ISSN 2094-2818

Editors: Eduardo A. Padlan and
Gisela P. Padilla-Concepcion
MOST RECENT
 
SHORT COMMUNICATION Biochemical comparison of bleaching and non-bleaching Montipora digitata (Order Scleractinia) in the Philippines
by 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
  ARTICLE Probabilistic wind contouring and hazard mapping of barangay San Juan, Surigao City, Surigao del Norte, Philippines
by Marvin Aldrich R. Salazar and Lessandro Estelito O. Garciano
Abstract | PDF
Phil. Sci. Lett. 2014 7 (2) 275-292; available online: July 30, 2014
  ARTICLE A partial regression coefficient analysis framework to infer candidate genes potentially casual to traits in recombinant inbred lines
by 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
     


FEATURE National Scientist Dolores A. Ramirez: From Beating the Odds to Empowering Philippine Agriculture
by Malem Flores
Abstract | PDF
Phil. Sci. Lett. 2014 7 (1) 241-244; available online: June 24, 2014
 
COMMENTARY On the geological hazards that threaten existing and proposed reclamations of Manila Bay
by Kelvin S. Rodolfo
Abstract | PDF
Phil. Sci. Lett. 2014 7 (1) 228-240; available online: June 14, 2014
 
REVIEW Anticancer compounds from Philippine marine organisms act on major pathways in cancer
by 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
         



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 7 NUMBER 2 (July to December 2014)
 

ARTICLE Probabilistic wind contouring and hazard mapping of barangay San Juan, Surigao City, Surigao del Norte, Philippines
by 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 Philippines
by 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
   

 
       


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 sample
by 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 approach
by 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 problems
by Michelle Vallejos
Abstract | PDF
Phil. Sci. Lett. 2014 7 (1) 13-21; available online: February 9, 2014

 
       

ARTICLE The archaeology and palaeobiological record of Pasimbahan-Magsanib Site, northern Palawan, Philippines
by 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, Philippines
by 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

 
       

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

 
       

ARTICLE
Determination of soil-transmitted helminth infection and its association with hemoglobin levels among Aeta schoolchildren of Katutubo Village in Planas, Porac, Pampanga
by 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

 
       

ARTICLE Total variation-based image inpainting and denoising using a primal-dual active set method
by 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 fauna
by 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 drying
by 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
     


COMMENTARY Finding a common framework for the analysis of social and institutional change: A retrospective and an exploration
by 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, Philippines
by 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 films
by 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
       


ARTICLE A survey of plants used as repellents against hematophagous insects by the Ayta people of Porac, Pampanga province, Philippines
by 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 genes
by 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 program
by Wilfredo Y. Licuanan and Porfirio M. Aliño
Abstract | PDF
Phil. Sci. Lett. 2014 7 (1) 201-206; available online: May 24, 2014
       


REVIEW Anticancer compounds from Philippine marine organisms act on major pathways in cancer
by 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 Bay
by 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 Agriculture
by Malem Flores
Abstract | PDF
Phil. Sci. Lett. 2014 7 (1) 241-244; available online: June 24, 2014
         

ARTICLE A partial regression coefficient analysis framework to infer candidate genes potentially casual to traits in recombinant inbred lines
by 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
       




VOLUME 6 NUMBER 2 (July to December 2013)
 

ARTICLE Antimicrobial and antioxidant activities of fungal leaf endophytes associated with Pandanus amaryllifolius Roxb.
by Melfei E. Bungihan, Maribel G. Nonato, Siegfried Draeger, Scott Franzblau and Thomas Edison E. dela Cruz
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 128-137; available online: July 19, 2013
  ARTICLE Mathematical analysis of bistability in reduced models of apoptosis
by Joseph Ray Clarence G. Damasco, Marian P. Roque, and Ricardo C. H. del Rosario
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 138-146; available online: July 26, 2013
  ARTICLE Immune response of Macrobrachium rosenbergii immersed in hot-water extract of Gracilaria edulis
by Mary Beth B. Maningas, Patrick G. Gonzalez, Maribon M. Obias, Rainier S. Pausanos, Jyacinth Lucille Y. Siapno, Jennifer R. Alambra, and Eldrin M. Abquina
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 147-152; available online: August 20, 2013

