Title

Detection of fecal coliform in cellular phone among selected Grade 12 students in De La Salle Medical and Health Sciences Institute Special Health Sciences Senior High School

Date of Completion

7-2019

Document Type

Thesis

Degree Name

Grade 12

Keywords

Fecal Coliform, Bacteria, Cellular Phones, Enterobacteriaceae, MacConkey Agar Plates, Microorganisms

Abstract

The study used a qualitative descriptive observational design. The sample involved 15 cellular phones selected randomly from Grade 12 students of DLSMHSI-SHSSHS. Prior to laboratory use, materials were readied and prepared. The 15 cellular phones were swabbed with a damp sterile cotton swab. The cotton swabs were placed in sterile test tubes with labels, and were then transported to the laboratory. Each cotton swab was then streaked on its respective MacConkey Agar Plates, and incubated for 24 hours. After incubation, each plate was observed for the presence of fecal coliform. The researchers found that there was indication of bacterial growth, neither physical changes nor morphological characteristics, on the surface of all 15 MacConkey Agar Plates. The results therefore negate any presence of fecal coliform on the cellular phones of the sample respondents from the Grade 12.

First Advisor

Teresita T. Pineda

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