2025

VOLUME 18 NUMBER 1 (January to June 2025)

ARTICLE
Process optimization of flour from Philippine purple-fleshed sweet potato (Ipomoea batatas (L.) Lam. var. SG18-150-01) using Response Surface Methodology
by Marie Bless B. Galang, Frankie Lycurgus D. Avorque, and Dennis Marvin O. Santiago
1

ARTICLE
A probabilistic approach to risk assessment for anticipatory planning
by Emerson R. Rico, Destiny S. Lutero, Christian Alvin H. Buhat, Kemuel M. Quindala III, Dylan Antonio SJ. Talabis, Monica C. Torres, Ariel L. Babierra, and Jomar F. Rabajante
11

ARTICLE
A low-cost production method for Bst DNA polymerase (large fragment)
by Manuel Victor San Pedro, Van Aldren Cañas, Joshua Roberto Garcia, Crisanto Lopez, Marjorie Zulueta, and Edjohn Aaron Macauyag
20

ARTICLE
Association of abnormal coagulation parameters with adverse clinical outcomes among patients with moderate to severe SARS-CoV-2 infection
by Geraldine T. Zamora-Abrahan, Evelyn O. Salido, Jaime Alfonso M. Aherrera, Deonne Thaddeus V. Gauiran, Ourlad Alzeus G. Tantengco, Ana Flor G. Malundo, Jonnel B. Poblete, Fresthel Monica M. Climacosa, Alric V. Mondragon, Juan Raphael M. Gonzales, Josephine Anne C. Lucero, Ralph Elvi M. Villalobos, John D. Anonuevo, Aileen D. Wang, and Felix Eduardo R. Punzalan
28

ARTICLE
Terahertz emission from zinc oxide and low-temperature grown gallium arsenide photoconductive antennas: a comparative analysis using Drude-Lorentz and equivalent circuit models
by Jose Mari Sebastian C. Arcilla, Lourdes Nicole F. Dela Rosa, Vince Paul P. Juguilon, Ivan Cedrick M. Verona, Dhaniel Angelo Batalla, Alexander E. De Los Reyes, Hannah R. Bardolaza, and Elmer S. Estacio
38

ARTICLE
Performance of a locally developed automated screw-type charcoal briquetting machine
by Jheremy T. Escalante and Joel M. Alcaraz
44

ARTICLE
Response surface methodology-based optimization of cellulase production by Trichoderma asperelloides RS1 through solid-state fermentation using coconut coir
by Jhoanna Mae A. Minion, Leo Joseph F. Labitag, Annie Cita T. Kagaoan, Adonis A. Yanos, Sheryl Lozel B. Arreola, and Nico G. Dumandan
51

ARTICLE
The parasite’s parasite: Exploring virophages’ antiviral strategies in developing current and novel antiviral therapies
by Pablo V. Serrano and Salatiel G. Tacorda
64

ARTICLE
Physicochemical, antioxidant, and anti-tyrosinase property of standardized phenolics powder from mango seed kernel
by Maria Katrina N. Alaon, John Kenneth A. Villasin, Lizette Sahar N. Arcillas, Arsenia B. Sapin, Fides Marciana Z. Tambalo, and Charlene P. Duran
73

ARTICLE
In silico approach for designing a pan-proteomic and pan-genotypic hepatitis C virus multi-epitope subunit vaccine
by Nyzar Mabeth O. Odchimar, Ella Mae Joy S. Sira, Edward C. Banico, Alea Maurice Simbulan, and Fredmoore L. Orosco
82

ARTICLE
Enhancing road safety on Tacloban Bypass Road, Philippines: A GIS-based risk assessment
by Hannah Marie C. Entatano, Jomar N. Bertes, Regiemar T. Bertes, Dyan D. de Leon, and Jovell O. Pepe
102

ARTICLE
Productivity, authorship trends, and themes of the published articles in Filipino monolingual journals from 2013 to 2022
by Christian P. Gopez, Belle Beatriex’ M. Alemania, Chrizelle M. Villanueva, Liezl Rillera-Astudillo, and Feorillo A. Demeterio III
116

ARTICLE
Taxonomic review and key to species of genus Thrips Linnaeus (Thysanoptera: Thripidae) in the Philippines, with new record and description of a new species
by Cecilia P. Reyes, Perry Archival C. Buenavente, Normandy M. Barbecho, Rezie Mae C. Catamora, and Dan Hall
133

2024

VOLUME 17 NUMBER 1 (January to June 2024)

ARTICLE
Optimizing registry of inhabitants’ record management: the development of municipal consolidation system for local governance
by Madelyn B. Manun-og and James Brian Flores
1

ARTICLE
Phytochemical content, antioxidant capacity, and in vitro antibacterial activity of bran extracts of Philippine rice (Oryza sativa) cultivars
by Rosaly V. Manaois, John Edward I. Zapater, Amelia V. Morales, and Jay Carl A. Cacerez
8

ARTICLE
Nonconvex TV_q model with l1 fidelity term in image restoration
by Valentine Blez L. Lampayan and Marrick C. Neri
18

ARTICLE
Taxonomic review and illustrated key to identify species of Thysanoptera in subfamily Panchaetothripinae (Thripidae) from the Philippines
by Cecilia P. Reyes, Perry Archival C. Buenavente, and Dan Hall
27

ARTICLE
Presence of elsinochrome and other putative effectors in select genomes of the plant pathogen Elsinoë spp. based on in silico analysis
by Rhenz Cedrick M. Cequeña and Leilani G. Sumabat-Dacones
59

ARTICLE
Reconstructing Philippine history before 1521: the Kalaga Putuan Crescent and the Austronesian maritime trade network
by Baldomero M. Olivera, Dr. Zach W. Hall, and Bertrand J. Granberg
71

ARTICLE
Heated tobacco products: Potentials of harm reduction, improvement of indoor air quality and the need for further studies
by Aldwin A. Camance
86

PERSPECTIVES AND PROSPECTIVES
Probing interfaces and non-centrosymmetry using SHG: a short study guide
by Imee Su Martinez and Allen Marbert S. Lee
104

ARTICLE
Fragments that reduce the gap cap of the T-tetromino to six
by Vince Jan F. Torres and Louie John D. Vallejo
128

ARTICLE
The research productivity profiles of the Philippines’ most research productive higher education institutions: Analyses by regional clusters and ownership types
by Christian P. Gopez, AARichela L. dela Cruz, Henry Leen A. Magahis, Analiza D. Resurreccion, and Feorillo Petronilo A. Demeterio III
134

