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ISSN 2094-2818
Editors: Eduardo A. Padlan and
Gisela P. Padilla-Concepcion
MOST RECENT
VOLUME 8 NUMBER 1 (January to June 2015)
VOLUME 7 NUMBER 2 (July to December 2014)
VOLUME 7 NUMBER 1 (January to June 2014)
EDITORIAL  A Farewell Editorial: Birth and Rebirth of Philippine Science Letters and Growth of Philippine Scienceby Gisela P. Padilla—Concepcion Abstract | PDF Phil. Sci. Lett. 2015 8 (1) 1-2; available online: March 2, 2015 |
ARTICLE  Evaluation of extended-spectrum beta-lactamase production in Escherichia coli clinical isolates from three hospitals in Luzon, Philippinesby Merlyn C. Cruz, Catherine S. Bacani, Alma B. Mendoza, and Cynthia T. Hedreyda Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 438-444; available online: December 26, 2014 |
ARTICLE  Salt-plug estuarine circulation in Malampaya Sound, Palawan, Philippinesby Olivia C. Cabrera, Cesar L. Villanoy, Gil S. Jacinto, Lawrence Patrick C. Bernardo, Charissa M. Ferrera, Imelda B. Velasquez, and Rhodora V. Azanza Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 428-437; available online: December 26, 2014 |
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SHORT COMMUNICATION  Fluctuating asymmetry in genetically improved Nile Tilapia, Oreochromis niloticus (Linnaeus), strains in the Philippinesby Richard N. Muallil, Zubaida U. Basiao, Tereso A. Abella, and Luis Maria B. Garcia Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 420-427; available online: December 16, 2014 |
ARTICLE  Characterization of alkaline-cooked quality protein maize as raw material for noodle processingby Marie Anna Dominique R. Bibat, Olivia M. del Rosario, Lotis E. Mopera, Lilia S. Collado, and Floirendo P. Flores Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 413-419; available online: December 15, 2014 |
ARTICLE  Sequence analysis of the complete cathecol 1,2-dioxygenase gene in Acinetobacter baumannii Strain OS1by A. Mittsu G. Sarmago and Cynthia T. Hedreyda Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 406-412; available online: December 12, 2014 |
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| Recommended readings: | ||
| Responsible Conduct in the Global Research Enterprise by the InterAcademy Council Ethical Principles and Guidelines for Filipino Scientists by the National Academy of Science and Technology Philippines On Being a Scientist 3rd Edition, 2009 by the US National Academy of Sciences |
Promoting Scientific Standards by Bruce Alberts Science Metrics Special issue of *Nature* on science metrics (measurement of science) You are encouraged to read the popular science articles written by Filipino scientists and science educators in the weekly STAR SCIENCE column of The Philippine Star. |
VOLUME 8 NUMBER 1 (January to June 2015)
| EDITORIAL A Farewell Editorial: Birth and Rebirth of Philippine Science Letters and Growth of Philippine Science by Gisela P. Padilla—Concepcion Abstract | PDF Phil. Sci. Lett. 2015 8 (1) 1-2; available online: March 2, 2015 |
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VOLUME 7 NUMBER 2 (July to December 2014)
ARTICLE  Probabilistic wind contouring and hazard mapping of barangay San Juan, Surigao City, Surigao del Norte, Philippinesby Marvin Aldrich R. Salazar and Lessandro Estelito O. Garciano Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 275-292; available online: July 30, 2014 |
SHORT COMMUNICATION  Biochemical comparison of bleaching and non-bleaching Montipora digitata (Order Scleractinia) in the Philippinesby Helen T. Yap, Dang Marviluz L. Espita, Marco Nemesio E. Montaño, Caryl S. Benjamin, and Edgardo D. Gomez Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 293-299; available online: August 15, 2014 |
REVIEW  The Philippine Marine Protected Area (MPA) Databaseby Reniel B. Cabral, Porfirio M. Aliño, Adrian Chester M. Balingit, Christian M. Alis, Hazel O. Arceo, Cleto L. Nañola Jr., Rollan C. Geronimo, and MSN Partners Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 300-308; available online: September 8, 2014 |
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ARTICLE  Utilization of loop-mediated isothermal amplification (LAMP) technology for detecting White Spot Syndrome Virus (WSSV) and Vibrio spp. in Litopenaeus vannamei in selected sites in the Philippinesby Amalea Dulcene D. Nicolasora, Benedict A. Maralit, Christopher Marlowe A. Caipang, Mudjekeewis D. Santos, Adelaida Calpe, and Mary Beth B. Maningas Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 309-316; available online: September 10, 2014 |
