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Submissions from 2018

Repetitive substitution tilings with respect to rigid motions, April Lynne D. Say-Awen, Ma. Louise Antonette N. De las Peñas, and Dirk Frettlöh

A family of aperiodic tiling with infinitely many orientations, April Lynne D. Say-Awen, Dirk Frettlöh, and Ma. Louise Antonette N. De Las Peñas

Synsepalum dulcificum extracts exhibit cytotoxic activity on human colorectal cancer cells and upregulate c-fos and c-jun early apoptotic gene expression, Jichang Seong, Glenn G. Oyong, and Esperanza C. Cabrera

Electronic structure mechanism of axial ligands on itinerant electrons and negative magnetoresistance in axially-ligated iron(III) phthalocyanine molecular conductors, Eiza Shimizu and Derrick Ethelbhert Yu

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Susceptibility kinetic profile of Candida albicans biofilm on latex silicone surfaces with antifungal azoles, D. E. P. Sumalapao, C. Rippey, H. B. P. Atienza, Esperanza C. Cabrera, Mary Jane C. Flores, Divina M. Amalin, M. T. Altura, and Nina G. Gloriani

Tolerance of mung bean (Vigna radiata (l.) wilczek) to lactic acid, a potential herbicide: Growth and morphology, Derick Erl P. Sumalapao, Caireen G. Tuppil, Anton Angelo C. Urtula, Duane M. Valdestamon, Leoncia Marie D. Villanueva, and Nadine Adellia A. Ledesma

Inducible nitric oxide synthase inhibitor 1400W increases Na + ,K + - ATPase levels and activity and ameliorates mitochondrial dysfunction in Ctns null kidney proximal tubular epithelial cells, Rodolfo E. Sumayao Jr., Philip Newsholme, and Tara McMorrow

The role of cystinosin in the intermediary thjiol metabolism and redox homeostasis in kidney proximal tubular cells, Rodolfo E. Sumayao Jr., Philip Newsholme, and Tara McMorrow

Inducible nitric oxide synthase inhibitor 1400W increases Na+,K+-ATPase levels and activity and ameliorates mitochondrial dysfunction in Ctns null kidney proximal tubular epithelial cells, Rodolfo Sumayao, Philip Newsholme, and Tara McMorrow

The role of cystinosin in the intermediary thiol metabolism and redox homeostasis in kidney proximal tubular cells, Rodolfo Sumayao, Philip Newsholme, and Tara McMorrow

Quality of life and Parkinson's disease: Philippine translation and validation of the Parkinson's disease questionnaire, Cezar Thomas R. Suratos, Gerard Raimon M. Saranza, Derick Erl P. Sumalapao, and Roland Dominic G. Jamora

Green synthesis of silver nanoparticles (AgNPs) from Lenzites betulina and the potential synergistic effect of AgNP and capping biomolecules in enhancing antioxidant activity, Marion Ryan C. Sytu and Drexel H. Camacho

Paper-based electrode using Cladophora cellulose-polyaniline composite for electrochemical quantification of toxic lead (II), Daisylyn Senna Y. Tan, Melanie Grace W. Impas, Drexel H. Camacho, and Shirley T. Palisoc

Chemical characterization of Berberis vulgaris L. Var. asperma edible berries, Maria Carmen S. Tan, Irving D. Chiong, Mary Stephanie S. Carranza, Regina M. Salmasan, and Glenn G. Oyong

Cytotoxic activities of the dichloromethane extracts from Andrographis paniculata (Burm. f.) nees, Maria Carmen S. Tan, Glenn Oyong, Chien Chang Shen, and Consolacion Y. Ragasa

Glycosylated and non-glycosylated quantum dot-displayed peptides trafficked indiscriminately inside lung cancer cells but discriminately sorted in normal lung cells: An indispensable part in nanoparticle-based intracellular drug delivery, Roger Salvacion Tan

Effect of Aspidiotus rigidus infestation on the volatile chemical profile of the host plant Garcinia mangostana, M. A.A. Tavera, J. C.A. Lago, V. K.D. Magalong, G. A.V. Vidamo, J. S.R. Carandang, D. M. Amalin, and J. I.B. Janairo