COMMENTARY
Accelerated demographic and economic transition calls for resolute socioeconomic policies
by Ernesto M. Pernia
148

COMMENTARY
Balancing hope and hype on hydrogen’s role in the Philippine energy transition
by DJ Donn C. Matienzo, Honesto Ovid S. Tubalinal, Jaira Neibel Y. Bamba, Michael T. Castro, Paul Heherson M. Balite, Julie Anne D.R. Paraggua, and Joey D. Ocon
156

VOLUME 17 NUMBER 2 (July to December 2024)

ARTICLE
Design and fabrication of chicken manure dewatering machine
by Amor M. Vendiola Jr., Elmar M. Villota, Jeffrey A. Lavarias, and Theody B. Sayco
168

ARTICLE
Chemical composition and thermal characterization of selected Philippine cacao (Theobroma cacao L.) and tablea
by Larrie Antoni B. Adaptar, Julius Andrew P. Nuñez, Maria Carmen S. Tan, Jasmine U. Ting, Richard Anthony F. Galian, Joan Candice V. Ondevilla, and Aldrin P. Bonto
175

ARTICLE
Model separability of robustness diagram with loop and time controls
by Jasmine A. Malinao and Richelle Ann B. Juayong
189

ARTICLE
Development of machine learning algorithm for loop-mediated isothermal amplification including influence of temperature
by Taichi Endoh, Yuichi Sanekata, Kotetsu Kayama, Daiji Endoh, and Gerry A. Camer
202

ARTICLE
Valorization of cocoa bean shell waste through sustainable extraction of phenolics: Process optimization and characterization
by Sheba Mae M. Duque, Keila Cristine B. Quejadas, Argel A. Largado, Gilda Melanie O. Babaran, John Joseph C. Menia, Katherine Ann T. Castillo-Israel, and Romel M. Felismino
245

ARTICLE
THz-TDS study on the sulfur doping effect in the properties of GaSe_1-xS_x
by Arvin Lester C. Jusi, Der Jun Jang, Yi Ying Lu, Ching Hwa Ho, Li Wei Tu, Wen Ching Chao, and Alvin Karlo G. Tapia
257

ARTICLE
Comparison of reaction networks of insulin signaling
by Patrick Vincent N. Lubenia, Eduardo R. Mendoza, and Angelyn R. Lao
263

ARTICLE
Blended learning in higher education: Unveiling student experiences, challenges, and opportunities for policy development
by Martin L. Nobis Jr., Ronato S. Ballado, and Chona B. Froilan
274

ARTICLE
Assessing yield variation in rice varietal mixtures (VarMix®) and single varieties across 12 environments using AMMI analysis
by Imeldalyn G. Pacada and Aldrin Y. Cantila
286

2023

VOLUME 16 NUMBER 1 (January to June 2023)

ARTICLE
Fabrication and Testing of a Vapor Polishing Device for ABS 3D-Printed Parts
by Ciara Catherine L. Gache, Sherwin A. Mesa, Thea Clarice L. Prado, Christian G. Canonoy, Jimwell E. Pengson, Brian J. Tuazon, Michaela T. Espino, Rigoberto C. Advincula, and John Ryan C. Dizon
1

ARTICLE
Mixing effects and yield performance of rice varietal mixture (VarMix) in selected areas in the Philippines
by Imeldalyn G. Pacada and Fredi Jan A. Francia
8

ARTICLE
Production and characterization of manno-oligosaccharides from hydrolysis of mannan substrates by recombinant beta-mannanase from Bacillus licheniformis (Weigmann) Chester DSM 13
by Louelle Sheryl G. Albia, Sheryl Lozel B. Arreola, Adonis A. Yanos, Thu-Ha Nguyen, and Dietmar Haltrich
19

ARTICLE
Climate risk vulnerability assessment on the production of heirloom rice (Oryza sativa L.) and Arabica coffee (Coffea arabica L.) in Mountain Province, Philippines
by Levi Ezekiel O. Daipan, Roscinto Ian C. Lumbres, Myra Nieves T. Lingaling, Lynn J. Talkasen, Quinerlyn A. Godio, Guillermo A. Mendoza
28

ARTICLE
Solution to the N -Player Gambler’s Ruin with Variable Bet Sizes Using Recursions Based on Multigraphs
by Ramon Iñigo D. Marfil
40

ARTICLE
Human Milk Oligosaccharides And Site-Specific Glycosylation Heterogeneity Of Filipino Human Milk Glycoproteins Exhibit Dynamic Variations During Lactation As Influenced By Secretor Status And Coastal Environmental Condition – A Preliminary Study
by Rabigh F. Kangleon, Carlito B. Lebrilla, Gladys Cherisse J. Completo
48

ARTICLE
Screening of yield and growth-related SSR markers in Philippine coffee
by Miguel V. Mondragon, Dominique Anne B. Bongala, Ernelea P. Cao, and Daisy May C. Santos
207

ARTICLE
Water Quality Index as a tool for assessing the water quality of the Laguna de Bay from 2020 to 2021
by Pierre Angeli P. Barbaso, Arizaldo E. Castro, and Marie Christine M. Obusan
223

ARTICLE
Shell morphometric variation of the freshwater snail, Melanoides tuberculata (Müller, 1774) across the seven lakes of San Pablo City, Laguna, Philippines
by Giancarl Wincer A. Catalan and Emmanuel Ryan C. de Chavez
235

ARTICLE
Chayote leaves display seasonal variation in phytoestrogenic activities and phenolic content
by Cielo Mae D. Marquez, Rachelle Anne S. Dante, Harold M. Carag, John Carlo F. Dela Cruz, Noel S. Quiming, Marilou G. Nicolas, and Michael C. Velarde
244

VOLUME 16 NUMBER 2 (July to December 2023)

ARTICLE
Bacterial composition and antibiotic resistome profile of water in the Manila Bay South Harbor
by Harlene B. Cardos, Leslie Michelle M. Dalmacio, and Marilen P. Balolong
254

ARTICLE
Mapping Forest Vulnerability to Fire and Landslides in the Cordillera Region, Philippines
by Bernard Peter O. Daipan and Diomedes A. Racelis
265

ARTICLE
Long Chain Polyunsaturated Fatty Acids and Their Role in COVID 19-associated Inflammation and Dysbiosis
by Joan Christine O. Adajar-Deriquito, Princess Imee R. Dellosa, Jimwel Bryan Christopher P. Ferrer, John Dane S. Valdez, Rosel Francheska L. De Grano, John Nicolas P. Olitin, and Leodevico L. Ilag
275