ARTICLE  Genetic diversity and the discovery of a putative cryptic species within a valued crab fishery, Portunus pelagicus (Linnaeus 1758), in the Philippinesby Persie Mark Q. Sienes, Demian A. Willette, Luz R. Romena, Clint G. Alvior, and Janet S. Estacion Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 317-323; available online: September 21, 2014 |
SHORT COMMUNICATION  Dual preharvest application of 1-methylcyclopropene (1-MCP) aqueous spray controls mango (Mangifera indica L. cv. 'Carabao') ripeningby Katherine Ann T. Castillo-Israel, Edralina P. Serrano, Elda B. Esguerra, and Florinia E. Merca Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 324-330; available online: September 21, 2014 |
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SHORT COMMUNICATION  Preservation and extracellular enzyme production of myxomycetes from Lubang Island, Occidental Mindoro, Philippinesby Sittie Aisha B. Macabago and Thomas Edison E. dela Cruz Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 331-336; available online: October 12, 2014 |
ARTICLE  Antioxidant potentials of culturable endophytic yeasts from Phragmites australis Cav. (Trin) ex Steud. from copper-contaminated mining site in Mankayan, Benguetby Roland M. Hipol Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 337-346; available online: October 12, 2014 |
FEATURE  Michael Purugganan: evolution of a scientist from chemistry to plant genomicsby Neda Barghi Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 347-349; available online: October 13, 2014 |
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ARTICLE  Rice Straw Compost as Amendment to Reduce Soil Copper Toxicity in Lowland Rice Paddy Fieldby Virginia C. Cuevas, Joey I. Orajay, and Cirilo A. Lagman, Jr. Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 350-355; available online: October 17, 2014 |
ARTICLE  Biosorption of copper (II) by live biomasses of two indigenous bacteria isolated from copper-contaminated waterby Christopher Jay T. Robidillo, Nelson R. Villarante, and Lorele C. Trinidad Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 356-371; available online: November 11, 2014 |
SHORT COMMUNICATION  Determination of Cadmium (Cd2+) and Zinc (Zn2+) via Anodic Stripping Voltammetry with [Ru(NH3)6]3+/Nafion® Modified Electrodesby Shirley Tiong Palisoc, Michelle Tiamzon Natividad, Patricia Denise DeVera, and Benjamin Simone B. Tuason Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 372-375; available online: November 12, 2014 |
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ARTICLE  Phenotypic evaluation of some promising rare fruit crops in the Philippinesby Pablito M. Magdalita, Maria Ivana Kay M. Abrigo, and Roberto E. Coronel Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 376-386; available online: November 19, 2014 |
ARTICLE  Molecular and morphological differentiation among Coffea (Rubiaceae) varieties grown in the farms of Cavite Province, Philippinesby Ernelea P. Cao, Daisy May Constantino-Santos, Lara Anjela P. Ramos, Brian S. Santos, Jonas P. Quilang, and Ruel M. Mojica Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 387-397; available online: November 25, 2014 |
SHORT COMMUNICATION  On the occurrence of the Sulu Shrimp Metapenaeus suluensis Racek and Dall, 1965 (Crustacea: Decapoda : Penaeidae) in the Iloilo River, West Central Philippinesby Annabelle del Norte-Campos and Marivene Manuel-Santos Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 398-400; available online: December 12, 2014 |
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ARTICLE  Ethnobotanical Survey and Nutritional Composition of Ficus pseudopalma Blanco (Moraceae)by Librado A. Santiago, Anna Beatriz R. Mayor, and Joshua B. Arimado Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 401-405; available online: December 12, 2014 |
ARTICLE Sequence analysis of the complete cathecol 1,2-dioxygenase gene in Acinetobacter baumannii Strain OS1by A. Mittsu G. Sarmago and Cynthia T. Hedreyda Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 406-412; available online: December 12, 2014 |
