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2017

VOLUME 10 NUMBER 1 (January to June 2017)

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 2012 | 2011 | 2010 | 2009 | 2008

2016

INTERNATIONAL JOURNAL OF PHILIPPINE SCIENCE AND TECHNOLOGY

VOLUME 9 NUMBER 1 (January to June 2016)

2017 | 2016 | 2015 | 2014 | 2013
 2012 | 2011 | 2010 | 2009 | 2008

2015

VOLUME 8 NUMBER 1 (January to June 2015)

2017 | 2016 | 2015 | 2014 | 2013
 2012 | 2011 | 2010 | 2009 | 2008

2014

VOLUME 7 NUMBER 1 (January to June 2014)

2017 | 2016 | 2015 | 2014 | 2013
 2012 | 2011 | 2010 | 2009 | 2008

2013

VOLUME 6 NUMBER 1 (January to June 2013)

2017 | 2016 | 2015 | 2014 | 2013
 2012 | 2011 | 2010 | 2009 | 2008

2012

VOLUME 5 NUMBER 1 (January to June 2012)

  • ARTICLE

    Homology modelling and comparative docking analysis of two naturally occurring pancreatic glucokinase mutants
    by Jose Isagani B. Janairo and Gerardo C. Janairo

    1

  • FEATURE

    Hallmarks of a Genuine Scientist: An inspiration and example of "Paying it Forward"
    by Leopold L. Ilag

    7

  • ARTICLE

    Average-case analysis of Leapfrogging samplesort
    by Eliezer A. Albacea

    14

  • REVIEW

    Shift work research in the Philippines: Current state and future directions
    by Jingky P. Lozano-Kühne, Maria Eliza R. Aguila,Gayline F. Manalang, Jr., Richard Bryann Chua, Roselyn S. Gabud, and Eduardo R. Mendoza

    17

  • ARTICLE

    Species and endemicity status of the therapontid "Pigek", Mesopristes cancellatus(Cuvier, 1829) in the Philippines
    by Benedict A. Maralit, Minerva Fatimae H. Ventolero, Rosario Segundina P. Gaerlan,Macmod D. Mamalangkap, Mudjekeewis D. Santos 

    30

  • SHORT COMMUNICATION

    Binary (lipL32 and gyrB) gene marker analysis detects pathogenic Leptospira interrogans in a captured Rattus norvegicus in Marikina City, Philippines
    by Vladimir Lennin A. Roque, Karen Joy B. Adiao, Marilen M. Parungao-Balolong, Ernesto C. Balolong Jr., and Francisco M. Heralde III

    40

  • ARTICLE

    Cytotoxic isothiocyanates from Moringa oleifera lam seeds
    by Consolacion Y. Ragasa, Ruel M. Levida, Ming-Jaw Don, and Chien- Chang Shen

    46

  • EDITORIAL

    Climate change and disaster science in the Philippine setting
    by Helen T. Yap

    53

  • FEATURE

    Academician Evelyn Mae Tecson-Mendoza transcending biochemistry beyond borders
    by Roberta N. Garcia

    55

  • REVIEW

    Anatomy of the antibody molecule: A continuing analysis based on high-resolution crystallographic structures
    by Jo Erika T. Narciso, Iris Diana C. Uy, April B. Cabang, Jenina Faye C. Chavez, Juan Lorenzo B. Pablo, Gisela P. Padilla-Concepcion, and Eduardo A. Padlan

    63

  • ARTICLE

    Partial gene sequence and characterization of EDEN-1, a major water-soluble protein from the economically important alga Eucheuma denticulatum
    by Paulina B. Suarez-Aspilla, Mailyn M. Terrado, Maria Cristina A. Dancel, Giuseppe C. Zuccarello, and Nina Rosario L. Rojas

    90

  • VOLUME 5 NUMBER 2 (July to December 2012)

    ARTICLE

    Macroinvertebrate composition, diversity and richness in relation to the water quality status of Mananga River, Cebu, Philippines
    by Mary Joyce L. Flores and Macrina T. Zafaralla

    103

  • SHORT COMMUNICATION

    Design of possibly useful vaccines against human immunodeficiency virus 1
    by Eduardo A. Padlan

    114

  • ARTICLE

    Dynamics of non-equilibrium quasiparticles in the superconducting cold-electron bolometer (SCEB)
    by Ian Jasper A. Agulo