ARTICLE
Survivable Network Design with Constrained h-Subgraph Flows
by Alfonso B. Labao and Henry N. Adorna
291

ARTICLE
Fifth-generation networks: The adoption of technology in a developing country
by Fredelino A. Galleto Jr., Aaron Don M. Africa, Frediezel G. De Leon, Alvin B. Culaba
310

ARTICLE
The Indigeneity Trend in Philippine Research from 2012 to 2021
by AARichela L. dela Cruz, Christian P. Gopez, Henry Leen A. Magahis, Analiza D. Resurreccion, and Feorillo A. Demeterio III
321

ARTICLE
Prime Labeling of Some Graphs with Eisenstein Integers
by Korina Ernjulie T. Manaloto and Rovin B. Santos
329

ARTICLE
Modified Reinecke’s salt spectrophotometric method for quantifying choline chloride in feed additive
by Hervin Errol T. Mendoza, Myrna S. Rodriguez, and Veronica P. Migo
337

ARTICLE
Proposed Econometric Strategy in Determining Thresholds of Levels of Diseases with Applications to Dengue Cases of a Highly Urbanized City
by Hernan G. Pantolla and Alex C. Gonzaga
346

ARTICLE
β-Mannanase from Bifidobacterium adolescentis DSM 20083: Molecular Cloning, Expression, and Biochemical Characterization for Manno-Oligosaccharides Production Using Makapuno
by Adonis A. Yanos, Louelle Sheryl G. Albia, Sheryl Lozel B. Arreola, Thu-Ha Nguyen, and Dietmar Haltrich
359

ARTICLE
Optimized green extraction method for the recovery of phenolics from bignay [Antidesma bunius (L.) Spreng] pomace
by Gilda Melanie O. Babaran, Sheba Mae M. Duque, Claire S. Zubia and Florencio C. Reginio, Jr.
367

REVIEW
Microbiological Quality of Fresh Produce in Southeast Asia: An Assessment of Risks, Challenges, and Opportunities
by Pierangeli G. Vital and Windell L. Rivera
377

PopSci ARTICLE
Looking inside the Marine Research Center for Verde Island Passage after Five Years
by Jayvee Ablaña Saco and Miguel Enrique Ma. Azcuna
390

ARTICLE
High-Performance Liquid Chromatography (HPLC) Method Validation for Simultaneous Quantitation of Five Phytoestrogenic Flavonoids
by John Carlo F. Dela Cruz, Noel S. Quiming, Marilou G. Nicolas, Michael C. Velarde, and Cielo Mae D. Marquez
392

REVIEW
Bacteroides: From a Fecal Pollutant to a Useful Tool in Solving Water Pollution
by Christian Jordan O. Dela Rosa and Windell L. Rivera
403

ARTICLE
A Proposed Two-stage Bayesian Modeling for Calibration of Epidemiological Forecasts with Applications on Dengue Cases in Butuan City
by Hernan G. Pantolla and Alex C. Gonzaga
420

ARTICLE
An assessment of the Philippines government’s response to the COVID-19 pandemic based on policy response indices
by Benjamin M. Vallejo, Jr., Rodrigo Angelo C. Ong, and Ranjit Singh Rye
431

ARTICLE
Profiling Lignocellulose Degraders in the Microbiome of Rice Straw from Three Selected Lowland Farms in General Santos City, Philippines Using a High-Throughput Microarray Platform
by Lynn Esther E. Rallos, Crispin Marino F. Panlaque Jr., Remedios S. Flamiano, and Windell L. Rivera
442

ARTICLE
On the regularity of the flow of analytic vector fields
by Jose Ernie C. Lope and Mark Philip F. Ona
458

2022

VOLUME 15 NUMBER 1 (January to June 2022)

ARTICLE
Zoonotic pathogens from illegally traded wildlife justify adopting the One Health perspective in disease response
by Marianne Allison G. Lee, Vinyl Joseph S. Valeza, Jonathan Patrick H. Yan, and Ronald Allan L. Cruz
1

ARTICLE
Alleviating the yield constraints posed by copper contamination in lowland rice and vegetable crop areas using Trichoderma technologies
by Charina Gracia B. Banaay and Virginia C. Cuevas
17

ARTICLE
Cave-dwelling bat assemblage of Polillo Island, eastern Philippines
by Philip A. Alviola, Edison A. Cosico, Eduardo G. Eres, Leticia E. Afuang, and Ireneo L. Lit, Jr.
25

ARTICLE
A modeling strategy for novel pandemics using monitoring data: the case of early COVID-19 pandemic in Northern Mindanao, Philippines
by Jayrold P. Arcede, Randy L. Caga-anan, Youcef Mammeri, Rhoda A. Namoco, Ian Christian A. Gonzales, Zython Paul Lachica, May Anne E. Mata
35

PopSci ARTICLE
Exploring the future of food with Dr. Joel Cuello
by Luis Wilfrido Atienza
47

PopSci ARTICLE
VUCA and CHEM
by Gisela P. Concepcion
50

COMMENTARY
Missing the boat on population management and economic development
by Ernesto M. Pernia
52

VOLUME 15 NUMBER 2 (July to December 2022)

COMMENTARY
Human, social, and physical infrastructure
by Ernesto M. Pernia
54

REVIEW
Adoption of Supercritical Fluid Technology in a Developing Country
by Juvyneil E. Cartel, Alvin B. Culaba, and Asuncion Raquel T. Casio
56

ARTICLE
Development of a records management system with GIS integration: enabling tool for disaster risk management
by Madelyn B. Manun-og, Mondani R. Manun-og, Adonis Rey F. Wales, Danilo A. Balili, and Jake N. Togonon
72

ARTICLE
Analysis of cone snail species in the Phasmoconus lineage collected off Aurora, Eastern Luzon
by Baldomero M. Olivera and Samuel S. Espino
79

PopSci ARTICLE
The Cone Snail that Delivered the Golden Goose
by Elsie C. Jimenez
88

ARTICLE
Semiparametric Spatiotemporal Model with Mixed Frequencies: With Application in Crop Forecasting
by Vladimir A. Malabanan, Joseph Ryan G. Lansangan, and Erniel B. Barrios
90

PopSci ARTICLE
Light it up, twice the frequency!
by Imee Su Martinez
108

PopSci ARTICLE
From Predator to Savior
by Lourdes Herold
111

ARTICLE
Preparing for an avian flu pandemic: Method for designing possible subunit vaccines against highly pathogenic avian influenza viruses
by Cecilia P. Mikita, Eduardo A. Padlan
113