ARTICLE Characterization of alkaline-cooked quality protein maize as raw material for noodle processingby Marie Anna Dominique R. Bibat, Olivia M. del Rosario, Lotis E. Mopera, Lilia S. Collado, and Floirendo P. Flores Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 413-419; available online: December 15, 2014 |
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SHORT COMMUNICATION Fluctuating asymmetry in genetically improved Nile Tilapia, Oreochromis niloticus (Linnaeus), strains in the Philippinesby Richard N. Muallil, Zubaida U. Basiao, Tereso A. Abella, and Luis Maria B. Garcia Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 420-427; available online: December 16, 2014 |
ARTICLE Salt-plug estuarine circulation in Malampaya Sound, Palawan, Philippinesby Olivia C. Cabrera, Cesar L. Villanoy, Gil S. Jacinto, Lawrence Patrick C. Bernardo, Charissa M. Ferrera, Imelda B. Velasquez, and Rhodora V. Azanza Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 428-437; available online: December 26, 2014 |
ARTICLE Evaluation of extended-spectrum beta-lactamase production in Escherichia coli clinical isolates from three hospitals in Luzon, Philippinesby Merlyn C. Cruz, Catherine S. Bacani, Alma B. Mendoza, and Cynthia T. Hedreyda Abstract | PDF Phil. Sci. Lett. 2014 7 (2) 438-444; available online: December 26, 2014 |
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VOLUME 7 NUMBER 1 (January to June 2014)
ARTICLE  Detection and sequence analysis of the alkM gene in Acinetobacter baumannii strain OS1 from oil sludge sampleby Cynthia T. Hedreyda and A. Mittsu G. Sarmago Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 1-6; available online: January 18, 2014 |
ARTICLE  Enhanced energy conversion performance of Philippine photovoltaic panels through tilt angle adjustments: A mechatronics approachby Fidel Diaz, Jerrold Ngo, Maximillian Pascual, Albert Planes, and Alvin Chua Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 7-12; available online: January 25, 2014 |
ARTICLE  A comparison of smoothers for state-constrained optimal control problemsby Michelle Vallejos Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 13-21; available online: February 9, 2014 |
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ARTICLE  The archaeology and palaeobiological record of Pasimbahan-Magsanib Site, northern Palawan, Philippinesby Janine Ochoa, Victor Paz, Helen Lewis, Jane Carlos, Emil Robles, Noel Amano, Maria Rebecca Ferreras, Myra Lara, Benjamin Vallejo, Jr., Gretchen Velarde, Sarah Agatha Villaluz, Wilfredo Ronquillo, and Wilhelm Solheim II Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 22-36; available online: February 9, 2014 |
ARTICLE  Species richness and patterns of occurrence of small non-flying mammals of Mt. Sto Tomas, Luzon Island, Philippinesby Aris A. Reginaldo and Anna Pauline O. de Guia Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 37-44; available online: February 9, 2014 |
ARTICLE  Taxonomic identification of “Ludong” fish from the Cagayan River (Philippines)by Minerva Fatimae H. Ventolero, Evelyn C. Ame, Billy Joel N. Catacutan, and Mudjekeewis D. Santos Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 45-54; available online: February 9, 2014 |
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ARTICLE  Responses of the bird community in the University of the Philippines Diliman after campus redevelopment and the decline of two common urban bird species by Benjamin Vallejo, Jr. and Alexander B. Aloy Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 55-61; available online: March 1, 2014 |
ARTICLE  Sexuality-based compartmental model of spread of HIV in the Philippines by Guido David and Fenina Mae Gomez Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 62-66; available online: March 1, 2014 |
ARTICLE  Stability switch and periodic solutions in delayed three-species model with Holling type III functional response by Juancho A. Collera Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 67-72; available online: March 1, 2014 |
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ARTICLE  Determination of soil-transmitted helminth infection and its association with hemoglobin levels among Aeta schoolchildren of Katutubo Village in Planas, Porac, Pampangaby Janice V. Ng, Vicente Y. Belizario, Jr., and Florencia G. Claveria Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 73-80; available online: March 1, 2014 |
