Submissions from 2025
Effect of Deposition Angle on Diamond-like Carbon Films on Silicon Trenches: A Molecular Dynamics Study, Alejandro Joaquin A. Acero, Christian Lorenz S. Mahinay, and Catherine Joy M. Dela Cruz
Surface Treatment of Carbon Fiber Reinforced Polymer for Adhesive Bonding with Pioneer Epoxy Using Atmospheric Pressure Plasma Jet, Catherine Joy Enrile Antipuesto, Catherine Joy M. Dela Cruz, and Christian Lorenz S. Mahinay
Development of a microfluidic platform for the encapsulation of baker’s yeast Saccharomyces cerevisiae in alginate hydrogel microparticles, Mariane Desiree C. Avendaño
Improvised and low-cost impulse excitation technique apparatus for rapid characterization of elastic properties, Beatrice V. Bayan
Photonic Integrated Circuit (PIC)-based Sin-Sin2 Frequency Discriminator (FD) filter for 5G Application: SEM Engineering Analysis, Clint Dominic G. Bennett; Benjamin B. Dingel; Joseph T. Placiente, Jr.; and Marinella Dennise V. Guzman
Exact evaluation and resummation of the divergent expansion for the Heisenberg–Euler Lagrangian, Philip Jordan D. Blancas
Finite-part integration of the Hilbert transform, Philip Jordan D. Blancas
Finite-part Integration of the Hilbert Transform, Philip Jordan D. Blancas and Eric A. Galapon
Droplet-Scale Conversion of Aluminum into Transparent Aluminum Oxide by Low-Voltage Anodization in an Electrowetting System, Marco Laurence M. Budlayan, Juan Paolo S. Bermundo, James C. Solano, Mark D. Ilasin, Raphael D. Guerrero, and Yukiharu Uraoka
Electrowetting Behavior of Water Microdroplets on a Natural Superhydrophobic Leaf and its Elastomeric Replica, Marco Laurence M. Budlayan, Dina C. Palangyos, Jonathan N. Patricio, Susan D. Arco, and Raphael Guerrero
Tunable Optical Beam Focusing using Static Water Droplets on an Electrospun Polymer Fiber, Marco Laurence M. Budlayan, Dina C. Palangyos, Jonathan N. Patricio, Susan D. Arco, and Raphael A. Guerrero
Direct Integration of Iron Oxide Nanoparticles on Bacterial Cellulose for Dye Degradation in Water, Marco Laurence M. Budlayan, Jonathan N. Patricio, Dina C. Palangyos, Raphael Guerrero, and Susan D. Arco
Two approaches to mass closure analysis for carbon-rich aerosol in Metro Manila, Philippines, Maria Obiminda L. Cambaliza, Grethy Catipay-Jamero, and James Bernard B. Simpas
Influence of tropical cyclones, southwest monsoon, and tropical cyclone-enhanced southwest monsoon on rainfall variability over the western coast of the Philippines, Maria Obiminda L. Cambaliza, Joel T. Maquiling, Lyndon Mark P. Olaguera, and Jose Ramon T. Villarin
Day-Night Shifts in Water-Soluble Ions of Size-Resolved Aerosols before and after the COVID-19 Lockdown in a Coastal Megacity: Metro Manila, Philippines, Maria Obiminda L. Cambaliza and James Bernard B. Simpas
Technical note: Apportionment of Southeast Asian biomass burning and urban influence via in situ trace gas enhancement ratios, Maria Obiminda L. Cambaliza and James Bernard B. Simpas
A feedback-guided analysis of environmental, health and socio-economic factors affecting drivers’ willingness to shift to e-jeepneys, Maria Obiminda L. Cambaliza, James Bernard B. Simpas, and Imee Delos Reyes
Exploring the Role of Activation Functions in YOLOv8 for Enhanced Performance, Benjamin B. Dingel
Numerical Approach to the Optimization of the Bandwidth Tunability of a Non-Cascaded Multifunctional Optical Filter, Benjamin B. Dingel, Clint Dominic G. Bennett, and Ramon Benedict L. Lapina
System Performance (SNR and OIP3) of Phase-Modulated Direct Detection Link Using Linear Optical Field Frequency Discriminator, Benjamin B. Dingel; Marinella Dennise V. Guzman; and Joseph T. Placiente, Jr.
