Theses/Dissertations from 1996


A karyotype investigation of the hepatopancreas in Pomacea spp., (golden snail), Jonathan Santos Rubio


A class of nearly commuting projections, Elucila Macatangay Sespene


Correlation between the edible freshwater bivalves and some ecological factors at selected sites of Cagayan River, Nenette A. Tolentino

Theses/Dissertations from 1995


Isolation, structure elucidation, and antimicrobial screening of a terpene from a soft coral Sarcophyton sp, Leonisa O. Bernardo


Comparative studies of the fruit morphology of some species of Philippine rattans, Emma Rivera Cachola

On a generalization of hall quasifields, Dominic T. Elvira


On biconnected graphs, Alex C. Gonzaga

Perfect graphs, Yvette F. Lim

An investigation of the temperature dependence of the resistivity of PPy(p-TS) and the I-V characteristics of the PPy/n-Si heterojunctions, Maria Carla F. Manzano


Synthesis and antimicrobial testing of 3-amino-3-deoxy-1,2,5,6-di-isopropylidine-a-D-allofuranose, Angelica R. Martinez


Investigation of the influence of 18-crown-6 on the oxidation of selected arenes, Milagros Abaya Perez


Bioassay-guided isolation and structure elucidation of some metabolites from Pipturus arborescens, Rebecca B. Rosal

Sesquiterpene glycosides and triterpenes from the chloroform extract of Pittosporum pentandrum (Blanco) Merrill, Diana S. Tierra


Isolation, characterization and antimicrobial assay of some components from the chloroform extract of Lobophyton crassum, Gracia Urubio

On a characterization of T-designs, Rosemarievic G. Villena

Theses/Dissertations from 1994


Prevalence of common soil-transmitted roundworm infections among residents, aged 4-12, of the Islamic Center, Quiapo, Manila, Khalid Abu-Alhayja


A study of the relationship of the oxygen content variation as determined by iodometry measurements with the cell potential involving Bi1.84 Pb0.37Sr1.91Ca2.03Cu3.06O10.5+x, Evelyn R. Almeda


On chromatic polynomials of regular graphs and modified wheels, Lovelina A. Aves


On designs with minimal harmonious colourings, Corinne Grace B. Burgos


Trace metal analysis of some Philippine seaweeds by differential pulse anodic stripping voltammetry, Emely C. Cobar

Bioassay screening, isolation and structure elucidation of metabolites from higher fungi, Salvacion P. Cresidio


A study on the effect of nami extract (Dioscorea hispida Dennst.) on golden apple snails (Pomacea canaliculata L), Josephine C. Dionela


On distance-regular graphs with Ki = kj, Imelda B. Garcia


Pair production in a linearly expanding, spatially flat Robertson-Walker space with an electric field in a time-dependent gauge, Eduardo Solis Gonzalez II


Path integral approach to particle production in a spatially-flat Robertson-Walker spacetime with cosmic scale factors a(t)=ao cosh (at) and a(t)= ao sin (at), Jonathan S. Guevarra

Cytogenetic evaluation of the effects of monocrotophos insecticide using the allium assay, Alexander C. Malonzo


Isolation and structural elucidation of novel terpenes in Azadirachta indica, A. Juss., Andrographis paniculata, Nees and Cosmos caudatus, H.B.K.., Zenaida Diamse Nacpil


Quaternionic grassmannian approach to SU (4) x SU (4) grand unified theory, Caesar P. Palisoc


Fabrication and characterization of cadmium-doped Bi-Sr-Ca-Cu-oxide thin films, Alex Quema


An open maps and span zero, Corazon F. Regacho


On some properties of cyclic tournaments, Shirlee Ribaya Remoto


Two novel monoterpene glycosides from Erigeron linifolius Willd. & sesquiterpene lactones and triterpenes from Elephantopus scaber Linn, Jennifer O. Sy

On ovoids, generalized quadrangles, spreads and inversive planes, Clarence So Tan


On even tournaments whose automorphism groups contain regular subgroups, Ernesto C. Torres Jr.


