate how age, educational level, and employment status can impact the adoption and usage of IWB systems in the educational setting. The...Read MoreCite This

Highlights: What are the main findings? First closed-loop model mapping bidirectional secretome–mechanotransduction feedback in airways, where mechanical cues trigger cytokine release and vice versa through YAP/TAZ signalling. A novel cellular specialization framework defining epithelial cells as environmental activators, smooth muscle as mechanical actuators, and chondrocytes as calcium-dependent regulators in airway homeostasis. What is the implication...Read MoreCite This

Due to the demand for IoT technologies, the concept of CPS was explored in this paper. CPS refers to the coordination and communication of physical processes and computing elements connecting the physical and digital worlds. With the increasing number of smart buildings, the researchers considered the automation control of various facilities in a smart building...Read MoreCite This

Fuel cells, particularly in high-voltage applications, benefit from DC-DC converters that deliver higher output voltage and lower input current ripple to enhance efficiency, prolong lifespan, and improve reliability. This investigation presents a quasi-Z source DC-DC voltage regulator with a new voltage doubling unit. The voltage regulator implements a new current-controlled source (CCS) voltage doubling structure...Read MoreCite This

DNN (deep neural network) and CNN (convolution neural network) have been widely used in real-time artificial intelligent (AI) applications, particularly image or video recognitions, because they have been proved physically in many occasions. However, most prior AI hardware works either suffered from high on-silicon area cost or low usage thereof. This investigation presents a power...Read MoreCite This

The configuration of the active gate driver (AGD) significantly impacts how well power semiconductor devices work and how efficient they are. This research presents a new AGD single chip design that identifies the Miller plateau when the signal is turning on and off by utilizing a two-level Miller detector precisely. Moreover, it includes a power...Read MoreCite This

This paper presents a new mathematical feedback model to demonstrate how direct observations of the epidemiological compartments of population could be mapped to inputs, such that the social spread of the disease is asymptotically subdued. Details of the stabilization and robustness are included. This is a pivotal restructuring of modelling the control of corona virus...Read MoreCite This

The study described a mentoring program of a state-funded research and its effects on research and reflective practices to graduate students. Participatory Action Research (PAR), designed as a methodical and program framework, engaged nine mentors (researchers of a state-funded research) and 29 graduate students (purposively invited) to training-based mentoring (workshops and field work), small group...Read MoreCite This

Depression is one of the most common mental health disorderswith over 264 million people suffering from it. Improvement in screening depressive disorders can lead to earlier treatment. However, some of the depression screening tools today have constraints and could be difficult to administer due to a lack of cooperation between patient and professional. It is...Read MoreCite This

Graphs considered in this paper are  finite simple undirected graphs. Let G = (V(G), E(G)) be a graph with E(G) = {e1, e2,…, em}, for some positive integer m. The edge space of G, denoted by ℰ(G), is a vector space over the  field ℤ2. The elements of ℰ(G) are all the  subsets of E(G). Vector addition is defined as X+Y = X ∆ Y, the symmetric difference of sets X and Y...Read MoreCite This

A negative voltage generator was developed that can be used in the drivers of smart window films (SWF), which have typical operating voltages of ±8 to ±10 V. It consists of four Negative Charge Pump (NCP) stages and a 4-phase non-overlapping Clock Generator (CG), where the 4 NCP stages are configurable by external digital signals...Read MoreCite This

Current remote sensing technologies employing Unmanned Aerial Vehicles (UAVs) for farm monitoring have shown promise in characterizing the environment through diverse sensor systems, including hyperspectral cameras, LiDAR, thermal cameras, and RGB sensors. However, these solutions often specialize in either activity recognition or crop monitoring, but not both. To address this limitation and enhance efficacy, we...Read MoreCite This

Aquaponic systems are popular as sustainable food production methods, however it also experiences challenges in terms of monitoring the nutrient levels, specifically nitrate sufficiency. In this study a new method is proposed to monitor the nitrate sufficiency in aquaponic systems using leaf color recognition. To do this, a state-of-the-art deep learning algorithm is utilized, the...Read MoreCite This

The cloud-fog computing infrastructure flexibly deploys resources in the Industrial Internet of Things (IIoT), adjusting the computing and storage capabilities of cloud and fog nodes based on specific needs to optimize costs and performance. However, the frequent transmission and sharing of data between terminal entities and the cloud-fog infrastructure can easily lead to privacy leaks...Read MoreCite This

This paper proposes transfer learning and fine-tuning techniques for a deep learning model to detect three distinct brain tumors from Magnetic Resonance Imaging (MRI) scans. In this work, the recent YOLOv4 model trained using a collection of 3064 T1-weighted Contrast-Enhanced (CE)-MRI scans that were pre-processed and labeled for the task. This work trained with the...Read MoreCite This

