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Submissions from 2024

Graphene-titanium dioxide (TiO2-G) nanocomposite based hypoxanthine (Hx) sensor for assessment of meat freshness, Jasmine Angelie V. Albelda, Aytekin Uzunoglu, Gil Nonato C. Santos, and Lia A. Stanciu

Kaolin clay, a particle film, against Helopeltis collaris (Hemiptera: Miridae) a major pest of cacao in the Philippines: A preliminary assessment, Divina M. Amalin, Lani Averion, Dennis Bihis, Jesusa C. Legaspi, and Edward F. David

Quantifcation of peracetic acid (PAA) in the H2O2 + acetic acid reaction by the wavelength shift analysis in near‐UV/visible absorption region, Guan-Yu Chen, Yueh-Hsin Lin, Cheng-Hsin Fu, Cheng-Huang Lin, Balaganesh Muthiah, Wilfred V. Espulgar, Gil Nonato C. Santos, Derrick Ethelbhert C. Yu, and Toshio Kasai

Population densities of understorey birds across a habitat gradient in Palawan, Philippines: Implications for conservation, Neil Aldrin D. Mallari, Nigel J. Collar, David C. Lee, Philip J.K. McGowan, Roger Wilkinson, and Stuart J. Marsden

Vegetation inventory on Ilin Island, SW Mindoro, Philippines, Emelina H. Mandia

2004 ascent of Mt. Halcon: A short report and urgent appeals, Emelinda H. Mandia

Assessing algebraic conceptions on functions: An instrument presentation, Pauline Anne Therese M. Mangulabnan

Semantic and syntactic: Filipino high school students' reversal errors in translating mathematical word problems into algebraic equations, Pauline Anne Therese M. Mangulabnan

Enhancing CBRM strategies in some selected lakeshore communities along Laguna de Bay, Charito P. Medina and Peter G. Gonzales

Beliefs about physics learnerning physics: A profile of (no-maor in physics high school physics teachers, Voltaire Mallari Mistades

E-learning resources and cognitive expectations in introductory physics, Voltaire Mallari Mistades

E-learning students' cognitive expectations in introductory physics, Voltaire Mallari Mistades

Student expectations in a general education physics course taught using a transformative-learning paradigm, Voltaire Mallari Mistades

Effects of copper content and pelletizing pressure on the XRD patterns of melt-quenched Bi1.6Pb0.4Sr2Can-1CunOy ceramics, Michelle T. Natividad, Shirley Tiong Palisoc, and Ma. Cecilia A. del Mundo

Modal analysis of teflon photonic crystal fiber waveguide in terahertz frequency region, Romeric F. Pobre, G. A. Diwa, E. S. Estacio, S. Ono, H. Murakami, and N. Sarukura

Molecular docking studies on the interaction of the Cryptosporidium parvum protein, CpCDPK1, with selected plant compounds, Rupert C. Quijano Jr., Ivan Gregg O. Samson, Laurence Lim, and Frances Cagayan Recuenco

Molecular docking studies on the interaction of Plasmodium falciparum PfRH5 protein with selected antimalarial drugs, Frances Cagayan Recuenco and Mariam C. Recuenco

Rapid rural systems appraisal (RRSA) diagnostic and design tool for upland development projects, Percy E. Sajise, Ma. Victoria O. Espaldon, Leonardo M. Florence, and Charito P. Medina

Exploring novel applications for hydrogels derived from modified celluloses, Feiyang Wang, Aldo Borjas, Aldrin P. Bonto, Alina Violeta Ursu, Maxime Dupont, Jane Roche, and Cedric Delattre

Submissions from 2023

Efficiency of a self-organizing Ising model of financial markets, Jude Maria V. Antenorcruz and Rene C. Batac

Unusual mass strandings of melon headed whales in Bataan and Romblon, Lemnuel V. Aragones, Mary Anne A. Roque, Nelson Bien, and Marvin Raniada