On regular and 2-scored 2-orthogonal tournaments, Reynaldo M. Urbano


Isolation and structure elucidation of a novel diterpene and other constituents from the chloroform extract of Bidens pilosa, Maria Carmelita Arada Zulueta

Theses/Dissertations from 1993


Isolation and structural elucidation of terpenoids from the soft coral Clavularia inflata (Coelenterata, Octocorallia, Stolonifera), Glenn Villamiel Alea

Flocks of ovoids and hyperbolic quadrics in PG (3,Q), Junie T. Go

Chromosome analysis of Rana limnocharis vittigerra (common ricefield frog) collected from selected areas of Luzon, Margarita Nerier Lavides

Association between wearing habits and bacterial, Anthony Chua Lee


Crystal structure study of a vanadium (III) complex containing a neopentanediamminetetraacetate ligand, Julita Climaco Robles


Conjugative transferability of the antibiotic resistance in fecal isolates of Escherichia coli from the San Lazaro Hospital, Julieta C. Zabal

Theses/Dissertations from 1992


Effects of gamma radiation on the postharvest properties of oyster mushroom (Pleurotus sajor-caju (Fr.) Singer), Cynthia Cervero Divina


A study on the interaction of Pb (II) with herring sperm DNA by UV-vis spectroscopy, Eben S. Dy

Antimicrobial activities of extracts from the barks and seeds of ten common fruit trees, Fidelina Y. Evangelista


Bioaccumulation and bioelimination of arsenic (V) in tilapia nilotica, Julieta Generoso Geronimo


A new cembranoid diterpene from Sinularia flexibilis, Peter P. Guerrero


Two guaiane-based sesquiterpenes from a Sinularia sp. soft coral, Jaime Raul O. Janairo

A cytogenetic study of sand goby, Oxyeleotris marmorata Blkr. (Teleostei : eleotridae) from West Java, Indonesia, Jimmy T. Masagca

Species composition and nutritive value of shelled mollusks of Pampanga Bay, Remedios Eugenio Ongtangco

In vitro screening of some algal species in St. Paul's Bay, Palawan for antimicrobial activity, Ma. Cecilia G. Pangilinan


Partitions, congruence relations and simple lattices, Lucy O. Sia

Theses/Dissertations from 1991


Two approaches on the proof of the Amitsur-Levitzki theorem, Bernardo L. Bagorio


The forest structure of Irawan, Palawan, George V. Bañez

Studies on the biology of Diadegma Eucerophaga Horstm (Hymenoptera: Ichneumonidae), a parasitoid of Plutella Xylostella Linn. (Lepidoptera: Yponeumotidae), Denisa L. Domondon

The effects of varying doses of gamma radiation on the mycelial proliferation, morphology, productivity and shelf-life of oyster mushroom (Pleurotus sajor-caju (Fr.) Singer) in three succesive generations, Cecilia Tamayo Galvez


Isolation, characterization and antimicrobial assay of steroids from the chloroform extract of Sarcophyton elegans, Lorna Milly Avila Navaja

Isolation, characterization and antimicrobial assay of some compounds from Sarcophyton tortuosum, Beatriz Agustin Penalosa


A study of the effect of methylmercury on deoxyribonucleic acid (DNA) helicity using UV absorption spectroscopy, Ana Jane Mari Somoza

Theses/Dissertations from 1990


Effects of gibberellic acid on seed germination, vegetative, flowering and fruiting stages of bush sitao following exposure to gamma radiation, Floramae F. Amahan

Morpho-anatomical effects of gamma radiation on the vegetative growth and yield of tomato (Lycopersicon esculentum Miller), Cristina Garcia Cabanacan

Stomach content of the green mussel Perna viridis (L.) in relation to the plankton composition and some physico-chemical characteristics of mussel culture farms in Bacoor Bay, Cavite, Rosalina H. Coral

Physics course syllabus based on perceived needs of students and instructors at the Isabela State University, Andres D. Del Rosario

In vitro screening of some Philippine plant extracts as potential inhibitors of dermatophytes, Nieves Capili Ganac

Performance of five strains of silkworm (Bombyx mori L.) reared on three varieties of mulberry (Morus alba L.), Sofronio Perez Kalaw

A biophysico-chemical study of a segment of Chico River receiving sugar processing waste water, Roger Asuncion Pua

Utilization of selected agro-industrial wastes for mushroom and crop production, Renato Gutierrez Reyes