REVIEW
3D-Printed Polymeric Spare Parts for Industrial Applications: A State-of-the-Art Review
by Ciara Catherine L. Gache, Brian J. Tuazon, Michaela T. Espino, Rigoberto C. Advincula, and John Ryan C. Dizon
128

ARTICLE
Detection of Alternaria alternata in post-harvest onion and grapes and the assessment of their phylogenetic relationships and mating potential
by Jonas P. Biscocho, Monica Pauline R. Baysa, and Leilani S. Dacones
145

ARTICLE
Genotype profiling, population structure, and seed size traits association analyses using five polymorphic SSR markers in soybean [Glycine max (L.) Merr.] genotypes available in the Philippines
by Anna Mae M. de los Reyes, Maura Mercedes L. Santos, Villamor A. Ladia Jr., Rodel G. Maghirang, Elmer E. Enicola, and Eureka Teresa M. Ocampo
166

COMMENTARY
PAASE keen to accelerate Philippine development
by Ernesto M. Pernia
179

ARTICLE
Underlying Cornerstone of Bunot Lake, Palakpakin Lake, and Calibato Lake: Aquaculture Structure, Road Infrastructure, and Legal Easement
by Bing Baltazar C. Brillo
181

ARTICLE
Moringa oleifera compounds from seeds and extracts from leaves: anticancer and cancer chemopreventive properties; preparation of leaf extract-based herbal syrup
by Jessa Mae M. Laude, Myra Ruth D. Picart, Albebson L. Lim, Jortan O. Tun, Cydee Marie V. Ramones, Klidel Fae B. Rellin, Meljune O. Chicote, Eliza L. Belen, Ranjala Ratnayake, James H. Matthews, Hendrik Luesch, Lilibeth A. Salvador-Reyes, Gisela P. Concepcion
192

2021

VOLUME 14 NUMBER 1 (January to June 2021)

REVIEW
Gut microbiota dysbiosis in diabetes mellitus
by Manuel T. Velasquez and Susie Q. Lew
1

ARTICLE
Design of possibly universal vaccines against seasonal influenza
by Cecilia P. Mikita and Eduardo A. Padlan
12

ARTICLE
Malacofaunal diversity and distribution in the Masungi Georeserve in Luzon Island, Philippines
by Benjamin K. Valdez, Julius A. Parcon, and Emmanuel Ryan C. de Chavez
29

ARTICLE
Small mammal-microhabitat associations in a disturbed landscape in northern Luzon, Philippines
by Aris A. Reginaldo and Perry S. Ong†
51

WHITE PAPER
Health is economy: lessons from COVID-19
by Ernesto M. Pernia
65

ARTICLE
A pivotal restructuring of modelling the control of COVID-19 during and after massive vaccination for the next few years
by Jose B. Cruz, Jr., Tirso A. Ronquillo, Ralph Gerard B. Sangalang, Albertson D. Amante, Divina Gracia D. Ronquillo, Janice F. Peralta, Antonette V. Chua, Oliver Lexter July A. Jose, Raynell A. Inojosa
69

ARTICLE
The big picture: Consolidating national government and CITES records of animal trade in the Philippines from 1975 to 2019
by Ronald Allan L. Cruz and Catherine Genevieve B. Lagunzad
79

ARTICLE
Design of a possible subunit vaccine against SARS-CoV-2
by Cecilia P. Mikita and Eduardo A. Padlan
101

ARTICLE
Influence of runoff on coastal chlorophyll-a concentration in selected Philippine upwelling sites
by Manuel Justin G. Custado and Carlos Primo C. David
108

ARTICLE
Growth of duckweeds (Lemna minor L.) as affected by light intensity, nutrient solution concentration, and light x nutrient interaction
by Jehru C. Magahud and Sheena Lourdes P. Dalumpines
119

ARTICLE
Incidence of insect pests on Hibiscus rosa sinensis L. germaplasm in the plant nursery
by Lourdes D. Taylo and Pablito M. Magdalita
130

LETTER FROM THE EDITORS
IMPORTANT ANNOUNCEMENT: Philippine Science Letters transitions to SciEnggJ on July 1, 2021
by Gisela P. Concepcion and Windell L. Rivera
139

ARTICLE
Religiosity Protects Men from HPV-Driven Head and Neck Cancers: The Oral Sex Antipathy Hypothesis
by Rene Tadle, John Rey Macindo, Custer Deocaris, and Pia Marie Albano
141

ARTICLE
Chemical reaction network decompositions and realizations of S-systems
by Honeylou F. Farinas, Eduardo R. Mendoza, Angelyn R. Lao
147

ARTICLE
The Seven Lakes of San Pablo: Assessment and Monitoring Strategies Toward Sustainable Lake Ecosystems
by Vachel Gay V. Paller, Damasa Magcale-Macandog, Emmanuel Ryan C. de Chavez, Michelle Grace V. Paraso, Maria Claret L. Tsuchiya, Joseph G. Campang, John Vincent R. Pleto, Modesto Z. Bandal, Jr., Yves Christian L. Cabillon, Amalia G. Elepaño, Jeph Roxy M. Macaraig, and Sedney S. Mendoza
158

ARTICLE
Molecular Characterization of Pediococcus acidilactici Pediocin Genes (ped PA-1/AcH) and Plasmid Transfer into Bacillus subtilis NRRL B-3749 via Electroporation
by Rowena E. Ramos, Francisco B. Elegado, Maria Teresa M. Perez, Noel G. Sabino, and Antonio C. Laurena
180

SciEnggJ

VOLUME 14 NUMBER 2 (July to December 2021)

ARTICLE
Multilevel Monte Carlo method for pricing Asian options under the square root process
by Azra May B. Kabiri and Guido David
190

ARTICLE
Comparative Assessment of Natural, Colonized and Planted Mangroves Disturbed by Lahar Deposition in Sasmuan, Pampanga, Philippines
by Ma. Patricia Joson, Mark Joseph Comia, Ma. Klarice Cureg, Ian A. Navarrete, and Severino G. Salmo III
200

COMMENTARY
Emerging independent government science advice in the Philippines in a time of crisis
by Benjamin M. Vallejo, Jr. and Rodrigo Angelo C. Ong
212

PopSci ARTICLE
Bringing New Voices to Science
by Luis Wildredo Atienza
217

POSITION PAPER
PAASE Recommendations on S&T Human Capital Development
by Carlos Primo C. David, Gisela P. Padilla-Concepcion, Ernesto M. Pernia, Sarah Lynne S. Daway-Ducanes, Alfredo E. Pascual, and Bienvenido F. Nebres, S.J.
221