Low-Cost, Compact, Linear Optical Frequency Discriminator Filter with Bidirectional Capability for 5G/6G Application, Benjamin B. Dingel; Marinella Dennise V. Guzman; Joseph T. Placiente, Jr.; and Alessandra Ilsa Molo
Comparative Analysis of Electromagnetically Induced Transparency (EIT) in Various Ring Resonator Configurations, Benjamin B. Dingel and Ramon Benedict L. Lapina
Novel Nested Cross-Coupled Microring Resonator Architecture for Optical Sensors and Optical Communication Networks Applications, Benjamin B. Dingel and Wayne Jasper G. Sy
Direct Integration of Iron Oxide Nanoparticles on Bacterial Cellulose for Dye Degradation in Water, Raphael A. Guerrero and Marco Laurence M. Budlayan
Droplet-Scale Conversion of Aluminum into Transparent Aluminum Oxide by Low-Voltage Anodization in an Electrowetting System, Raphael A. Guerrero and Marco Laurence M. Budlayan
Electrowetting Behavior of Water Microdroplets on a Natural Superhydrophobic Leaf and its Elastomeric Replica, Raphael A. Guerrero and Marco Laurence M. Budlayan
Tunable optical beam focusing using static water droplets on an electrospun polymer fiber, Raphael A. Guerrero and Marco Laurence M. Budlayan
Spatiotemporal Analysis of Hail Events in the Philippines, Marco Polo A. Ibañez, John A. Manalo, Generich H. Capuli, and Lyndon Mark P. Olaguera
Effect of Deposition Angle on Diamond-like Carbon Films on Silicon Trenches: A Molecular Dynamics Study, Christian Lorenz C. Mahinay and Alejandro Joaquin A. Acero
Surface treatment of carbon fiber reinforced polymer for adhesive bonding with pioneer epoxy using atmospheric pressure plasma jet, Christian Lorenz C. Mahinay and Catherine Joy Enrile Antipuesto
Film characteristics of atmospheric pressure plasma-treated chitosan solution, Christian Lorenz C. Mahinay and Vera Angela Siao
Fabrication of Chitosan Bioplastic Diffraction Gratings from Crab Shell Waste Blended with Cornstarch via Soft Lithography, Joel T. Maquiling, Raphael A. Guerrero, and Efren G. Gumayan
Impact of Extreme Rainfall Days on the Welfare of Households in the Formal and Informal Sectors, Gemma Teresa T. Narisma
Meteorological Characteristics of the 10 Jan 1999 Extreme Rainfall Event over Hinatuan, Surigao del Sur, the Philippines, Lyndon Mark P. Olaguera
Spatiotemporal Analysis of Hail Events in the Philippines, Lyndon Mark P. Olaguera
Dissipation-based clustering of landfalling tropical cyclones in Vietnam: changes in translational speed, intensity, and direction of motion, Lyndon Mark P. Olaguera, Clint Eldrick R. Petilla, and Leia Pauline S. Tonga
Assessing the performance of GSMaP and IMERG in representing the diurnal cycle of precipitation in the Philippines during the southwest monsoon season, Lyndon Mark P. Olaguera and Jose Ramon T. Villarin
Rainfall and Temperature-Based Philippine Climate Zones Using Self-Organizing Maps, Lyndon Mark P. Olaguera and Jose Ramon T. Villarin
The unique features of Typhoon Rai (2021): an observational study, Lyndon Mark P. Olaguera, Jose Ramon T. Villarin, and Clint Eldrick R. Petilla
Correction to: The unique features of Typhoon Rai (2021): an observational study (Natural Hazards, (2025), 121, 7, (8279-8303), 10.1007/s11069-025-07138-x), Clint Eldrick R. Petilla, Lyndon Mark P. Olaguera, Faye Abigail T. Cruz, Jose Ramon T. Villarin, Hironori Fudeyasu, Ryuji Yoshida, and Jun Matsumoto
The Unique Features of Typhoon Rai (2021): An Observational Study, Clint Eldrick R. Petilla, Lyndon Mark P. Olaguera, Faye Abigail T. Cruz, Jose Ramon T. Villarin, Hironori Fudeyasu, Ryuji Yoshida, and Jun Matsumoto
Assessment of Compressive Strength, Microstructure, Thermal, and Radiation Shielding Properties of Taal Volcanic Ash-Based Geopolymer Mortar, Floyd Rey P. Plando, Myris V. Supnad, and Joel T. Maquiling
Fluorescence properties of pyridine and pyridine-carbonitrile derivatives: photophysical and structural analysis, Carlito S. Ponseca Jr.