Screening of some local plants of the Itawes of Cagayan for antimicrobial activities, Oscar Maramag Turingan

Theses/Dissertations from 1989

Anatomical study of the stems of some species of Philippine rattans, Esperanza Maribel G. Agoo

Comparative toxicity of crude oil derivatives-hydroquinone, resorcinol and catechol to gametes and embryos of the sea urchin Tripneustes gratilla L., Josette Talamera Biyo

Characterization of the hair structures in 21 genera of Philippine bats, Joselito B. Hapitan

Screening of some Philippine medicinal plants for aflatoxin-producing Aspergillus flavus, Jonas T. Quiat

A survey of the parasites of Nile tilapia (Oreochromis niloticus (L.)) in the Philippines, Melba G. Bondad Reantaso

A survey of the parasites of milkfish (Chanos chanos (Forskal)) in the Philippines, Simeona Eugenio Regidor


The effects of hog manure ammonium sulfate and complete fertilizer on the growth and yield of IR66, Salve M. Rola


Spectrophotometric measurement of low levels of carbon monoxide: The phosphomolybdic acid method, Clovia Isabel S. Zayas

Theses/Dissertations from 1988

The rate of the decomposition of selected organic waste materials by Lumbricus rubellus, Erlinda C. Bestre

Marine phytoplankton composition and productivity in Talin Bay, Batangas, Editha P. Fornillos

On Maritz' estimates of regression coefficients : extensions, asymptotic distribution and hypothesis testing, Emmanuel B. Macalalag

The effect of different levels of Azolla pinnata on the growth and laying performance of native ducks (Anas domestica), Marietta Panelo Nisperos

The suitability of snail (Pomacea sp.) meal as substitute for fish meal in diets of cage-cultured Nile tilapia (Oreochromis niloticus) at three stocking density levels, Dante M. Reazo

Theses/Dissertations from 1987

The effects of three selected food items on the weight, reproductive capacity, and protein content of the golden miracle snails (Pila leopordvillensis), Magdalena G. Florendo

An ethnobotanical study of the Alangan Mangyans of Northeastern Mindoro, Emelina H. Mandia

Theses/Dissertations from 1986

Trace analysis of molydenum: studies on azolla and soil, Mila Lajo Aldema

Effects of gamma-irradiation on the biochemical constituents and shelf-life of chico (Achras zapota L.), Erlinda Guerrero

Investigations of some chemical constituents in coleus amboinicus, Reynaldo F. Robles Jr.

Theses/Dissertations from 1985

1, 3-dichloro-1, 1, 3, 3-tetraisopropyldisiloxane (TIPDSiCl2) and 2, 2, 2,-trichloro-tertiarybutyl-esterchloroformate (TCBOC-C1) as protective groups of ribonucleosides, Maria Luisa V. Arnaez


Food habits of zebra dove (Geopelia striata Linnaeus) in Colon, Maasim, South Cotabato., Belen T. Lumeran

Spectroscopic studies of the reactions of non-aqueous solutions of dichlorobis (N,N'-dibenzylthiourea) cobalt (II) and dibromobis (N,N'-dibenzylthiourea) cobalt (II) with oxidizing and reducing agents), Grace Israel Prado

Production and analysis of biogas from plant sources at different starter rates, Myrna del Rosario. Umagat

Theses/Dissertations from 1984


Spectroscopic studies of the reactions of Dichlorobis-N,N'-Diphenylthioureacobalt (II) in non-aqueous solvents, Catherine P. Ballesil


Some effects of gamma radiation on the cigarette beetle, Lasioderma serricorne (F.) (Col. Anobiidae), Jose Santos R. Carandang VI

Seasonal variation in the composition of shallow water zooplankton of Talin Bay, Batangas, Eileen Z. Vitug

Theses/Dissertations from 1983

Cage culture of Nile tilapia (Tilapia nilotica) without supplemental feeding in an organically enriched pond at three stocking density levels, Veronica Xavier L. Borbon

Theses/Dissertations from 1982

The occurrence of chaetogaster limnaei limnaei and its relationship with larval trematode in lymnaea philippinensis nevill occurring in Metro Manila, Cristina R. Dimatulac