Transcriptional responses of cancerous and noncancerous cells to wasabi-derived isothiocyanates, Phoebe Z. Trio

Draft genome sequence of newly isolated agarolytic bacteria cellulophaga omnivescoria sp. nov. W5C carrying several gene loci for marine polysaccharide degradation, Kris Niño G. Valdehuesa, Kristine Rose M. Ramos, Llewelyn S. Moron, Imchang Lee, Grace M. Nisola, Won keun Lee, and Wook jin Chung

Removal of lead (α) by lumbang, aleurites moluccana activated carbon carboxymethylcellulose composite crosslinked with epichlorohydrin, Nelson R. Villarante, Ronnette Anne E. Davila, and Derickerl P. Sumalapao

A revised dichotomous key for the mangrove crab genus Scylla de Haan, 1833 (brachyura, portunidae), Chona C. Vincecruz-Abeledo and M. A.Carmen A. Lagman

Immunohistochemical detection of S-100 in the spleen of Philippine domestic cat, Rodel Jonathan S. Vitor and Khaled Ostwani

Submissions from 2017

Bioaccumulation of cadmium, copper, lead, and zinc in water buffaloes (Bubalus bubalis) infected with liver flukes (Fasciola gigantica), Adrian Gabriel D. Acosta, Camille Noelle M. Camara, Juan Rocco Martin J. Ongsiako, Joachim N. Tsoi, Mary Jane C. Flores, Jose Isagani B. Janairo, Jose Santos R. Carandang, Rodante G. Flores, Divina M. Amalin, Nancy S. Abes, and Derick Erl P. Sumalapao

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

Effects of pulsed electromagnetic fields on breast cancer cell line MCF 7 using absorption spectroscopy, Dominic Z. Alcantara, Ian Jerry S. Soliman, Romeric F. Pobre, and Raouf N. G. Naguib

Fast feedback methods in teaching G7 physics, Karen R. Alcantara and Lydia S. Roleda

Synthesis and characterization of pyrazinamide analogs of acetylsalicylic acid and salicylic acid, Glenn V. Alea, Faith Marie G. Lagua, and Michael Dominic M. Ajero

Prevalence, physiologic effects, and risk factors of soil-transmitted helminth infections among grade school children, Anne Fay A. Alvañiz, Elysha C. de Castro, Bea Janine B. Tablizo, Mary Jane C. Flores, Eligio Santiago V. Maghirang, Lawrence Aikee R. Esmeli, and Arturo Y. Pacificador

Lasiodiplodia theobromae causes vascular streak dieback (VSD)–like symptoms of cacao in Davao Region, Philippines, Dionisio G. Alvindia and Frances Luisa M. Gallema

Reaction networks and kinetics of biochemical systems, Carlene Perpetua P. Arceo, Editha C. Jose, Angelyn R. Lao, and Eduardo R. Mendoza

Qualitative assessment and management of microplastics in Asian green mussels (Perna viridis) cultured in Bacoor Bay, Cavite, Phillipines, Cristian Ryan Argamino and Jose Isagani B. Janairo

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Gelling polysaccharide as the electrolyte matrix in a dye-sensitized solar cell, Jose Paolo Bantang and Drexel Camacho

Antidiabetic effects of Cycas riuminiana leaf extracts on alloxan-induced diabetic ICR mice (Mus musculus L.), Jose Lorenzo M. Barroso, Danalou Claudine G. Lacanilao, Renz Anthony C. Sac, and Rodel Jonathan S. Vitor

Synthesis and characterization of epichlorohydrin-crosslinked lumbang (Aleurites moluccana)-derived activated carbon chitosan composite as cr(VI) bioadsorbent, Angelo Patrick R. Bautista, Derick Erl P. Sumalapao, and Nelson R. Villarante

Magnetic-field-enhanced morphology of tin oxide nanomaterials for gas sensing applications, Jonathan C. Briones, Gwen Castillon, Michael P. Delmo, and Gil Nonato C. Santos