Philippine marine mammal stranding from 1998 to 2009, Lemnuel V. Aragones, Mary Anne A. Roque, Mariel B. Flores, Richard P. Encomienda, Bianca G. Espinos, Edwyn B. Alesna, Francis E. Maniago, and Gail E. Laule

Roles of virtual screening and molecular dynamics simulations in discovering and understanding antimalarial drugs, Searle Aichelle S. Duay, Rianne Casey Y. Yap, Arturo L. Gaitano II, June Alexis A. Santos, and Stephani Joy Y. Macalino

A molecular approach to food design: Coconut milk as dairy milk substitute in some common dishes, Leonel S. Enriquez

A primer of higher education and its importance to national development, Salvador R. Gonzalez

A primer on higher education and its importance to national development, Salvador R. Gonzalez

Flavonoid contents of some conventional and unconventional plant samples, Ariel John D. Grona, Therese Marie S. Rosbero, and Anamy Ma. C. Paano

A critique of articles entitled the topology of evolutionary biology and quasi-independence, homology and the unity of type: A topological theory of characters, Angelyn R. Lao

A manual in using Mathematica as an aid in teaching Math 111 to Math 116, Anita C. Ong

A course kit in analytic geometry, Arlene A. Pascasio

A course kit in MATH114, Arlene A. Pascasio

I-V characteristics of electrodeposited PPy(p-TS)/n-silicon, Reuben V. Quiroga, C. Banaag, Ofelia T. Rempillo, Enrique M. Manzano, and Maria Carla F. Manzano

Submissions from 2022

Science links: Physics, Marites D. Aquino, Jonna M. Abistado, and Rex S. Forteza

Characterization of airborne fine particulate matter by air sampling and electron microscopy during the 2004 New Year fireworks celebration in Manila, Eric B. Bangsal, Ernest P. Macalalad, Juan Carlos Q. Uy, Tanglaw A. Roman, Edgar A. Vallar, and Maria Cecilia D. Galvez

GeoGebra for mathematics and statistics education, Paolo Lorenzo Y. Bautista

Irreducible T-modules with endpoint r, and the Q-polynomial property, Paolo Lorenzo Y. Bautista

Lecture notes in probability theory, Paolo Lorenzo Y. Bautista

Lecture notes on hypothesis testing and estimation, Paolo Lorenzo Y. Bautista

Constructivism in chemistry teaching, Drexel H. Camacho

Synthesis of new materials through metal catalyzed reactions of C-C multiple bonds, Drexel H. Camacho

One-third of reef-building corals face elevated extinction risk from climate change and local impacts, Kent E. Carpenter, Muhammad Abrar, Greta Aeby, Richard B. Aronson, Stuart Banks, Andrew Bruckner, Angel Chiriboga, Jorge Cortés, J. Charles Delbeek, Lyndon DeVantier, Graham J. Edgar, Alasdair J. Edwards, Douglas Fenner, Héctor M. Guzmán, Bert W. Hoeksema, Gregor Hodgson, Ofri Johan, Wilfredo Roehl Y. Licuanan, Suzanne R. Livingstone, Edward R. Lovell, Jennifer A. Moore, David O. Obura, Domingo Ochavillo, Beth A. Polidoro, William F. Precht, Miledel C. Quibilan, Clarissa Reboton, Zoe T. Richards, Alex D. Rogers, and Jonnell Sanciangco

Tegumental studies of adult Fasciola gigantica (giant liver fluke) from Philippine carabaos (Bubalus bubalis) using scanning electron microscopy for lead bio-indicator analysis, Aimee Caye G. Chang and Mary Jane C. Flores

Impact of antimicrobial use on the antibiotic resistance of Escherichia coli isolates from chickens and fish grown on integrated fish farms, Marichu Florence A. Ciceron, Jose Miguel del Prado, Jeryl Jack Echauz, and Esperanza C. Cabrera

Biodiversity of species of hard ticks (Family Ixodidae) infesting water buffaloes and cattle raised in six study sites in Bulacan, and the association of tick presence with detection babesiosis, Florencia G. Claveria and Mary Jane C. Flores

