Department of Biology: Recent submissions

Now showing items 441-460 of 531

Effect of Eucalyptus deglupta leaf extract on yolk lipid peroxidation and liver histology in duck embryos

Berberabe, Rica Katreena B.; Jasmin, Stephanie Arah B. (2016-06)

Lipid peroxidation is a type of oxidative damage wherein free radicals attack lipids and cause rearrangement of bonds, leading to membrane impairment. This study was conducted in order to determine the effect of Eucalyptus ...
Effect of aqueous leaf extract of Eucalyptus deglupta on the early morphological head and brain development of Anas platyrhynchos domesticus l.

Calalang, Paolo Carlo; Yu, Earl Everett T. (2016-06)

The cytotoxic effects of Eucalyptus deglupta leaf extract on non-mammalian systems have been reported in previous studies. However, the adverse effects of the extract on vertebrate tissues are not known. The present study ...
Alleviation of NaCl stress in Oryza sativa L. (Mestizo 55 rice) pretreated with abscisic acid: an assessment.

Carandang, Timothy Hudson David C.; Milla, Franclene John C. (2016-06)

The Philippines has rich soil suitable for agriculture but intrusion of salts into rice lands greatly reduce crop yield. Mestizo 55, a new variety released by Philippine Rice Research Institute (PhilRice) is nationally ...
Air Pollution Tolerance Index (APTI) of selected trees in different parks of Metro Manila.

Carillo, Napoleon V. Jr.; Ocampo, James Patrick P. (2016-06)

Trees in urban greening help mitigate the harmful effects of air pollution, however, are indicated to be affected by air pollutants. This study assessed the degree of tolerance of plants through their Air Pollution Tolerance ...
A Phytoplankton assessment of Las Piñas – Parañaque critical habitat and ecotourism area (LPPCHEA)

Cruz, Audrey Shannen I.; Salamanca, Pamela Nicole C. (2015-06)

This study assessed the phytoplankton composition in the waters of Las Piñas – Parañaque Critical Habitat and Ecotourism Area (LPPCHEA). The trophic state and the water quality of LPPCHEA were determined based on assessing ...
The Effects of Peperomia pellucida (L.) HBK methanolic extract on total blood cholesterol levels and liver histology of induced hypercholesterolemic rats

Alfonso, Pia Gabrielle I.; Riego de Dios, Maria Beatrice C. (2015-06)

Peperomia pellucida, an annual native herb found in the Philippines, has many ethnomedicinal uses including lowering cholesterol levels. In the present study, the antihypercholesterolemic effects of Peperomia pellucida ...
The effects on rice germination and seedling growth of volcanic soil from Bacolor, Pampanga.

Dela Rosa, Ara Lyn G.; Yu, Roland R. (2014-05)

The eruption of Mt. Pinatubo in 1991 caused drastic changes in the geomorphology and soil of the area. Pampanga is one of the provinces that was greatly affected by the eruption. Agriculture is the major industry in the ...
Occurrence of imposex and bioaccumulation of lead in the soft body tissues of Volema (Pugilina) cochlidium in Bacoor Bay, Cavite.

Barcelon, Elleia Corinne B.; Federo, Reyna Marie C. (2014-02)

This study aimed to determine the correlation between the occurrence of imposex and the bioaccumulation of total lead in the hepatopancreas of Volema (Pugilina) cochlidium collected in Bacoor Bay, Cavite. The snail samples ...
Ovitrap surveillance of Aedes (Stegomyia) aegypti (L.) in selected areas in the City of Manila, Philippines.

Cabatit, Patricia Malapit (2014-05)

Baseline information is provided on the larval density of Aedes (Stegomyia) aegypti (L.) populations in two urban communities in the City of Manila, Philippines, named Barangay 690 and Barangay 693, with varying vegetation ...
Effect of decoction of Tawa Tawa (Euphorbia hirta) on the white blood cell count and Peyer’s patches of male white mice (Mus musculus castaneus).

Rodriguez, Ron Christian Neil T.; Tan, Abbie Lorraine V. (2014-04)

The use of Euphorbia hirta L. decoctions as prophylaxis against dengue has been reported in some provinces in the Philippines. However, no scientific studies have been done to validate the claim. A decrease in white blood ...
Anti-hyperglycemic effect of Ficusulmifolia Lam. (Moraceae) crude leaf extract on the blood and urine glucose levels of mice fed on a high carbohydrate diet.