ARTICLE  Incident angle dependence of H2 adsorption on a defective Pt(111) surface: First-principles calculation by Michelle T. Natividad, Nelson B. Arboleda Jr., and Hideaki Kasai Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 81-87; available online: March 22, 2014 |
ARTICLE  Molecular phylogeny of the genus Bikkia (Rubiaceae) including a new endemic Philippine inland forest species Bikkia montoyae by Grecebio Jonathan D. Alejandro, Lorenzo Angelo R. Santos, Hao Wei C. Hsu, Michelle Samantha S. Mejillano, Propa Joy R. Santor, and Victor B. Amoroso Abstract | PDF Phil. Sci. Lett. 2014 7(1) 88-96; available online: March 22, 2014 |
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ARTICLE  Total variation-based image inpainting and denoising using a primal-dual active set methodby Marrick Neri and Esmeraldo Ronnie Rey Zara Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 97-103; available online: March 29, 2014 |
REVIEW  State of animal DNA barcoding in the Philippines: A review of COI sequencing of Philippine native faunaby Ian Kendrich C. Fontanilla, Andrew F. Torres, Josephine Angela DG. Cañasa, Sandra L. Yap, and Perry S. Ong Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 104-137; available online: April 23, 2014 |
ARTICLE  A molecular dynamics investigation of water migration in a lipid bilayer for microalgae dryingby Robby Manrique, Aristotle Ubando, Al Rey Villagracia, Jennifer Corpuz, Allan Abraham Padama, Melanie David, Nelson Arboleda Jr., Alvin Culaba, and Hideaki Kasai Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 138-145; available online: April 23, 2014 |
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COMMENTARY  Finding a common framework for the analysis of social and institutional change: A retrospective and an explorationby Niceto S. Poblador Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 146-154; available online: May 10, 2014 |
ARTICLE  Taxonomy of black scavenger flies (Diptera: Sepsidae) from Luzon, Philippinesby Socrates D. Letana Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 155-170; available online: May 10, 2014 |
ARTICLE  A morphological and cyclic voltammetric investigation of spin-coated hexa-ammineruthenium(III)-incorporated Nafion® thin filmsby Kevin Anthony Y. Kaw, Shirley T. Palisoc, and Michelle T. Natividad Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 171-178; available online: May 11, 2014 |
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ARTICLE  A survey of plants used as repellents against hematophagous insects by the Ayta people of Porac, Pampanga province, Philippinesby Jasper John A. Obico and Elena M. Ragragio Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 179-186; available online: May 24, 2014 |
ARTICLE  Updates on the status of giant clams Tridacna spp. and Hippopus hippopus in the Philippines using mitochondrial CO1 and 16S rRNA genesby Apollo Marco D. Lizano and Mudjekeewis D. Santos Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 187-200; available online: May 24, 2014 |
COMMENTARY  A proposed framework for a national coral reef assessment programby Wilfredo Y. Licuanan and Porfirio M. Aliño Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 201-206; available online: May 24, 2014 |
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REVIEW  Anticancer compounds from Philippine marine organisms act on major pathways in cancerby Gisela P. Concepcion, Andrea Roxanne J. Anas, and Miguel A. Azcuna Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 207-227; available online: May 31, 2014 |
COMMENTARY  On the geological hazards that threaten existing and proposed reclamations of Manila Bayby Kelvin S. Rodolfo Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 228-240; available online: June 14, 2014 |
FEATURE  National Scientist Dolores A. Ramirez: From Beating the Odds to Empowering Philippine Agricultureby Malem Flores Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 241-244; available online: June 24, 2014 |
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ARTICLE  A partial regression coefficient analysis framework to infer candidate genes potentially causal to traits in recombinant inbred linesby Jan Michael Yap, Ramil Mauleon, Eduardo Mendoza, and Henry Adorna Abstract | PDF Phil. Sci. Lett. 2014 7 (1) 245-274; available online: June 25, 2014 |