Glutathione supplementation: An overview, Carlo C. dela Seña

Clastogenicity and antimutagenicity of coconut oil, Ramon S. del Fierro

Growth and structure evolution of SnO2 nanomaterial, Ronald B. De Los Reyes, Prane Mariel B. Ong, V. Ngo, Gil Nonato C. Santos, and Reuben V. Quiroga

Reaction profile and thermal properties of SnO2 nanomaterial, Ronald B. De Los Reyes, Emmanuel T. Rodulfo, Nikko P. Quevada, Gil Nonato C. Santos, and Reuben V. Quiroga

Mortalin - A driver on the crossroads of stress, aging and carcinogenesis, Custer C. Deocaris, Sunil C. Kaul, Kazunari Taira, and Renu Wadhwa

Profiling of oligosaccharides and p53 gene mutation in Filipino breast tumors, Custer C. Deocaris, Jose Donato A. Magno, Michael Joseph B. Cruz, Abelardo-Alan T. Prodigalidad, Azucena C. De Vera, and Sonia D. Jacinto

Electrophoretic studies on induced gynogenetic diploids and triploids in tilapia (O. niloticus and O. aureus), Maria Rowena R. Eguia

Tick infestation in livestock and density in grazed pastures as influenced by local environmental factors and farm management practices in Salikneta Farm, Bulacan, Mary Jane C. Flores

Detection of five polymorphic populations of Boophilus microplus (family Ixodidae) infesting cattle in two pastures with different management practices in Cavite, Philippines, Mary Jane C. Flores and Florencia G. Claveria

Roald Hoffman: The wandering theoretical organic chemist: A review, Francisco C. Franco

Studies on crystal surface defects: Effects to surface chemical reactions and surface electronic properties, Francisco C. Franco Jr., Michio Okada, Hikaru Kobayashi, and Daichi Yamazaki

Final report of the Lake Manguao Aquatic Biodiversity Conservation Project in Palawan, Philippines, Hendrik Freitag

Properties of Eu2+ cryptates and their implications to the development of contrast agents for magnetic resonance imaging, Joel Garcia

Cooperative games and solution concepts, Mark Anthony A. Garcia

Game theory preliminary concepts, Mark Anthony A. Garcia

Interval estimation of parameters, Mark Anthony A. Garcia

Probability, Mark Anthony A. Garcia

Duality of the matrix transpose and matrix conjugate inverse maps, Daryl Q. Granario

Structures of perovskite-related layered AnBnO3n+2, Jonathan Guevarra, Sander van Smaalen, Nicola Rotiroti, and Frank Lichtenberg

Number and types of fishing gears in San Miguel Bay: Trends over time and space, Vincent V. Hilomen, Cesar Z. Luna, Francisco S.B. Torres Jr., Joselito Fragillano, Michael Cuesta, Juliet Jovellano, Homar Murillo, and Rose Crusio

Biogeographical notes on the moss floras of Bicol Peninsula in Luzon and the Catanduanes Islands, the Philippines, Virgilio C. Linis

Development of Liewik, academic software, for problem solving in physics, M. K. S. Maano, Wilfred V. Espulgar, J. A. D. Morano, L. V. Catris, Gil Nonato C. Santos, and Reuben V. Quiroga

Temporal and spectral variation of aerosol optical depth (AOD) over Manila, Ernest P. Macalalad, Juan Carlos Q. Uy, Eric B. Bangsal, Edgar A. Vallar, and Maria Cecilia D. Galvez

A computer based laboratory experiment on urbanization and land use using SPARK and My World GIS, Grethel A. Mende, Ruby Michelle N. Buot, Arra Quitaneg, Wilfred V. Espulgar, and Gil Nonato C. Santos

Linking the special orthogonal algebra so4 and the tetrahedron algebra, John Vincent S. Morales

Triterpenes and sterols from leaves of Hoya meliflua Merr, Vincent Antonio S. Ng, Raymond S. Malabed, Fernando B. Aurigue, and Consolacion Y. Ragasa