One important question that interests those who work in chemical reaction network theory (CRNT) is this: Does the system obtained from a reaction network admit a positive equilibrium and if it does, can there be more than one within a stoichiometric class? The higher deficiency algorithm (HDA) of Ji and Feinberg provided a method of...Read MoreCite This

This study relates to the assessment of an ICT network infrastructure of a large university. The study seeks to identify weaknesses, improve performance, enhance security, and ensure the infrastructure aligns with current and future needs. Included in the study areas were the inventory and documentation of the major components of the ICT system, performance evaluation...Read MoreCite This

Breast cancer is the second most common cancer and has the second-highest mortality rate in women among all cancer types. Accurate cancer diagnosis plays a great part in breast cancer treatment. The application of machine learning methods in cancer classification has grown popular and has provided an accurate classification of malignant (cancerous) and benign (non-cancerous)...Read MoreCite This

Coffee plays a cultural part in the lives of people. Eight out of ten adults in the Philippines drink an average of 2.5 cups of coffee per day, and nine out of ten households have coffee in their pantries. In 2021, it is reported that coffee will be an approximately PHP 3.0 billion (USD 5...Read MoreCite This

This paper presents a highly-efficient dual-mode HV (high voltage) buck converter which operates at both light and heavy load currents. For the conversion efficiency to be improved at two different load conditions, the dual-mode design composed of pulse width modulation (PWM) and pulse frequency modulation (PFM) was implemented using TSMC 0.5-µm HV CMOS process. The...Read MoreCite This

Physical unclonable functions (PUFs) are increasingly recognized as a key technology for enhancing hardware and the Internet of Things (IoT) security. The IoT devices are often plagued by weak security measures, making them susceptible to various external threats. To address these vulnerabilities, robust and reliable security solutions are critical. This study introduces a highly reliable...Read MoreCite This

This paper presents a 2 × VDD mixed-voltage digital output buffer where its slew rate (SR) is automatically adjusted based on PVT (process, voltage, and temperature) detection. The developed buffer is the first to be fabricated using TSMC 16-nm CMOS Logic FinFET Compact (Shrink) LL ELK Cu 1P13 M process. Since slew rate is one...Read MoreCite This

This brief introduces a 1-kb SRAM design that operates at low power utilizing asymmetrical Schmitt-trigger based SRAM cells. By adopting an asymmetrical design, the SRAM cell performance in terms of hold, access, and write capabilities were enhanced. A power reduction and speed compensation circuit is presented in the design. The SRAM is implemented and fabricated...Read MoreCite This

This investigation demonstrates a 10-bit SAR-ADC with low power dissipation per conversion step at 50 MS/s sampling rate. The proposed ADC is featured with the split-capacitance array by using unity-gain amplifiers and designed for fibre optic gyroscope (FOG) systems. The buffers based on the unity-gain amplifiers replace the bridge capacitors of the split-capacitance array in...Read MoreCite This

This investigation demonstrates a 10-bit SAR-ADC with low power dissipation per conversion step at 50 MS/s sampling rate. The proposed ADC is featured with the split-capacitance array by using unity-gain amplifiers and designed for fibre optic gyroscope (FOG) systems. The buffers based on the unity-gain amplifiers replace the bridge capacitors of the split-capacitance array in conventional...Read MoreCite This

Low-power and high-speed calculation is very important nowadays for energy-efficient demand of electronic devices. With the usage of ANT (All-N-transistor) logic, the speed constraint caused by PMOS transistors can be overcome through an auxiliary current path across NMOS transistors. This study presents a 800-MHz 28.8-mW 8-bit carry look-ahead adder (CLA) using ANT logic implemented on...Read MoreCite This

Low-power and high-speed calculation is very important nowadays for energy-efficient demand of electronic devices. With the usage of ANT (All-N-transistor) logic, the speed constraint caused by PMOS transistors can be overcome through an auxiliary current path across NMOS transistors. This study presents a 800-MHz 28.8-mW 8-bit carry look-ahead adder (CLA) using ANT logic implemented on...Read MoreCite This

An ultra-low-energy SRAM composed of single-ended cells is demonstrated on silicon in this investigation. More specifically, the supply voltages of cells are gated by wordline (WL) enable, and the voltage mode select (VMS) signals select one of the corresponding supply voltages. A lower voltage is selected to maintain stored bit state when cells are not...Read MoreCite This

We report on the mechanical and thermal properties of stereolithography (SLA) 3D-printed methacrylate (MA) resin reinforced by chitin nanowhiskers (CNWs). CNWs were synthesized by acid hydrolysis of crab shell chitin and nanocomposites with 0 wt%, 0.5 wt%, 1.0 wt%, and 1.5 wt% CNWs loading were prepared by slurry compounding method. The obtained CNWs (diameter =...Read MoreCite This