 
       

ARTICLE Heptylprodigiosin induces apoptosis in Jurkat leukemia T cells via CD95 death receptor and evades antiapoptotic Bcl-2 and Bcl-xproteins
by Glory D. Ranches, Anita Rudy, Angelika Vollmar, Jortan O. Tun, and Gisela P. Concepcion
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 153-167; available online: August 30, 2013
 
ARTICLE Digital photometric determination of protein using Biuret, Bradford, and bicinchoninic acid reagents
by Adonis A. Yanos, Marianne N. Bautista, Mark Rickard N. Angelia, and Ernesto J. del Rosario
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 168-175; available online: September 20, 2013
 
ARTICLE First principle investigation of atomic hydrogen adsorption on Pd-doped MgB2
by Paul M. Abanador, Al Rey C. Villagracia, Nelson B. Arboleda Jr., and Melanie Y. David
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 176-181; available online: October 25, 2013

 
       

ARTICLE

Identification of design criteria for district cooling distribution network
by Gerardo L. Augusto, Alvin B. Culaba, and Raymond R. Tan
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 182-197; available online: October 31, 2013
 
SHORT COMMUNICATION
First report of Awaous ocellaris in goby fry or “ipon” fishery in Northern Luzon, Philippines
by Angelli Marie Jacynth M. Asis, Altair B. Agmata, Billy Joel Catacutan, Romeo Culasing, and Mudjekeewis D. Santos
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 198-203; available online: November 15, 2013
 
EDITORIAL

Typhoon Haiyan in the Philippines: Pushing the envelope
by Helen T. Yap
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 204-205; available online: November 19, 2013

 
       

ARTICLE

A mathematical model for the drying characteristics of microalgae (Tetraselmis sp.)
by Alvin B. Culaba, Raymond R. Tan, Jose Bienvenido Manuel M. Biona, Aristotle T. Ubando, Neil Stephen A. Lopez, Joel Q. Tanchuco, Soledad S. Garibay, Nieves A. Toledo, Caridad N. Jimenez, Ida G. Pahila, and Letty S. Ami
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 206-219; available online: November 22, 2013
 
SHORT COMMUNICATION
Species identification of “padas” from fermented fish paste or “bagoong” using DNA barcodes
by Altair B. Agmata, Angelli Marie Jacynth M. Asis, and Mudjekeewis D. Santos
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 220-224; available online: November 22, 2013
 
FEATURE

Hard work pays off: Getting to know Dr. Ernesto Domingo
by Jortan Tun
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 225-230; available online: November 25, 2013

 
       

ARTICLE

Multiple linear regression model of Shiga toxin inhibitory activity of dihydroquinazolinone derivatives of Retro-2cycl
by Liza T. Billones and Junie B. Billones
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 231-240; available online: November 29, 2013
 
ARTICLE

Correlation of total IgE, house-dust mite specific IgE and absolute eosinophils in an asthmatic pediatric population
by Maricar W. Ching, Jennifer Maries G. Yap, Kevin Carl P. Santos, Cesar M. Ong, and John Donnie A. Ramos
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 241-248; available online: December 13, 2013
 
ARTICLE

Physicochemical properties of bignay [Antidesma bunius (L.) Spreng.] wine at different stages of processing
by Ma. Desiree Belina-Aldemita, Veronica C. Sabularse, Erlinda I. Dizon, Wilma A. Hurtada, and Mary Ann O. Torio
Abstract | PDF
Phil. Sci. Lett. 2013 6(2) 249-256; available online: December 13, 2013