Hybrid detectors for high-energy radiation based on borosilicate glass scintillator doped with Gd3+ covered by photosensitive TiO2 layer, Carlito S. Ponseca Jr.
Synthesis, characterization and cytotoxicity properties of new dichlorothiophene based nicotinonitrile derivatives, Carlito S. Ponseca Jr.
Film characteristics of atmospheric pressure plasma-treated chitosan solution, Vera Angela Siao, Christian Lorenz S. Mahinay, Catherine Joy Dela Cruz, and Kathrina Lois Taaca
Assessing the Performance of GSMaP and IMERG in Representing the Diurnal Cycle of Precipitation in the Philippines during the Southwest Monsoon Season, Enrico Alejandro S. Taña, Lyndon Mark P. Olaguera, Shane Marie A. Visaga, Angela Monina T. Magnaye, Alyssa Gewell A. Llorin, Faye Abigail T. Cruz, Jose Ramon T. Villarin, and Jun Matsumoto
Exact Evaluation and Resummation of the Divergent Expansion for the Heisenberg-Euler Lagrangian, Christian D. Tica, Philip Jordan D. Blancas, and Eric A. Galapon
Submissions from 2024
Understanding Adoption of Electronic Medical Records (EMRs) During a Health Emergency: An Analysis of EMR Usage Logs from Rural Health Facilities in the Philippines, Paulyn Jean Acacio-Claro, Ma. Regina Justina Estuar, Dennis Andrew R. Villamor, Maria Cristina G. Bautista, Christian E. Pulmano, and Quirino M. Sugon
Seasonal Characteristics of Raindrop Size Distribution and Implication for Radar Rainfall Retrievals in Metro Manila, Philippines, Larry Ger B. Aragon, Marco Polo A. Ibañez, Raymond C. Ordinario, James Bernard Simpas, Maria Obiminda L. Cambaliza, Julie Mae B. Dado, Joel Maquiling, and Elizabeth A. Reid
Climate Change as Modifier of Landslide Susceptibility: Case Study in Davao Oriental, Philippines, Mary Antonne A. Beryoa-Eitner, May Celine Vicente, Julie Mae Dado, Marion Roel S. Dimain, and Faye Abigail T. Cruz
Electrowetting-on-Dielectric Behavior of Aqueous Droplets and Gold Nanofluid on an Electrospun Poly(vinyl chloride) Microfiber Layer, Marco Laurence M. Budlayan, Jonathan N. Patricio, Susan D. Arco, and Raphael Guerrero
A Review of Nanostructures in Electrowetting-on-Dielectric Systems: From Nanostructured Dielectric Layers to Nanofluids, Marco L. Budlayan, Jonathan N. Patricio, Susan D. Arco, and Raphael Guerrero
Measurement of Ascorbic Acid Samples' Optical Rotation via an Improvised Polarimeter for Purity Assessment, Ryan Felicidario and Ramon M. Delos Santos
Bioplastic Diffraction Gratings Fabricated from Crab Shells: Performance at Varying Chitosan Concentrations, Raphael A. Guerrero and Efren G. Gumayan
The Sensitivity of Extreme Rainfall Simulations to WRF Parameters During Two Intense Southwest Monsoon Events in the Philippines, Kevin C. Henson, Lyndon Mark P. Olaguera, Faye Abigail T. Cruz, and Jose Ramon T. Villarin
In-Depth Analysis of Ambient Air Pollution Changes Due to the COVID-19 Pandemic in the Asian Monsoon Region, Mohd Talib Latif, Noorain Purhanudin, Nur Zulaikha Mohd Afandi, Maria Obiminda L. Cambaliza, Nor Diana Abdul Halim, Nor Syamimi Sufiera Limi Hawari, To Thi Hien, Ohnmar May Tin Hlaing, Warnakulasuriya Roshani Loreta Hiranthi Jansz, Muhammad Fahim Khokhar, Puji Lestari, Shih Chun Candice Lung, Manish Naja, Nguyen Thi Kim Oanh, Murnira Othman, Abdus Salam, Pauziyah Mohammad Salim, Chang Keun Song, Tamaki Fujinawa, Hiroshi Tanimoto, Liya E. Yu, and James H. Crawford