ARTICLE
Bioinformatics survey for candidate resistance genes in the Coffea canephora Ck-1 gene region
by Patricia Louise A. Yu, Nick Rainier S. Santos, Daisy May C. Santos, and Ernelea P. Cao
226

ARTICLE
Genotyping and assessment of microsatellite DNA markers for genetic diversity and potential forensic efficacy of Philippine Carabao (Bubalus bubalis) swamp buffalo
by Aivhie Jhoy DS. Escuadro and Lilian P. Villamor
235

ARTICLE
Changes in the abundance of Actinobacteria and Proteobacteria in soils impacted by mining activities
by Eleanor S. Austria, Jette Edcee A. Soto, Lisette Ludovice, Gil Gabriel S. Villancio, Christina Y. Loquere, Rey Y. Capangpangan, Fuh-Kwo Shiah
241

ARTICLE
Solution to the Three-Player Gambler’s Ruin with Variable Bet Size Using Recursions Based on Multigraphs
by Ramon Iñigo D. Marfil and Guido David
249

ARTICLE
Microencapsulation and Delivery of Pediococcus acidilactici 3G3 in Citrate-crosslinked Chitosan/Polyaniline Composite
by Joanne O. Ancajas and Leslie Michelle M. Dalmacio
257

REVIEW
The Gut Potential: exploring the modulatory effects of exercise and diet on the structure of the gut microbiota
by John Guiller P. Realin, Mia Beatriz C. Amoranto, and Marilen Parungao Balolong
267

PopSci ARTICLE
Taking Joy in the Work: A Profile of Dr. Cynthia Jameson
by Luis Wildredo Atienza
279

ARTICLE
A report on the small mammals in mixed-use urbanized habitats in the southern Central Cordillera, northern Luzon
by Aris A. Reginaldo, Perry S. Ong†, and Lawrence R. Heaney
282

ARTICLE
Molecular Characterization of SRY Gene in the Philippine Carabao (Bubalus bubalis) swamp buffalo populations
by Therese Patricka C. Cailipan and Lilian P. Villamor
291

ARTICLE
Genotype main effects and genotype × environment interaction (GGE) analysis for grain yield of the hybrid rice varieties under rain-prone environment
by Aldrin Y. Cantila and Isagane V. Boholano
297

2020

VOLUME 13 NUMBER 1 (January to June 2020)

LETTER TO THE EDITOR
Plastic in Freshwater Ecosytems: A looming crisis in the Philippines
by Michael Dann A. Superio and Neil Angelo S. Abreo
1

ARTICLE
Additive main effect and multiplicative interaction (AMMI) stability analysis for grain yield of 27 rice genotypes tested in six environments
by Aldrin Y. Cantila, Sailila E. Abdula, Jenalyn B. Imbat, and Alvin John R. Quitel
6

ARTICLE
Growth inhibition of Black Sigatoka pathogen, Pseudocercospora fijiensis (Morelet) Deighton, by preharvest and postharvest treatments of Cavendish Banana
by Abbeah Mae R. Navasca, Merahflor L. Cavite, Geneva S. Suarez, Carriza Mae S. Alagano, and Benny M. Corcolon
13

PopSci ARTICLE
COVID-19: What we know and don’t know and what to do
by Jorge Emmanuel
17

PopSci ARTICLE
Beyond the stench, bromine bodes well
by Elsie C. Jimenez
23

PopSci ARTICLE
Fake news – CoV: viral misinformation in the time of an epidemic
by Edsel Maurice T. Salvana
25

ARTICLE
Distribution and diet of the common palm civet (Paradoxurus philippinensis) in the Mt. Makiling Forest Reserve, Luzon Island, Philippines
by Anna Pauline O. de Guia, Geneva Carla S. Chavez, and Desamarie Antonette P. Fernandez
28

ARTICLE
Sociodemographic factors associated with nutrient intake of women living in urban areas
by Cecile Leah T. Bayaga, Yasmin Janina A. Serrano, Marietoni B. Pico, Demetria C. Bongga, and Alonzo A. Gabriel
34

ARTICLE
Interaction between VAM Rate and Radopholus similis (Cobb) Inoculation Density on the Growth of Micropropagated Cavendish Banana, Root Damage, and Nematode Reproduction Suppression
by Abbeah Mae R. Navasca, Joey I. Orajay, Nina M. Cadiz, Marilyn B. Brown, and Tiburcio T. Reyes
43

ARTICLE
Decolorization of methylene blue dye in distilled and river water samples using citrate-stabilized silver nanoparticles
by Francis Eric P. Almaquer, Fredeve John P. Pacatang, Joshua Emmanuel H. Pagulong, and Almie Jane P. Catulay
53

ARTICLE
Extent and determining factors of fertilizer applications and rice straw management in major irrigated rice areas of the Philippines
by Jehru C. Magahud, Sheena Lourdes P. Dalumpines, Pearl B. Sanchez, and Wilfredo B. Collado
61

COMMENTARY
Beyond-Health Pandemic Management: How can we better manage the ongoing COVID-19 pandemic, and those still to come?
by Noel L.J. Miranda, DVM, MSc, FPCVPH
70

FEATURE
The VIP CORALS Marine Repository Hub: Laying foundations for science and discovery in the VIP
by Najeen Arabelle M. Rula, Jayvee Ablaña Saco, Joshua M. Vacarizas, Jovy Ann Patchicoy Valera, Emilia Andrea V. Sabban,
and Romel U. Briones
72

VOLUME 13 NUMBER 2 (July to December 2020)

ARTICLE
Design of a subunit vaccine that could work against all four dengue serotypes
by Cecilia P. Mikita and Eduardo A. Padlan
76

ARTICLE
Structure of small non-flying mammal communities in disturbed habitats in the Central Cordillera, Luzon Island, Philippines
by Aris A. Reginaldo and Perry S. Ong†
81

ARTICLE
Is the value of anti-SARS-CoV-2 IgA antibody detection underappreciated in our current COVID-19 pandemic response?
by Ivan Christian VJ. Imperial, Giann Kerwin Y. Dellosa, and Joyce A. Ibana
95

ARTICLE
Determinants of Consumer Purchase Decision for Dragon Fruit and Guava and Implications for Value Chain Improvement
by Arjay A. Gerance, Dormita R. del Carmen, and Elda B. Esguerra
101

ARTICLE
Linking marketing of reef-sourced seafood with tourism: Potential for improving fisheries management
by Shielameh Peralta-Milan, Osamu Baba, and Severino G. Salmo III
113