Vitamin A, Carl Vincent D. Cabanilla, Phoebe Z. Trio, and Demetria C. Bongga

Luminescence and carrier dynamics in nanostructured silicon, Neil Irvin Cabello, Philippe Tingzon, Kerr Cervantes, Arven Cafe, Joybelle Lopez, Arvin Mabilangan, Alexander De Los Reyes, Lorenzo Lopez, Joselito Muldera, Dinh Cong Nguyen, Xuan Tu Nguyen, Hong Minh Pham, Thanh Binh Nguyen, Arnel A. Salvador, Armando Somintac, and Elmer Estacio

Climate adaptation, technological self-reliance, and the developing world: Evidence from an emerging economy, Rodolfo Calzado and Jose Santos Carandang

On the variability of precipitable water vapor and its probabilistic modeling of precipitation occurrence in Davao City, Kristine Mae R. Carnicer, Red M. Castilla, Edgar A. Vallar, and Maria Cecilia D. Galvez

Calcium content of lime mortars from 19th century church ruins in the Philippines using volumetric analysis, Jan Michael C. Cayme and Aniano N. Asor

Calcium content of lime mortars from 19th century church ruin in the Philippines using volumetric analysis (Kandungan kalsium mortar batu kapur dari runtuhan gereja abad ke 19 di Filipina menggunakan analisis volumetrik), Jan-Michael C. Cayme and Aniano N. Asor Jr.

Parasites bared in Rattus norvegicus and Rattus tanezumi, Florencia G. Claveria

Risk factors for pneumonia in acute stroke patients admitted to the emergency department of a tertiary government hospital, Lennie Lynn C. de Castillo, Derick Erl P. Sumalapao, and Jose Leonard R. Pascual

Terahertz emission characteristics of GaMnAs dilute magnetic semiconductor under 650 mT external magnetic field, Alexander De Los Reyes, Elizabeth Ann Prieto, Karim Omambac, Jeremy Porquez, Lorenzo Lopez, Karl Cedric Gonzales, John Daniel Vasquez, Mae Agatha Tumanguil, Joselito Joselito, Kohji Yamamoto, Masahiko Tani, Armando Somintac, Elmer Estacio, and Arnel Salvador

Terahertz emission characteristics of GaMnAs dilute magnetic semiconductor under 650 mT external magnetic field, Alexander De Los Reyes, Elizabeth Ann Prieto, Karim Omambac, Jeremy Porquez, Lorenzo Lopez Jr., Karl Cedric Gonzales, John Daniel Vasquez, Mae Agatha Tumanguil, Joselito Muldera, Kohji Yamamoto, Masahiko Tani, Armando Somintac, Elmer Estacio, and Arnel A. Salvador

Cytotoxic compounds from kibatalia gitingensis (Elm.) woodson, Mariquit M. De Los Reyes, Glenn G. Oyong, Vincent Antonio S. Ng, Chien Chang Shen, and Consolacion Y. Ragasa

Sonochemical synthesis, characterization and photocatalytic properties of hydroxyapatite nano-rods derived from mussel shells, Emmanuel Jay M. Edralin, Jonyl L. Garcia, Francis M. dela Rosa, and Eric R. Punzalan

Antidiabetic effects of Cycas edentata aqueous leaf extract on the blood glucose levels of alloxan-induced diabetic ICR mice (Mus musculus L.), Elisha Jae V. Elardo, Abbie Grace M. Olea, Francesca Josephine Sta. Cruz, Gloriana Julia C. Teope, and Rodel Jonathan S. Vitor

DFT Investigation on the Electronic and Water Adsorption Properties of Pristine and N-Doped TiO2 Nanotubes for Photocatalytic Water Splitting Applications, John Isaac G. Enriquez, Joaquin Lorenzo V. Moreno, Melanie Y. David, Nelson B. Arboleda, Ong Hui Lin, and Al Rey C. Villagracia

Effect of structural and dynamical properties of lipid bilayer on water permeation studied using course-grained molecular dynamics simulation, John Isaac Enriquez, Al Rey Villagracia, Joaquin Lorenzo Moreno, Nelson Arboleda, Melanie David, Aristotle Ubando, Alvin Culaba, and Joel Cuello