Improved WRF Simulation of Surface Temperature and Urban Heat Island Intensity over Metro Manila, Philippines, Alyssa Gewell A. Llorin, Lyndon Mark P. Olaguera, Faye Abigail T. Cruz, and Jose Ramon T. Villarin
Quantifying the Influence of Updated Land Use/Land Cover in Simulating Urban Climate: A Case Study of Metro Manila, Philippines, Alyssa Gewell A. Llorin, Lyndon Mark P. Olaguera, Angela Monina T. Magnaye, Faye Abigail T. Cruz, Julie Mae B. Dado, Emilio C. Gozo, Xzann Garry Vincent M. Topacio, Sherdon Niño Y. Uy, James Bernard B. Simpas, and Jose Ramon T. Villarin
Estimation of Methyl Orange Dye's Molar Absorptivity Using a Photoresistor-based Photometer, Patricia M. Ludovice and Ramon M. Delos Santos
Observed Characteristics and Seasonality of the Diurnal Patterns of Precipitation over Metro Manila, Philippines, Lyndon Mark P. Olaguera, Alyssa Gewell A. Llorin, Angela Monina T. Magnaye, Faye Abigail T. Cruz, Jose Ramon T. Villarin, and Xzann Garry Vincent M. Topacio
Climatological Analysis of Rainfall over Hinatuan City, Surigao del Sur in Eastern Mindanao—the Wettest Location in the Philippines, Lyndon Mark P. Olaguera and John A. Manalo
Objective Determination of the Withdrawal Dates of the Southwest Monsoon (Habagat) Season of the Philippines Using Cumulative Rainfall, Lyndon Mark P. Olaguera and John A. Manalo
Quantifying the Influence of the Madden-Julian Oscillation on Rainfall Extremes during the Northeast Monsoon Season of the Philippines, Lyndon Mark P. Olaguera, John A. Manalo, Alwin Bathan, and Jun Matsumoto
Mechanical Properties of Si(1−x)–C(x): Strength and Stiffness of Materials Using LAMMPS Molecular Dynamics Simulation, Clint Edrick Petilla, Catherine Joy Dela Cruz, and Christian Lorenz S. Mahinay
Construction Potential of Rice Husk Ash as Eco-Friendly Cementitious Material in a Low-Water Demand for Self-Compacting Concrete, Floyd Rey P. Plando and Joel T. Maquiling
Generating Bessel Beams with an Elastomeric Replica of a Weevil Carapace, Paz Victoria T. Ramos, Michie Vianca D. De Vera, and Raphael Guerrero
Graphene-Coated Microring Resonator (MRR)-Based Gas Sensor Using Novel Intensity-Level Detection for Low-Cost, Rapid, and Label-Free Sensing: Preliminary Simulated Results, Kent C. Soria, Benjamin Dingel, Jezlor Villarde, Ramon C. Lapina, Cindy Lisa Esporlas, Luther Villacruz, Kryss Urbano, Francesca Palabrica, and Clint Dominic Bennett
Patterns and Drivers of Heavy and Extreme Hourly Rainfall Events over Metro Manila, Philippines, Enrico Alejandro S. Taña, Lyndon Mark P. Olaguera, Alyssa Gewell A. Llorin, Julie Mae Dado, Maria Obiminda L. Cambaliza, Faye Abigail T. Cruz, Jose Ramon T. Villarin, and Jun Matsumoto
Application of Kalman Filter for Post-Processing WRF-Solar Forecasts over Metro Manila, Philippines, Shane Marie Visaga, Patric John Pascua, Leia Pauline Tonga, Lyndon Mark P. Olaguera, Faye Abigail Cruz, Rafael Alvarenga, Anthony Bucholtz, Angela Monina Magnaye, James Bernard Simpas, Elizabeth Reid, Sherdon Niño Uy, and Jose Ramon T. Villarin
Submissions from 2023
Classifying Invasive Alien Species in the Philippines Using Convolutional Neural Networks, Rey Aliño, Proceso L. Fernandez Jr, and Arvin Diesmos