Characterization of Philippine drug-susceptible and multi-drug resistant mycobacterium tuberculosis isolates through combined 15-locus MIRU-VNTR genotyping and mutation analysis of drug resistance genes, Crist John M. Pastor, Nelia S. Tan-Liu, Maria Teresa A. Barzaga, Dario D. Defensor, Christopher T. Romano, Elsie Marie B. Dela Cruz, Francisco S. Chung Jr., Salvador Eugenio C. Caoili, and Francisco M. Heralde III

Growth and DNA damage in young Laminaria sporophytes exposed to ultraviolet radiation: Implication for depth zonation of kelps on Helgoland (North Sea), Michael Y. Roleda, Dieter Hanelt, and Christian Wiencke

Towards a multi-wavelength depolarization lidar using a coherent white light continuum, Toshihiro Somekawa, Chichiro Yamanaka, Masayuki Fujita, and Maria Cecilia D. Galvez

Photoluminescence and fluorescence of SnO2 nanostructures, S. Sowl, A. Co, Alvin Noe C. Ladines, Ronald B. De Los Reyes, Romeric F. Pobre, and Reuben V. Quiroga

Optimal growth synthesis of SnO2 nanostructures grown on silicon (100) substrate, S. Sowl, Ronald B. De Los Reyes, Gil Nonato C. Santos, Norberto T. Alcantara, and Reuben V. Quiroga

Evaluation of 16S rRNA gene PCR and culture of buffy coat, 16srRNA gene PCR of whole blood in comparison with whole blood culture for detection of bacteremia, Demetrio L. Valle Jr., Jeannie I. Andrade, Esperanza C. Cabrera, and Windell L. Rivera

Human lung fibroblasts exhibit induced inflammation memory via increased IL6 gene expression and release, Jennifer Maries Go Yap, Takashi Ueda, Yoshihiro Kanemitsu, Norihisa Takeda, Kensuke Fukumitsu, Fukuda Takehiro, Satoshi Fukuda, Takehiro Uemura, Tomoko Tajihiri, Hirotsugu Ohkubo, Ken Maeno, Yutaka Ito, Testsuya Oguri, Shinya Ugawa, and Akio Niimi

Submissions from 2021

Comparison of morphometric identification of species in juvenile mangrove crabs (genus Scylla) by automated and local approaches, Chona Camille V. Abeledo, Kenneth Jay Solis, Anthony D. Angeles, Joseph Emmanuel C. Valdez, Courtney Anne M. Ngo, and Ma. Carmen A. Lagman

Size reduction of taro (Colocasia esculenta L. Schott) starch through sonification and nano precipitation, Iris Joy V. Abrigo, April Shayne L. Sulabo, Adeliza Abaño Dorado, Floirendo P. Flores, and Veronica P. Migo

Ultrafast carrier dynamics and THz conductivity in epitaxial-grown LT-GaAs on silicon for development of THz photoconductive antenna detectors, Jessica Afalla, Gerald Catindig, Alexander De Los Reyes, Elizabeth Prieto, Maria Angela Faustino, Victor Vistro, Karl Cedric Gonzales, Hannah Bardolaza, Valynn Katrine Mag-Usara, Horace Andrew Husay, Joselito Muldera, Neil Irvin Cabello, John Paul Ferrolino, Hideaki Kitahara, Armando Somintac, Arnel A. Salvador, Masahiko Tani, and Elmer Estacio

A silver(I) complex of acetylsinigrin: Structure and myrosinase-like activity, Laurenzo De Vera Alba, Tsubasa Hatanaka, Francisco C. Franco Jr., Masaki Nojiri, Marissa G. Noel, and Yasuhiro Funahashi

Complex formation of silver(I) ions with a glucosinolate derivative: Structural and mechanistic insights into myrosinase-mimicking C-S bond cleavage, Laurenzo De Vera Alba, Tsubasa Hatanaka, Francisco C. Franco Jr., Masaki Nojiri, Marissa G. Noel, and Yasuhiro Funahashi