    118

  • ARTICLE

    Towards antituberculosis drugs: Virtual screening for potential inhibitors of pantothenate synthetase of Mycobacterium tuberculosis
    by Vivien Cherie C. Uy and Junie B. Billones

    122

  • ARTICLE

    Phase synchronization of electroencephalographic signals in the different frequency bands
    by M. C. Faustino, R. P. Serquiña, P. E. Rapp, and A. M. Albano

    131

  • ARTICLE

    Ascaris suum infective eggs upregulate IL-4, 5 and 10 in BALB/c mice
    by Maria Ruth B. Pineda and John Donnie A. Ramos

    139

  • FEATURE

    Marine reserves as tools of fishery management and conservation of biodiversity in the Philippines
    by Emily Layos

    150

  • ARTICLE

    Disease identification and in situ screening of gumamela (Hibiscus rosa-sinensis Linn) germplasm and hybrids to leaf anthracnose for disease resistance breeding
    by Cecilia B. Pascual and Pablito M. Magdalita

    158

  • ARTICLE

    Analysis of age-structured malaria transmission model
    by Joel M. Addawe and Jose Ernie C. Lope

    169

  • ARTICLE

    Towards biologically inspired fuelcell electrocatalysts: Electrochemistry of a diiron hydrogenase mimic
    by Jean Sanabria-Chinchilla, Tianbiao Liu, Christine M. Thomas, Brett Savoie, Marcetta Y. Darensbourg, and Manuel P. Soriaga

    187

  • FEATURE

    Learning it from Manny
    by Jack Hess L. Baricuatro

    194

  • ARTICLE

    Two strains of Gordonia terrae isolated from used engine oil contaminated soil utilize short- to long-chain n-alkanes
    by Michael Angelo C. Nicdao and Windell L. Rivera

    199

  • ARTICLE

    Isolation of thermophilic bacteria (Bacillus and Ureibacillus) and amplification of genes for selected enzymes
    by Cynthia T. Hedreyda, John Jewish A. Dominguez, and Karen Rosal

    209

  • ARTICLE

    New combinations in Rothmannia (Rubiaceae) and the establishment of the genus in the Philippine flora
    by Jayson G. Chavez, Ulrich Meve, and Grecebio Jonathan D. Alejandro

    216

2017 | 2016 | 2015 | 2014 | 2013
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2011

VOLUME 4 NUMBER 1 (January to June 2012)

  • REVIEW

    History of the biodiversity and limno-ecological studies on Lake Taal with notes on the current state of Philippine limnology
    by Rey Donne S. Papa and Augustus C. Mamaril Sr.

    1

  • ARTICLE

    A matrix population model of the "janitor fish" Pterygoplichthys (Pisces: Loricariidae) in the Marikina River, Luzon island,Philippines and the possibility of controlling this invasive species
    by Benjamin Vallejo, Jr. and Kristine A. Soriano

    11

  • ARTICLE

    STM and DFT studies of anion adsorption at well-defined surfaces: Pd(111) in sulfuric acid solution
    by Alnald C. Javier, Youn-Geun Kim, Joseph B. Soriaga, Perla B. Balbuena and Manuel P. Soriaga

    18

  • REVIEW

    Development and utilization of the PhilRice Genebank
    by Gabriel O. Romero, Roel C. Rabara, Evelyn B. Gergon, Ma. CristinaV. Newingham, Celia L. Diaz, Marilyn C. Ferrer, and Eric S. Nazareno

    24

  • ARTICLE

    Effect of dry-on, suffocation-based treatment on the prevalenceof pediculosis among school children in Calagtangan Village, Miag-ao, Iloilo
    by Adrienne Marrie S. Bugayong, Karla Teresa S. Araneta, Jennifer C.Cabanilla, Christian Era U. Gayatgay, Ernest Jan T. Nufuar, Krystal Hope S. Rufino, Mary Ann C. Caro, and Philip Ian Padilla

    33

  • EDITORIAL

    Philippine Science Letters – on the move
    by Eduardo A. Padlan and Gisela P. Padilla-Concepcion

    38

  • ARTICLE

    Effect of pretreatment and geometry on the thermophysical properties of raw ubi (Dioscorea alata L.)
    by Cresel F. Noche, Dennis V. Cantre, and Floirendo P. Flores

    40

  • FEATURE

    The Milky Way of a Star Scientist: Carlito B. Lebrilla
    by Ronie J. Calugay

    46

  • ARTICLE

    Effects of engineering charged amino acids in the CH3 domains on antibody heavy chain dimerization
    by Maria Aiko Angela A. Diaz, Eduardo A. Padlan, Ameurfina D. Santos