ARTICLE
Variations in growth responses of rice varieties to inoculation with plant growth-promoting actinomycete
by Jayvee A. Cruz, Editha V. Evangelista, Alexandra R. Agpaoa, and Roel R. Suralta
124

FEATURE
Bridging the gap between people and Philippine coral diversity
by Wilfredo Y. Licuanan
130

COMMENTARY
Reorienting Human Capital Development for the Philippines: Creating and Capturing In-Country R&D Value through the Global Value Chains and Facilitating the Country’s Entry into the Fourth Industrial Revolution
by Joel L. Cuello
134

FEATURE
PAASE SETS EYES ON BROADLY RESILIENT PHILIPPINES
by Ireneo L. Lit Jr. and Mariano R. Sto. Domingo
137

ARTICLE
An optimized de Man Rogosa Sharpe-McCoy’s 5A medium formulation for the in vitro screening of cytotoxic effects by probiotic candidates against colorectal cancer cells
by Ranelle Janine L. Asi, Christian Luke D. Badua, Jason Bryan D. Atun, Joshua Ismael L. Lapus, Sheena May O. Lopez, Sonia D. Jacinto, Ahmad Reza F. Mazahery, and Marilen P. Balolong
139

ARTICLE
Analysis of the co-authorship network of Filipino researchers in deep learning
by Angelyn R. Lao, Unisse C. Chua, and Briane Paul V. Samson
148

ARTICLE
Prevention of H5N6 outbreaks in the Philippines using optimal control
by Abel G. Lucido, Robert Smith?, and Angelyn R. Lao
158

COMMENTARY
BELOW THE RADAR: PARADOXES IN PHILIPPINE STEM HUMAN RESOURCE DEVELOPMENT
by Christopher C. Bernido and M. Victoria Carpio-Bernido
174

COMMENTARY
On the book “Virtuous Impatience”. What Our Country Needs in this Fast-Changing World. A Collection of Essays
by Gisela P. Concepcion
181

ARTICLE
Vision-based human activity recognition via dispersion measures of spatiotemporal features
by Anton Louise P. De Ocampo and Elmer P. Dadios
183

ARTICLE
Automated feature extraction via deep neural network for support vector machine classifier applied in UAV-based human detection
by Anton Louise P. De Ocampo and Elmer P. Dadios
190

ARTICLE
Marilao-Meycauayan-Obando River System (MMORS) Harbors Multidrug-Resistant Bacteria Indicating High Risk of Antimicrobial Contamination
by Sarah Jean G. Supnet, Eloisa Victoria M. Caballero, Raymond H. Parcon, and Jessica F. Simbahan
198

ARTICLE
Molecular detection of Toxoplasma gondii in select cetaceans stranded in the Philippines in 2019
by Raphael Joshua C. De Guzman, Lemnuel V. Aragones, and Marie Christine M. Obusan
206

PopSci ARTICLE
Ichiban Everything!
by Imee Su Martinez
214

2019

VOLUME 12 NUMBER 1 (January to June 2019)

PopSci ARTICLE
The journey to a tick vaccine
by Luis Wilfrido Atienza
1

PopSci ARTICLE
Chemicals cleaning water
by Luis Wilfrido Atienza
3

PopSci ARTICLE
Powering up with algae
by Luis Wilfrido Atienza
5

PopSci ARTICLE
Scientists keeping an eye on mining
by Luis Wilfrido Atienza
7

REVIEW
Microbial oceanography studies in the context of climate change in the Philippines
by Deo Florence L. Onda, Mary Ann G. Santos, Donna de la Cruz- Papa, Aletta T. Yñiguez, Rhodora V. Azanza, and Maria Auxilia T. Siringan
9

PopSci ARTICLE
Fishing for new drugs
by Luis Wilfrido Atienza
24

PopSci ARTICLE
Work on vaccines continues
by Luis Wilfrido Atienza
26

PopSci ARTICLE
Mapping out plant disease
by Luis Wilfrido Atienza
29

ARTICLE
Yield improvement with compost amendment and Trichoderma microbial inoculant (TMI) in rice paddies inundated by copper-rich mine tailings
by Virginia C. Cuevas, Cirilo A. Lagman, Jr., Xavier Anupo, Joey I. Orajay, and Francas G.E. Malamnao
31

ARTICLE
Identification of cysteine knot peptides in four Philippine plant species using mass spectrometry and transcriptome analysis
by Bea A. Crisostomo, Arnelson Arwin G. Atis, Denise Noelle R. Mirano-Bascos, and Christine C. Hernandez
39

PopSci ARTICLE
A new kind of paper
by Luis Wilfrido Atienza
62

PopSci ARTICLE
Getting ahead of dengue
by Luis Wilfrido Atienza
64

PopSci ARTICLE
Watching the monkeys
by Luis Wilfrido Atienza
66

ARTICLE
Serology and DNA-based detection and serotyping of Actinobacillus pleuropneumoniae Pohl from backyard pigs in selected provinces of Luzon, Philippines
by Almagrace A. Velasquez, Therese Marie A. Collantes, Wenchie Marie L. Lumbera, Saubel Ezrael A. Salamat, Jaymee R. Encabo, Bernadette C. Mendoza, and Lucille C. Villegas
68

LETTER TO THE EDITOR
Accounting for science: Financial ratios as a tool for science research
by Red Thaddeus D. Miguel
80

ARTICLE
Utilizing data-based artificial intelligence to enable science-based models and dynamic feedback controllers to adapt to disasters
by Jose B. Cruz, Jr.
82

PopSci ARTICLE
Testing the tests
by Luis Wilfrido Atienza
92

ARTICLE
Identifying potential upper mesophotic coral ecosystems in Masinloc, Zambales, Philippines using recreational-grade side scan sonars
by Paul Caesar M. Flores, Fernando P. Siringan, Ritzelle L. Albelda, Kevin Thomas B. Go, and Patrick C. Cabaitan
95

VOLUME 12 NUMBER 2 (July to December 2019)

PopSci ARTICLE
Advancing farms and farmers
by Luis Wilfrido Atienza
102

FEATURE
Birthing a mathematical biology community in the Philippines
by Jomar F. Rabajante, Christian Joel D.M. Custodio, Ariel L. Babierra, Juancho A. Collera, Aurelio A. de los Reyes V., Ricardo C.H. del Rosario, Noel T. Fortun, Editha C. Jose, Angelyn R. Lao, May Anne E. Mata, Victoria May P. Mendoza, Racquel U. Tabornal, and Jerrold M. Tubay
104