Course-grained molecular dynamics investigation on the effects of uniform electric field on DPPC lipid bilayer: With and without vacuum space, John Isaac Enriquez, Al Rey Villagracia, Joaquin Lorenzo Moreno, Nelson Arboleda, Melanie David, Aristotle Ubando, Hui Lin Ong, Alvin Culaba, and Joel Cuello

Varying concentrations of sucralose and the acid-producing capability of Lactobacillus acidophilus, Ma Arabella C. Espartero, Andro Jibreel M. Fernandez, Jameelah Vianca L. Lazarte, Alista D. Perez, and Derick Erl P. Sumalapao

Membrane permeabilizing action of amphidinol 3 and theonellamide A in raft-forming lipid mixtures, R. A. Espiritu

Bioactivity of Ag nanoclusters capped with crude protein extracts from the sea anemone heteractis magnifica, Rafael A. Espiritu and Princess Bea Clyde R. Rebustillo

Evaluation of the anti-cancer potential of amphidinol 2, a polyketide metabolite from the marine dinoflagellate Amphidinium klebsii, Rafael A. Espiritu, Maria Carmen S. Tan, and Glenn G. Oyong

Molecularly imprinted polymers for regioselective amidification of polyfunction precursors, Chris Allen Earl T. Francia and Drexel H. Camacho

Computational study on the structural and optoelectronic properties of a carbazole-benzothiadiazole based conjugated oligomer with various alkyl side-chain lengths, Francisco C. Franco Jr.

On the structural and optoelectronic properties of chemically modified oligothiophenes with electron-withdrawing substituents for organic solar cell applications: A DFT=TDDFT study, Francisco C. Franco Jr. and Allan Abraham B. Padama

Growth and egg production performance of Dekalb layers (Gallus gallus domesticus) supplemented with cassava leaf meal (Manihot esculenta Crantz), Eloiza May Galon, Dante Lorenzo, and Florencia Claveria

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Chemical constituents of leaves and fruit of Antidesma ghaesembilla Gaertn., Rhanney L. Gonzales, Chien Chang Shen, and Consolacion Y. Ragasa

Ab initio study on hydrogen interaction with calcium decorated silicon carbide nanotube, Jessiel Siaron Gueriba, Allan Abraham Bustria Padama, Al Rey Villagracia, Melanie David, Nelson Arboleda, and Hideaki Kasai

Negative differential resistance in polymer tunnel diodes using atomic layer deposited, TiO2 tunneling barriers at various deposition temperatures, Jeremy J. Guttman, Conner B. Chambers, Al Rey Villagracia, Gil Nonato C. Santos, and Paul R. Berger

Pair states in one-dimensional Dirac systems, R. R. Hartmann and M. E. Portnoi

Two-dimensional Dirac particles in a Pöschl-Teller waveguide, R. R. Hartmann and M. E. Portnoi

The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project, Lawrence N. Hudson, Tim Newbold, Sara Contu, Samantha L.L. Hill, Igor Lysenko, Adriana De Palma, Helen R.P. Phillips, Tamera I. Alhusseini, Felicity E. Bedford, Dominic J. Bennett, Hollie Booth, Victoria J. Burton, Charlotte W.T. Chng, Argyrios Choimes, David L.P. Correia, Julie Day, Susy Echeverría-Londoño, Susan R. Emerson, Di Gao, Morgan Garon, Michelle L.K. Harrison, Daniel J. Ingram, Martin Jung, Victoria Kemp, Lucinda Kirkpatrick, Callum D. Martin, Yuan Pan, Gwilym D. Pask-Hale, Edwin L. Pynegar, and Alexandra N. Robinson

Aerosol particle mixing state, refractory particle number size distributions and emission factors in a polluted urban environment: Case study of Metro Manila, Philippines, Simonas Kecorius, Leizel Madueño, Edgar Vallar, Honey Dawn Alas, Grace Betito, Wolfram Birmili, Maria Obiminda Cambaliza, Grethyl Catipay, Mylene Gonzaga Cayetano, Maria Cecilia Galvez, Genie Lorenzo, Thomas Müller, James B. Simpas, Everlyn Gayle Tamayo, and Alfred Wiedensohler