    48

  • FEATURE

    Alfonso Albano: A Distinguished scientist in measures of non-linear dynamics and an exemplary educator
    by Manuela Tarroja-Keller

    56

  • ARTICLE

    Factors promoting coral-algal transition in coral transplantation experiments
    by Helen T. Yap, Reverie Alvarez-Molina, and Caryl S. Benjamin

    60

  • ARTICLE

    Isolation and sequence analysis of the full-length toxR gene of type strain Vibrio campbellii and use of the toxR gene sequence to evaluate variation and relatedness with other Vibrio species
    by Fabini D. Orata and Cynthia T. Hedreyda

    70

  • VOLUME 4 NUMBER 2 (July to December 2011)

    ARTICLE

    Novel glycerol-crosslinked poly(acrylic acid) hydrogel for encapsulation and release of benzocaine
    by Angela Lisandra S. Lee, Gayzen A. Ordoñez, and Soma Chakraborty

    81

  • ARTICLE

    Novel glycerol-crosslinked poly(acrylic acid) hydrogel for encapsulation and release of benzocaine
    by Angela Lisandra S. Lee, Gayzen A. Ordoñez, and Soma Chakraborty

    81

  • FEATURE

    To find CJ, make way for CJ
    by Angel C. de Dios

    88

  • ARTICLE

    Probiotics from Philippine dairy products are bactericidal for pathogens with transferable multiple drug resistance
    by Mary Catherine A. Mercado and Esperanza C. Cabrera

    91

  • ARTICLE

    Total synthesis of dubiusamine C, a plausible minor alkaloid in Pandanus dubius
    by Mario A. Tan, Noriyuki Kogure, Mariko Kitajima, and Hiromitsu Takayama

    98

  • ARTICLE

    DNA barcodes of the suckermouth sailfin catfish Pterygoplichthys (Siluriformes: Loricariidae) in the Marikina River system, Philippines: Molecular perspective of an invasive alien fish species
    by Joycelyn C. Jumawan, Benjamin M. Vallejo, Annabelle A. Herrera, Corazon C. Buerano, and Ian Kendrich C. Fontanilla

    103

  • ARTICLE

    Amplification and sequence analysis of the luxA gene in the non-luminescent type strain Vibrio campbellii NBRC 15631
    by Cynthia T. Hedreyda and Fabini D. Orata

    114

  • ARTICLE

    Microsatellite and RAPD analysis of six local wine strains of Saccharomyces cerevisiae
    by Zahara Joy A. Guiamal and Cynthia T. Hedreyda

    122

2017 | 2016 | 2015 | 2014 | 2013
 2012 | 2011 | 2010 | 2009 | 2008

2010

VOLUME 3 NUMBER 1 (January to June 2010)

  • FEATURE

    Oscar H. Ibarra: Computer scientist par excellence
    by Michael A. Palis

    1

  • ARTICLE

    Prevalence of community-acquired methicillin-resistant Staphylococcus aureus from inmates of the Manila City Jail, characterization for SCCmec type and occurrence of Panton-Valentine leukocidin gene
    by Esperanza C. Cabrera, Dahlia Teresa Ramirez-Argamosa, and Roslyn D.M. Rodriguez

    4

  • LETTER TO THE EDITORS

    Birth, death, and salvation of journals
    by Raul K. Suarez

    13

  • FEATURE

    National Scientist Lourdes Jansuy Cruz: From rice to Conus research — the journey
    by Evelyn Mae Tecson-Mendoza

    15

  • ARTICLE

    The Indo-Pacific Gemmula species in the subfamily Turrinae: Aspects of field distribution, molecular phylogeny, radular anatomy and feeding ecology
    by Francisco M. Heralde III, Yuri I. Kantor, Mary Anne Q. Astilla, Arturo O. Lluisma, Rollan Geronimo, Porfirio M. Aliño, Maren Watkins, Patrice Showers Corneli, Baldomero M. Olivera, Ameurfina D. Santos, and Gisela P. Concepcion

    21

  • ARTICLE

    Life cycle costing based design optimization and viability analysis of the adoption of the hybrid technology in Philippine tricycles
    by Jose Bienvenido Manuel M. Biona, and Alvin B. Culaba

    35

  • ARTICLE

    Turris babylonia; re-evaluation of a species complex and description of Turris assyria, new species
    by Baldomero M. Olivera, Romell A. Seronay, and Alexander E. Fedosov

    46

  • ARTICLE

    Genotypic differences in morphology and ultrastructures of callus derived from selected rice varieties
    by Josefina O. Narciso and Kazumi Hattori

    59

  • ARTICLE

    Optimization of failure-tolerant workspaces for redundant manipulators
    by Rodrigo S. Jamisola, Jr.