A bioclimate-based maximum entropy model for Comperiella calauanica barrion, Almarinez and Amalin (Hymenoptera: Encyrtidae) in the Philippines, Billy Joel M. Almarinez, Mary Jane A. Fadri, Richard Lasina, Mary Angelique A. Tavera, Thaddeus M. Carvajal, Kozo Watanabe, Jesusa C. Legaspi, and Divina M. Amalin

A breadth-first search tree construction for multiplicative circulant graphs, John Rafael M. Antalan and Francis Joseph H. Campeña

HER2/neu expression in patients with primary uterine endometrial carcinomas in Batangas Medical Center, Philippines, D.A. R. Bacong and Gerard Anthony M. Espiritu

Per- and polyfluoroalkyl substances (PFAS) as contaminants of emerging concern in Asia’s freshwater resources, Jobriell C. Baluyot, Emmanuel Marc Reyes, and Michael C. Velarde

SCIENVP long exam 1, Joseph Raphael R. Bunao

Weaving a wider spidersilk: Optimizing ads placement using web crawl data, Joel Caballa, Christian Angelo Delariarte, Kevynn P. Delgado, and Norbert Gerena

On efficient zero ring labeling and restricted zero ring graphs, Francis Joseph H. Campeña, Dhenmar E. Chua, Floresto A. Franco Jr., and Jon-jon A. Casica

Computer-aided screening for potential inhibitory compounds against a Klebsiella pneumoniae local isolate containing SHV-1 and CTX-M antibiotic resistance genes, Anna Castro, Jamie Bernadette Sy, Stephani Joy Y. Macalino, Nadia Morales, Princess Alyssa Abid, Junie Billones, and Maria Constancia Carrillo

Online cross-sectional survey on the plight of patients with diabetes mellitus regarding primary self-care during the first COVID-19 enhanced community quarantine in Metro Manila from March to May 2020, Annika Myona P. Dablio, Jack C. Elinzano, Faye Beatrice V. Ervas, Ivy Katrina K. Malañgen, and Rosita Roldan Gan

Volatile organic compound profiling of Capsicum annuum var. longum grown under different concentrations of nitrogen, Yokimiko C. David, Jhoyel B. Ylagan, Helenar A. Gonzales, Jan Michael P. Chan, John Martin S. Mondragon, Ma. Angelique A. Tavera, and Mark Christian Felipe R. Redillas

Attraction of cacao mirid bug (Helopeltis bakeri Poppius) to feeding attractant β-Caryophyllene using wind tunnel behavioral bioassay, Maria Criselda V. Dela Cruz, Mary Angelique A. Tavera, Divina M. Amalin, and Jose Isagani B. Janairo

Field testing updates on the control of the cacao mirid bug, Heliopeltis bakeri Poppius, Maria Criselda V. Dela Cruz, Mary Angelique A. Tavera, Divina M. Amalin, and Jose Isagani B. Janairo

Microbes for sustainable agriculture: Isolation and identification of beneficial soil- and plant-associated microorganisms, Thomas Edison E. Dela Cruz, Hannah Jane F. Din, and Jeane Aril Dela Cruz

Pink pigmented facultative methylotrophic isolated from fermented Philippine shrimp paste, Christian Jordan O. Dela Rosa, Anthony C. Lee, and Windell L. Rivera

Antok ka na ba? Detecting drowsiness in video feeds, Kevynn P. Delgado

Use of polarimetric lidar for the study of oriented ice plates in clouds, Massimo Del Guasta, Edgar C. Vallar, Olivier Riviere, Francesco Castagnoli, Valerio Venturi, and Marco Morandi

Low-loss single-mode terahertz waveguiding using Cytop, Glenda De Los Reyes, Alex Quema, Carlito Ponseca, Romeric F. Pobre, Reuben Quiroga, Shingo Ono, Hidetoshi Murakami, Elmer Estacio, Nobuhiko Sarukura, Ko Aosaki, Yoshihiko Sakane, and Hideki Sato

The role of molecular dynamics simulations in elucidating interactions between antimicrobial peptides and model biological membranes, Searle Aichelle S. Duay