Ab-initio study of C and N point defects in the C14-Fe2Nb phase, A. N. Ladines, R. Drautz, and T. Hammerschmidt

An exponentially weighted moving average control chart for zero-truncated Poisson processes: A design and analytic framework with fast initial response feature, Robert Neil F. Leong, Frumencio F. Co, Vio Jianu C. Mojica, and Daniel Stanley Y. Tan

Initial findings of the nationwide assessment of Philippine coral reefs, Ardea M. Licuanan, Michelle Z. Reyes, Katrina S. Luzon, Marie Angelica A. Chan, and Wilfredo Y. Licuanan

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Coral benchmarks in the center of biodiversity, Wilfredo Y. Licuanan, R. Robles, M. Dygico, A. Songco, and R. van Woesik

Gearing K to 12 Philippine science for national development and ASEAN competitiveness, Auxencia A. Limjap, Gil Nonato C. Santos, Minie Rose C. Lapinid, Lydia S. Roleda, and Jovito C. Anito

Hepatoprotective activity of aqueous and ethanolic bixa orellana L. leaf extracts against carbon tetrachloride-induced hepatotoxicity, Cristine P. Lopez, Derick Erl P. Sumalapao, and Nelson R. Villarante

Highly sensitive [Ru(bpy)3]2 +/Nafion® modified indium tin oxide-based sensor for heavy metal detection, Toni Beth Guatato Lopez, Shirley T. Palisoc, and Michelle T. Natividad

Selective cytotoxicity of bioluminescent bacteria isolated from fresh ink of Philippine squid on human colon cancer and normal cell lines, Jocelyn Pilante Luyon, Glenn Gallego Oyong, and Esperanza Chua Cabrera

Resurrecting a subgenus to genus: Molecular phylogeny of Euphyllia and Fimbriaphyllia (order Scleractinia; family Euphyllidae; clade V), Katrina S. Luzon, Mei Fang Lin, Ma. Carmen A. Lagman, Wilfredo Roehl Y. Licuanan, and Chaolun Allen Chen

Chemical constituents of Kosteletzkya batacensis (Blanco) Fern.-Vill., Maria Roxanne Macuha, Chien Chang Shen, and Consolacion Y. Ragasa

Nitrogen substitution and vacancy mediated scandium metal adsorption on carbon nanotubes, Michael Rivera Mananghaya, Gil Nonato C. Santos, and Dennis Yu

Hydrogen adsorption on nearly zigzag-edged nanoribbons: A density functional theory study, Michael Rivera Mananghaya, Gil Nonato Santos, Dennis Yu, and Catherine Stampfl

Antihyperglycemic effects of Cajanus cajan L. (pigeon pea) ethanolic extract on the blood glucose levels of ICR mice (Mus musculus l.), Jose Alberto Manapil Manzo and Rodel Jonathan Santos Vitor

Micro and nano silver-graphene composite manufacturing via horizontal vapor phase growth (HVPG) technique, Muhammad Akhsin Muflikhun, Gwen B. Castillon, Gil Nonato C. Santos, and Alvin Y. Chua

Beneath 50 m of NW Pacific water: Coral reefs on the Benham Bank Seamount off the Philippine Sea, Hildie Maria E. Nacorda, Romeo M. Dizon, Lambert Anthony B. Meñez, Cleto L. Nañola, Patrice Bianca L. Roa-Chio, Diovanie O. De Jesus, Homer B. Hernandez, Fra and Timothy R. Quimpo, Wilfredo Roehl Y. Licuanan, Porfirio M. Aliño, and Cesar L. Villanoy

Science, technology, engineering and mathematics (STEM) in the Philippines: An education pipeline study, Gladys C. Nivera, Jasmine Angelie V. Albelda, Ruel A. Avilla, Benilda R. Butron, Olivia N. Buzon, Melody Clerigo, Leah Amor S. Cortez, Donna Marie De Mesa Gonong, Brando C. Palomar, Crist John M. Pastor, Josephine E. Tondo, Von Anthony G. Torio, and Ester B. Ogena