Baldeo, Margarette Y.; Soriano, Melizza J. (2014-04)

The study aims to assess Ficus ulmifolia as a possible alternative source of antihyperglycemic agent. In order to test if F. ulmifolia crude leaf extract can lower blood glucose levels in a person with diabetes, a temporary ...
Determination of chlorophyll-a and phosphate concentration from selected sites in Manila Bay.

Bagon, Bernadette B.; Rañola, Guia Carmela G. (2014-04)

This study determined the relationship between chlorophyll-a and phosphate concentrations in the waters of Manila Bay. Grab water sampling for three consecutive months at 4 heterogeneous locations in the Las Piñas – Parañaque ...
Avicennia marina (Forssk.) Vierh. as phytoaccumulator of sediment heavy metals in the Las Piñas – Parañaque Critical Habitat and Ecotourism Area (Philippines).

Santos, Adrian L.; Uy, Mary Nadine Alessandra R. (2014-04)

Las Piñas-Parañaque Critical Habitat and Ecotourism Area (LPPCHEA), being the last coastal frontier of Metro Manila, functions as a sink to a variety of pollutants including heavy metals. Its mangrove forest is known to ...
Relationships between herbivory and plant defense characters among selected trees in La Mesa Watershed.

Buerano, Karl Christian F.; Santos, Jordan P. (2014-04)

Existing herbivory studies mostly focus on the ecosystem level, while physiological and morphological parameters affecting this community interaction are left understudied. The study of the success of invasive species lacks ...
Evaluation of three candidate DNA barcoding loci in Ficus (Moraceae) of the Philippines.

Brillantes, Rochelle; Olivar, Jay Edneil (2014-04)

DNA barcoding is a technique that produces a quick and reliable species–level identification between closely related and highly diverse species among all forms of life by making use of short DNA sequences from standardized ...
Correlation between heavy metal (As, Cd, and Pb) concentrations in water, sediments, and green-lipped mussel (Perna viridis L.) collected from Manila Bay, Philippines.

Kim, Karla Jean G.; Evidente, Gianne Imnah V. (2014-03)

This study was conducted to determine the relationships between the heavy metal concentrations in water, sediment and Perna viridis soft tissue samples in Manila Bay. Two sites in Manila Bay were determined, wherein ...
Cytotoxicity assessment of organic extracts obtained from indoor air dust from selected primary public school buildings in Metro Manila, Philippines on A549 human adenocarcinoma epithelial cell lines.

De Jesus, Federico Cristobal C. II; Del Rosario, Carla Mae B. (2014-03)

Establishments located in Metro Manila are repositories for various environmental contaminants harboring in indoor air dust making it the most significant source of exposure particularly for children. This study aimed to ...
Effect of a modified earthworm formulated feed (MEF) on the growth and development of juvenile giant freshwater prawns Macrobrachiumrosenbergii.

Ang, Miles Y.; Guevarra, Kenneth Matthew C. (2014-04)

The use of commercial feeds for prawn aquaculture constitutes a significant investment amounting to approximately 40-60% of the total cost of operations (Mitra et al., 2005). This study aims to describe the effects of a ...
Bioaccumulation of lead in Volema (Pugilina) cochlidium from Bacoor Bay, Cavite

Buenaventura, Maura Cellina B.; Paglinawan, Jamaica Gicelle M. (2014-04)

This study focused on determining the lead concentration of the water and sediment obtained from the coastline of Sangley Point, Bacoor Bay, Cavite, and in the shells and hepatopancreas of the gastropod, Volema (Pugilina) ...
Health risk assessment of indoor dust-associated heavy metals obtained from four Philippine public hospitals.

Escudero, Ma. Rosila Flor D.J.; Lirio, Ma. Romina Jiselle A. (2014-04)

Heavy metal concentrations in indoor dusts can have significant human health risks through inhalation, ingestion, and dermal absorption. The present study aims to assess the health risks of four heavy metal concentrations ...

Now showing items 441-460 of 531

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