Climate Change as Modifier of Landslide Susceptibility: Case Study in Davao Oriental, Philippines, Mary Antonette A. Beroya-Eitner, May Celine T.M. Vicente, Julie Mae Dado, Marion Roel S. Dimain, Joel Maquiling, and Faye Abigail T. Cruz
Natural Features, Wettability, and Optical Diffraction Patterns on an Elastomeric Replica of a Superhydrophobic Leaf Derived via Soft Lithography, Marco Laurence M. Budlayan, Dina C. Palangyos, Jonathan N. Patricio, Susan D. Arco, and Raphael Guerrero
Honeycomb Pattern Formation on Poly(vinyl chloride) Films: Electrically-Driven Microparticle Trapping and the Effect of Drying Temperature, Marco Laurence M. Budlayan, Jonathan N. Patricio, Gillian Kathryn B. Yap, Jose Jesus A. Gayosa, Susan D. Arco, Jose Mario A. Diaz, and Raphael A. Guerrero
Spatiotemporal Assessment of PM2.5 Exposure of a High-risk Occupational Group in a Southeast Asian Megacity, Jarl Tynan Collado, Jose Gabriel Abalos, Imee de los Reyes, Melliza T. Cruz, Gabrielle Frances Leung, Katrina Abenojar, Carlos Rosauro Manalo, Bernell Go, Christine L. Chan, Charlotte Kendra Z. Gotangco, James Bernard Simpas, Emma E. Porio, John Q. Wong, Shih Chun Candice Lung, and Maria Obiminda L. Cambaliza
Impacts of Regional Wind Circulations on Aerosol Pollution and Planetary Boundary Layer Structure in Metro Manila, Philippines, Melliza Templonuevo Cruz, James Bernard Simpas, Armin Sorooshian, Grace Betito, Maria Obiminda L. Cambaliza, Jarl Tynan Collado, Edwin W. Eloranta, Robert Holz, Xzann Garry Vincent Topacio, Jundy Del Socorro, and Gerry Bagtasa
Fabrication and Applications of a Novel and Multi-Feature Spectroscope, Ivan B. Culaba, Joel T. Maquiling, and Ramon M. Delos Santos
Concept Connectivity: An Educational and Research Framework for Scientific Learning in Optics, Photonics, and Electronic Education, Benjamin Dingel, John Gabriel C. Rivera, Francesca De Guzman Palabrica, and Clint Dominic Bennett
Variable Linear Polarization of Plane Waves Reconstructed Via Photorefractive Volume Holography, Aviel Sheen V. Dumaicos and Raphael Guerrero
Chitosan from Crab Shell Waste for Soft Lithography of Bioplastic Diffraction Gratings, Efren G. Gumayan, Ian Ken D. Dimzon, and Raphael Guerrero
Diffraction Efficiencies of Three Types of Bioplastic Gratings Based on Chitosan from Seafood Waste, Efren G. Gumayan, Ian Ken D. Dimzon, and Raphael Guerrero
Phasor Analysis of the Symmetric Crisscrossed-assisted Coupled-Ring Reflector, Avram J. Gutierrez, Benjamin Dingel, Joel Maquiling, Jan Llenzl Dagohoy, and David Jonas P. Bambalan
'Ultraslow-Light' and Flipping Property of the Crisscrossed-Assisted Coupled-Ring Reflector, Avram J. Gutierrez, Benjamin Dingel, W.J. Sy, and Clint Dominic Bennett
An Emerging Aerosol Climatology via Remote Sensing over Metro Manila, the Philippines, Genevieve Rose Lorenzo, Avelino F. Arellano, Maria Obiminda L. Cambaliza, Christopher Castro, Melliza Templonuevo Cruz, Larry Di Girolamo, Glenn Franco Gacal, Miguel Ricardo A. Hilario, Nofel Lagrosas, Hans Jarett Ong, James Bernard Simpas, Sherdon Niño Uy, and Armin Sorooshian
Process-Based Analysis of the Impacts of Sea Surface Temperature on Climate in CORDEX-SEA Simulations, Angela Monina T. Magnaye, Larry Ger B. Aragon, Julie Mae B. Dado, Faye T. Cruz, Lyndon Mark P. Olaguera, Gemma T. Narisma, Fredolin Tangang, Liew Juneng, Thanh Ngo-Duc, Tan Phan-Van, Jerasorn Santisirisomboon, Patama Singhruck, Dodo Gunawan, Edvin Aldrian, and Ardhasena Sopaheluwakan