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Towards developing science of survival (SOS) pamphlets for typhoon, flashflood, storm surge and tsunami for earthquakes and their aftermath: A pilot study, Gladys Nivera, Vic Marie Camacho, Sheila Rose Sia, Ruel Avilla, Benilda Butron, Eisha Vienna Fernandez, Crist John M. Pastor, Allan Reyes, and Brando Palomar

Vegetative propagation of stevia (Stevia rebaudiana bertoni hemsl) using stem tip cuttings in different growing media, Ryan Jay A. Ogao-Ogao, Pedrito S. Nitural, and Florencia G. Claveria

Wavelet denoising applied to light emitting diode lidar signal, Prane Mariel Ong, Maria Cecilia Galvez, Edgar Vallar, and Tatsuo Shiina

A comparative study of green composites based on tapioca starch and celluloses, Wei Tieng Owi, Ong Hui Lin, Sung Ting Sam, Chin Kwok Mern, Al Rey Villagracia, Gil Nonato C. Santos, and Hazizan Md Akil

Tapioca starch based green nanocomposites with environmental friendly cross-linker, Wei Tieng Owi, Ong Hui Lin, Sung Ting Sam, Al Rey Villagracia, and Gil Nonato C. Santos

Gold nanoparticle/hexaammineruthenium/Nafion® modified glassy carbon electrodes for trace heavy metal detection in commercial hair dyes, Shirley T. Palisoc, Alnira Mei Causing, and Michelle T. Natividad

Statistical analysis of the effects of the variation of mediator concentration, spin rate, and solvent type on spin coated [Ru(NH3)6]3+/Nafion/ITO modified electrodes, Shirley T. Palisoc, K. A.Y. Kaw, F. F. Co, and Michelle T. Natividad

Determination of heavy metals in mussel and oyster samples with tris (2,2'-bipyridyl) ruthenium (II)/graphene/Nafion® modified glassy carbon electrodes, Shirley T. Palisoc, Donald Jans S. Uy, Michelle T. Natividad, and Toni Beth G. Lopez

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Fabrication of an effective gold nanoparticle/graphene/Nafion® modified glassy carbon electrode for high sensitive detection of trace Cd2+, Pb2+ and Cu2+ in tobacco and tobacco products, Shirley T. Palisoc, Nadia Christabel C. Valeza, and Michelle T. Natividad

Measles outbreak detection in Metro Manila: Comparisons between ARIMA and INAR models, Joshua Mari J. Paman, Frank Niccolo M. Santiago, Vio Jianu C. Mojica, Frumencio F. Co, and Robert Neil F. Leong

Spatial analysis of the distribution of reported dengue incidence in the National Capital Region, Philippines, Mark Anthony P. Pangilinan, Derice Paolo G. Gonzales, Robert Neil F. Leong, and Frumencio F. Co

Triterpenes from Ceriops Decandra (Griff.) W. Theob., Judy Perez, Chang Chien-Shen, and Consolacion Y. Ragasa

Volatile organic compounds at early stages of sourdough preparation via static headspace and GC/MS analysis, Fritz Pizarro and Francisco C. Franco Jr.

Spectral-temporal variations of aerosol Ångström exponent over Manila, Philippines, Floyd Rey P. Plando, Red M. Castilla, Edgar A. Vallar, and Maria Cecilia D. Galvez

Angio-suppressive effect of sterols from Ardisia Pyramidalis (Cav.) Pers, Dennis D. Raga, Annabelle A. Herrera, Agnes B. Alimboyoguen, Chien Chang Shen, and Consolacion Y. Ragasa

Chemical constituents of Dracontomelon Dao (Blanco) Merr. et Rolfe, Consolacion Y. Ragasa, Tyson C. Batarra, Julius Leonard A. Vivar, Mariquit M. De Los Reyes, and Chien Chang Shen

Chemical constituents of Hoya cagayanensis C. M. Burton, Consolacion Y. Ragasa, Melissa S. Borlagdan, Fernando B. Aurigue, Robert Brkljaca, and Sylvia Urban

Characterization and multi-response morphological optimization for preparation of defect-free electrospun nanofibers using the Taguchi method, Jopeth M. Ramis, Bryan B. Pajarito, and Custer C. Deocaris