    66

  • ARTICLE

    Cadmium binding ability of the blue-green alga Hapalosiphon welwitschii Nägel under controlled conditions
    by Margaret C. de Guzman and Ernelea P. Cao

    76

  • FEATURE

    Getting to know Kelvin
    by Alfredo Mahar Francisco A. Lagmay

    87

  • REVIEW

    Deforestation, swidden agriculture and Philippine biodiversity
    by Raul K. Suarez and Percy E. Sajise

    91

  • ARTICLE

    Zymography-based assay for screening potential anti-gelatinase agents using Serratia marcescens serralysin
    by Jolleen N. Balitaan, Holger Steinbrenner, and Maria C. Ramos

    100

  • ARTICLE

    A partial expressed sequence tag (EST) library of the economically important red alga Eucheuma denticulatum (N. L. Burham) F. C. Collins and Hervey
    by Paulina S. Aspilla, Anna Angela Camille B. Antonio, Giuseppe C. Zuccarello, and Nina Rosario L. Rojas

    109

  • ARTICLE

    Morphogenesis of anisotropic gold nanostructures stabilized the greener ionic liquid 1-butyl-3- methylimidazolium lauryl sulfate
    by Judy M. Obliosca, Ian Harvey J. Arellano, Michael H. Huang, and Susan D. Arco

    121

  • ARTICLE

    Analysis of colonic histopathological images using pixel intensities and Hough Transform
    by Laurence A. Gan Lim, Raouf N.G. Naguib, Elmer P. Dadios, and Jose Maria C. Avila

    128

  • VOLUME 3 NUMBER 2 (July to December 2010)

    ARTICLE

    Effects of medium replenishment and acclimatization techniques on growth and survival of embryo cultured coconut seedlings
    by Pablito M. Magdalita, Olivia P. Damasco, and Stephen W. Adkins

    1

  • ARTICLE

    Effects of medium replenishment and acclimatization techniques on growth and survival of embryo cultured coconut seedlings
    by Pablito M. Magdalita, Olivia P. Damasco, and Stephen W. Adkins

    1

  • NEWS

    The 30th Annual Meeting and Symposium of the Philippine American Academy of Science and Engineering
    Onofre T. De Jesus and Maria Luisa A. Virata-Theimer

    10

  • FEATURE

    Rigoberto C. Advincula: Multi-awarded and distinguished Filipino scientist making an impact in polymers and nanomaterials
    by Roderick Borong Pernites

    13

  • EDITORIAL

    Philippine Science Letters – now on its third year
    by Eduardo A. Padlan and Gisela Padilla-Concepcion

    17

  • ARTICLE

    Antibacterial activities of fruticose lichens collected from selected sites in Luzon Island, Philippines
    by Krystle Angelique A. Santiago, Jayne Nicholei C. Borricano, Joecela N. Canal, Denisse Marie A. Marcelo, Myleen Claire P. Perez, and Thomas Edison E. dela Cruz

    18

  • ARTICLE

    Amplified fragments of ornithine decarboxylase gene, toxR, and an unknown gene marker could distinguish strains of Vibrio harveyi and Vibrio campbellii implicated in shrimp disease
    by Fabini D. Orata and Cynthia T. Hedreyda

    30

  • ARTICLE

    A method for designing molecules for use in directing the antibody response to a chosen region of a protein antigen
    by Eduardo A. Padlan

    36

  • ARTICLE

    Synergistic in vitro cytotoxicity of adociaquinone B and heptyl prodigiosin against MCF-7 breast cancer cell line
    by Zenaida P. Bojo, Cyril D. Deaño, Sonia D. Jacinto, and Gisela P. Concepcion

    48

  • ARTICLE

    Detecting genes inserted into genetically modified Zea mays L. Yieldgard® NK603 using multiplex polymerase chain reaction
    by Cynthia T. Hedreyda and Jennifer L. Roxas

    59

  • ARTICLE

    Selection and design of new primers for multiplex polymerase chain reaction (PCR) detection of transgenes in genetically modified (GM) soybean (Glycine max L.) Roundup Ready Soybean GTS 40-3-2
    by Cynthia T. Hedreyda and Jennifer L. Roxas