Smartphone-Based Approach to Demonstrating Relativistic Aberration of Light Using Electronic Circuit Analogues for Undergraduates in the Philippines, Samuel Martirez, June Capin, Shayne Venancio, Perine Bianzon, John Gabriel Rivera, Benjamin Dingel, and Clint Dominic Bennett
Climatological Characteristics of the Monsoon Breaks during the Southwest Monsoon Season of the Philippines, Lyndon Mark P. Olaguera, John A. Manalo, and Jun Matsumoto
Variable Bessel Beam Profiles Generated through Refraction by Liquid Media, Dina C. Palangyos and Raphael Guerrero
Changes in Intensity and Tracks of Tropical Cyclones Crossing the Central and Southern Philippines from 1979 to 2020: An Observational Study, Clint Eldrick R. Petilla, Leia Pauline S. Tonga, Lyndon Mark P. Olaguera, and Jun Matsumoto
Microstructural Characterizations and Radiation Shielding Quantities of Rice Husk Ash-Based Self-Compacting Concrete and Its Precursors, Floyd Rey P. Plando, Mon Bryan Z. Gili, and Joel Maquiling
Microstructural Characterizations and Strength Development of Self-Compacting Concrete Using Rice Husk Ash, Floyd Rey P. Plando and Joel T. Maquiling
The Coupling Between Tropical Meteorology, Aerosol Lifecycle, Convection, and Radiation during the Cloud, Aerosol and Monsoon Processes Philippines Experiment (CAMP2Ex), J. S. Reid, H. B. Maring, Gemma T. Narisma, S. Van Den Heever, L. Di Girolamo, R. Ferrare, P. Lawson, G. G. Mace, James Bernard Simpas, S. Tanelli, L. Ziemba, B. Van Diedenhoven, R. Bruintjes, A. Bucholtz, Cairns B. Flynn, M. O. Cambaliza, G. Chen, G. S. Diskin, J. H. Flynn, C. A. Hostetler, and R. E. Holz
Formulation of Causality-Preserving Quantum Time of Arrival Theory, Denny Lane B. Sombillo and Neris I. Sombillo
Simulation of Quantum Algorithm Using Modified Qubit Rotation, Neris I. Sombillo
Characteristics of Particulate Matter During New Year's Eve Fireworks and Taal Volcano Ashfall in Metro Manila on January 2020, Melliza Templonuevo Cruz, James Bernard Simpas, Robert Holz, Chung Shin Yuan, and Gerry Bagtasa
Submissions from 2022
A Micro-analysis Approach in Understanding Electronic Medical Record Usage in Rural Communities: Comparison of Frequency of Use on Performance Before and During the COVID-19 Pandemic, Paulyn Jean Acacio-Claro, Ma. Regina Justina Estuar, Dennis Andrew Villamor, Maria Cristina G. Bautista, Quirino Sugon Jr, and Christian E. Pulmano
The 2019 Philippine UHC Act, Pandemic Management and Implementation Implications in a Post-COVID-19 World: A Content Analysis, Maria Cristina G. Bautista, Paulyn Jean Acacio-Claro, Nori Benjamin Mendoza, Christian Pulmano, Ma. Regina Justina Estuar, Manuel Dayrit, Vincent Festin, Madeleine Valera, Quirino Sugon Jr, and Dennis Andrew Villamor
Simulation of Urban Heat Island during a High-Heat Event Using WRF Urban Canopy Models: A Case Study for Metro Manila, Ronald Gil Joy P. Bilang, Ariel C. Blanco, Justine Ace S. Santos, and Lyndon Mark P. Olaguera
Detecting mercury ions in water using a low-cost colorimetric sensor derived from immobilized silver nanoparticles on a paper substrate, Marco Laurence M. Budlayan, Jhonnybert Dalagan, Jeanne Phyre L. Oracion, Jonathan N. Patricio, Susan D. Arco, Felmer S. Latayada, Temmy Vales, Benito Baje, Arnold C. Alguno, and Rey Yonson Capangpangan