ARTICLE
Growth of rice, PSB Rc 82, and status of nutrients in lowland Agusan soil under alternate wetting and drying and minus-one-element conditions
by Jehru C. Magahud, Sheena Lourdes P. Dalumpines, Agapito E. Lincuna, Jr., and Gerardo F. Estoy, Jr.
107

ARTICLE
Post-disturbance carbon stocks and rates of sequestration: Implications on “blue carbon” estimates in Philippine mangroves
by Severino G. Salmo III and Eunice Lois D. Gianan
122

ARTICLE
Can we design a subunit vaccine against dengue that will work against all serotypes?
by Cecilia P. Mikita and Eduardo A. Padlan
133

ARTICLE
Invariance of selected Pareto-optimal multi-attribute information systems for various application environments in designated subspace of the weight space
by Jasmin D. Niguidula, Jonathan M. Caballero, and Jose B. Cruz, Jr.
139

ARTICLE
Water quality and weather trends preceding fish kill occurrences in Lake Taal (Luzon Is., Philippines) and recommendations on its long-term monitoring
by Milette U. Mendoza, Gaël Dur, Maurita R. Rosana, Mudjekeewis D. Santos, Ma. Theresa M. Mutia, Nenita S. Kawit, Michelle O. Ite, Leah S. Villanueva, Orlane Anneville, Sami Souissi, and Rey Donne S. Papa
147

ARTICLE
Summer phytoplankton community structure and distribution in a mariculture-affected coastal environment
by Ritzelle L. Albelda, Daniel John E. Purganan, Norchel Corcia F. Gomez, Bienson Ceasar de Vera Narvarte, Paolo Carlo Calalang, Tom Gerald T. Genovia, Erika Grace M. Gernato, Karen Grace V. Bondoc, Maria Lourdes San Diego-McGlone, and Deo Florence L. Onda
157

ARTICLE
Phenotypic evaluation of floral characteristics for predicting the components of longer floral retention in Hibiscus rosa sinensis L. hybrids
by Pablito M. Magdalita, Jonard C. Valdoz, Alangelico O. San Pascual, and Rachel C. Sotto
167

2018

VOLUME 11 NUMBER 1 (January to June 2018)

PopSci ARTICLE
Chemicals cleaning water
by Luis Wilfrido Atienza
1
ARTICLE
New locality records for Mesocyclops Sars, 1914 and Thermocyclops Kiefer, 1927 in Luzon and Mindanao Islands in the University of Santo Tomas – Zooplankton Reference Collection (UST-ZRC)
by Erica Silk P. Dela Paz and Rey Donne S. Papa
3
PopSci ARTICLE
A look into invasion
by Luis Wilfrido Atienza
10
PopSci ARTICLE
Watching the skies
by Luis Wilfrido Atienza
12
PopSci ARTICLE
Ready for anything
by Luis Wilfrido Atienza
14
PopSci ARTICLE
The secret to life in the tropics
by Luis Wilfrido Atienza
17
Letter to the Editor
Marine plastics in the Philippines: a call for research
by Neil Angelo S. Abreo
20
ARTICLE
Distribution and diet of small non-volant mammals along elevational gradients of Mt. Banahaw
by Anna Pauline O. de Guia, Nikki Dyanne C. Realubit, and Julius Caesar A. Jaluague
22
ARTICLE
Not fish in fish balls: fraud in some processed seafood products detected by using DNA barcoding
by Katreena P. Sarmiento, Jacqueline Marjorie R. Pereda, Minerva Fatimae H. Ventolero, and Mudjekeewis D. Santos
30
PopSci ARTICLE
Bacterial Power
by Luis Wilfrido Atienza
37
REVIEW
Recent advances in Blastocystis sp. research
by Davin Edric V. Adao and Windell L. Rivera
39
VOLUME 11 NUMBER 2 (July to December 2018)
ARTICLE
When is the Pareto choice from a finite set invariant to variations in weight and values of multiple performance criteria?
by Jose B. Cruz, Jr. and Elvin Michael R. Almario
61
PopSci ARTICLE
Safer Surfaces
by Luis Wilfrido Atienza
71
PopSci ARTICLE
Exploring a New Industry
by Luis Wilfrido Atienza
73
ARTICLE
Silver Nanoparticles Extracellularly Produced by Serratia sp. NBL1001 Have Antibacterial Properties
by Mary Faith Y. Adan, Zyne K. Baybay, Nacita B. Lantican, Lilia M. Fernando, Erlinda S. Paterno, Lucille C. Villegas, Leodevico L. Ilag, and
Andrew D. Montecillo
75
PopSci ARTICLE
The History of Seas
by Luis Wilfrido Atienza
84
PopSci ARTICLE
Rethinking Classifications
by Luis Wilfrido Atienza
86

2017

VOLUME 10 NUMBER 1 (January to June 2017)