    67

  • SHORT COMMUNICATION

    DNA barcoding of the white-collared kingfisher Todiramphus chloris (Boddaert 1783) (Alcedinidae) using the mitochondrial cytochrome c oxidase subunit I gene
    by Adrian U. Luczon, Abdel Hadi M. Mohammad Isa, Jonas P. Quilang, Perry S. Ong, and Ian Kendrich C. Fontanilla

    74

  • FEATURE

    Bienvenido Ochoa Juliano: Shaping the world’s evolution through rice research
    by Carla A. Omaga

    78

2017 | 2016 | 2015 | 2014 | 2013
 2012 | 2011 | 2010 | 2009 | 2008

2009

VOLUME 2 NUMBER 1 (January to December 2009)

  • NEWS

    The 35th Annual PSBMB Convention: A Resounding call for greater collaboration in biosciences
    by Karen Manalastas

    1

  • FEATURE

    Pedro A. Jose: Searching for genes that cause the increase in blood pressure with large salt (NaCl) intake
    by Van Villar

    5

  • REVIEW

    Genetic fingerprinting: Advancing the frontiers of crop biology research
    by Gabriel Romero, Cheryl Adeva, and Zosimo Battad II

    8

  • FEATURE

    Rhodora V. Azanza: The Red Tide Lady (An accomplished Filipina scientist)
    by Iris Baula

    14

  • REVIEW

    Systems Biology: Its past, present and potential
    by Eduardo R. Mendoza

    16

  • FEATURE

    Baldomero M. Olivera: Pushing the frontiers of neuroscience through venomous marine snails
    by Karl Cabalteja

    35

  • ARTICLE

    Characterization of Blo t 11 monoclonal antibodies with constant region mutations
    by John Donnie A. Ramos, Nge Cheong, and Kaw Yan Chu

    38

  • NEWS

    The 29th Annual Meeting of the Philippine-American Academy of Science and Engineering
    by Carla Bianca Victorio

    49

  • EDITORIAL

    Philippine Science Letters – now on its second year
    by Eduardo A. Padlan and Gisela P. Padilla – Concepcion, Editors

    55

  • FEATURE

    Caesar Saloma: Promoter of Philippine scientific culture (scientist, mentor, leader)
    by Erika Fille T. Legara

    57

  • REVIEW

    Conantokins: From “sleeper” activity to drug development
    by Elsie C. Jimenez

    60

2017 | 2016 | 2015 | 2014 | 2013
 2012 | 2011 | 2010 | 2009 | 2008

2008

VOLUME 1 NUMBER 1 (January to December 2008)

  • EDITORIAL

    Proud of our science – and our scientists
    by Eduardo A. Padlan, Editor-in Chief

    1

  • FEATURE

    The impact of Ed Gomez
    by Miguel Azcuna

    2

  • NEWS

    The 28th Annual Meeting of the Philippine American Academy of Science and Engineering
    by Leah M. Tolosa and Maria Luisa A. Virata-Theimer

    4

  • REVIEW

    Visualizing and modifying objects at the nanometer length scales
    by Romel D. Gomez

    6

  • ARTICLE

    De-antigenization of immunodominant epitopes: A strategy for designing vaccines against constantly mutating pathogens and other applications
    by Eduardo A. Padlan

    9

  • ARTICLE

    A new species of Gemmula, Weinkauff 1875; Evidence of two clades of Philippine species in the genus Gemmula
    by Baldomero M. Olivera, David R. Hillyard, and Maren Watkins

    11

  • FEATURE

    Jose B. Cruz, Jr.: Excellence in engineering design of complex systems
    by Joeriggo M. Reyes

    16

  • REVIEW

    Time series analysis, or the quest for quantitative measures of time dependent behavior
    by Alfonso M. Albano, Peter D. Brodfuehrer, Christopher J. Celluci, Xenia T. Tigno, and Paul E. Rapp

    18

  • ARTICLE

    Estimating the rarity of birds and its ecological context in the University of the Philippines Diliman Campus
    by Benjamin Vallejo Jr. and Alexander B. Aloy

    32

  • FEATURE

    Asuncion K. Raymundo: Peering into microbes and pioneering molecular microbiology in the Philippines
    by Ediwn N. Camaya and Evanjill Alcantara

    37

© 2017 Philippine Science Letters