EDITORIAL
Returning to What was Essentially Good - Welcome back PHILIPPINE SCIENCE LETTERS!
by Gisela Padilla-Concepcion
i
ARTICLE
The abundance and morphometric characteristics of the endemic Pseudodiaptomus brehmi Kiefer, 1938 (Copepoda: Calanoida: Pseudodiaptomidae) in Lake Taal (Luzon Is., Philippines)
by Rey Donne S. Papa, Kenoses L. Legaspi, Cedie G. Blaza, Francesca S. Lirio, Nehemiah Gerold P. Bangalan, and T. Chad Walter
1
ARTICLE
Low extracellular calcium and retinoic acid concentration promotes adipocyte differentiation in 3T3-L1 preadipocytes
by Joseph dela Cruz, Seok Geun Choi, Young Kyoon Oh, and Seong Gu Hwang
8
ARTICLE
Non-differential DNA extraction of post-coital samples submitted as evidence for investigating sexual assault cases in the Philippines
by Jae Joseph Russell B. Rodriguez, Gayvelline C. Calacal, Rita P. Laude, and Maria Corazon A. De Ungria
14
ARTICLE
Genome Shuffling for Improved Thermotolerance, Ethanol Tolerance and Ethanol Production of Saccharomyces cerevisiae 2013
by Fredmoore L. Orosco, Sean M. Estrada, Jessica F. Simbahan, Francesca S. Lirio, Virgie A. Alcantara, and Irene G. Pajares
22
ARTICLE
A dynamical analysis of tuberculosis in the Philippines
by King James B. Villasin, Angelyn R. Lao, and Eva M. Rodriguez
29
ARTICLE
Notes on Ceramium Roth and Gayliella TO Cho, LJ McIvor et SM Boo (Rhodophyta, Ceramiaceae) from the Philippines
by Elvie Jane C. Lagan, Gavino C. Trono, Jr.
38
ARTICLE
A Hybrid method for protein complex prediction in weighted protein- protein interaction networks
by Jerome Cary Beltran, Catalina Montes, John Justine S. Villar, Adrian Roy L. Valdez
50
ARTICLE
Genetic diversity within and among natural populations of five gobies based on cytogenetic and isozyme analyses
by Riaflor M. Alcabedos, Celia B. Dela Viña, Roberto C. Reyes, and Rita P. Laude
58
REVIEW
D-amino acid-containing peptides in Conus venoms
by Elsie C. Jimenez
72
VOLUME 10 NUMBER 2 (July to December 2017)
ARTICLE
Butachlor biodegradation potential of fungi isolated from submerged wood and surface water collected in Taal Lake, Philippines
by Mark B. Carascal, Marlo Jose G. del Rosario, Kin Israel R. Notarte, Fahrul Huyop, Takashi Yaguchi, and Thomas Edison E. dela Cruz
81
ARTICLE
Cytotoxic property of Streptocaulon baumii extracts and their isolated compounds against different human cancer cell lines
Arlene P. Bartolome, Irene M. Villaseñor, Yea-Lih Lin, M. Daben J. Libardo, Alfredo M. Angeles-Boza and Wen-Chin Yang
89
PopSci ARTICLE
How plants breathe: A mathematical approach
Luis Wilfrido Atienza
98
PopSci ARTICLE
Neural Networks on the Job
Luis Wilfrido Atienza
101
PopSci ARTICLE
From giant shipworms to biofuels
Jo Florendo Lontoc
103
PopSci ARTICLE
UP study offers clues to ancient biodiversity, early human movement in Southeast Asia
Maria Cynthia Rose Banzon Bautista, Victor Paz and Alice Ross Morta
106
PopSci ARTICLE
A Coral’s Genetic Response to Stress
Luis Wilfrido Atienza and Cecilia Conaco, PhD.
109
PopSci ARTICLE
Crossing Boundaries in Biology
Luis Wilfrido Atienza
111
PopSci ARTICLE
Putting Together Synthetic Biology
Luis Wilfrido Atienza
115
ARTICLE
Non-entire Solutions of the Generalized Dhombres and Related Equations
Rheadel G. Fulgencio and Jose Ernie C. Lope
116
PopSci ARTICLE
Plants fight back
Luis Wilfrido Atienza
119
PopSci ARTICLE
Investigating one of the world’s deadliest substances
Luis Wilfrido Atienza
121
ARTICLE
The antimicrobial action of silver nanoparticles on Escherichia coli as revealed by atomic force microscopy
Eloise I. Prieto and Analiza A. Kiat
123-129

2016

INTERNATIONAL JOURNAL OF PHILIPPINE SCIENCE AND TECHNOLOGY

VOLUME 9 NUMBER 1 (January to June 2016)

WHITE PAPER
Knowledge-Based Development and Governance: Challenges and Recommendations to the Duterte Administration, 2016-2022
University of the Philippines (Alfredo E. Pascual, Gisela Padilla-Concepcion, Ernesto M. Pernia, Jose Y. Dalisay, Edna E.A. Co,
Alice Ross T. Morta, Jeanena Mae E. Rafer, and Lea Marie F. Diño)
1

ARTICLE
Adsorbate-induced demagnetization: borohydride on magnetic substrates
Ryan Lacdao Arevalo, Mary Clare Sison Escaño, Allan Abraham Bustria Padama, and Hideaki Kasai
10

ARTICLE
Grain quality of rice in selected retail stores and supermarkets in the Philippines
Arvin Paul P. Tuaño, Manuel Jose C. Regalado, and Bienvenido O. Juliano
15

SHORT COMMUNICATION
Identification of prohibited red piranha, Pygocentrus nattereri (Kner 1858) from confiscated juvenile fish in Manila, Philippines
Katreena P. Sarmiento, Minerva Fatimae H. Ventolero, and Mudjekeewis D. Santos
23

2015

INTERNATIONAL JOURNAL OF PHILIPPINE SCIENCE AND TECHNOLOGY

VOLUME 8 NUMBER 1 (January to June 2015)

EDITORIAL
International Journal of Philippine Science and Technology
Gisela Padilla-Concepcion and David Hall
1

WHITE PAPER
Philippines Innovation Ecosystem Assessment: Executive Summary
Science, Technology, Research and Innovation for Development (STRIDE)
2

FEATURE
A Scientist’s Primer to Benito Vergara National Scientist
Clarissa C. David
8

REVIEW
Population, economic growth, and inclusivity
Ernesto M. Pernia and Elena E. Pernia
12

ARTICLE
Symmetry-breaking bifurcations in two mutually delay-coupled lasers
Juancho A. Collera
17

ARTICLE
Ordinal regression analyses of breastfeeding duration in the Philippines
Jesper L. Abolencia, Ananias G. Quipit, Jr., Robert Neil F. Leong, and Frumencio F. Co
22

ARTICLE
New records of an Invasive Calanoid Copepod, Arctodiaptomus dorsalis (Marsh, 1907) in freshwater ecosystems in the Bicol Peninsula (Luzon Is., Philippines)
Eric Zeus C. Rizo, Jhaydee Ann F. Pascual, Duke Jesse B. Dy, Lorenzo Jose A. Labicane, Clarice B. Trinidad, and Rey Donne S. Papa
27

ARTICLE
An assessment of chronotype and social jetlag among Filipinos
Roselyn Gabud, Gayline Manalang, Jr., Richard Bryann Chua, Eduardo Mendoza, Jingky Lozano-Kühne
31

POP SCIENCE
Rubbing Elbows with Nobel Laureates and Japanese Royalty
Imee Su Martinez
41

ARTICLE
Electrical properties of an individual ZnO micro/nanorod
Alexandra B. Santos-Putungan, Leonalyn M. Bambao, and Roland V. Sarmago
43

ARTICLE
Biochemical and molecular characterization of two 11S globulin isoforms from coconut and their expression analysis during seed development
Kristian Mark P. Caldo, Roberta N. Garcia, and Evelyn Mae Tecson-Mendoza
46

ARTICLE
Finding the optimal dose for psoriasis ultraviolet radiation therapy through multi-objective evolutionary optimization on a skin model
Arjay C. Cayetano, Francisca C. Roa, Eduardo R. Mendoza, and Prospero C. Naval, Jr.
52

POP SCIENCE
Sustained Global Attention to Emerging Pandemic Threats and Risks: The need to strengthen One Health systems and Whole-of-Society preparedness
Noel Lee J. Miranda
58