CHAPTER I INTRODUCTION Background of the Study Early liquid hand soaps were made primarily for hospitals‚ restaurants and public facilities where regular hand washing was required. The original soaps were thicker and required a particular type of pump dispenser to deliver the product. The dispensers were expensive in spite of the fact that they clogged easily and were in constant need of repair or replacement. This combination of problems kept liquid soaps out of the household for many years. Eventually
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CHAPTER I INTRODUCTION Background of the Study Mangrove swamps are forested intertidal ecosystems that occupy sediment-rich sheltered tropical coastal environments. By trapping and stabilizing fine sediments‚ mangroves control the quality of marine coastal waters. Aside from maintaining coastal food webs and populations of animals‚ mangroves have an important role in pollution control through their absorptive capacity for organic pollutants and nutrients‚ and they play an important role in storm
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water because without anything to help it‚ water cannot do anything. For example‚ if you wash your hands and you do not use any soap‚ none of the germs on your hand will be cleaned. Materials: The materials we used in this lab were a petri dish with agar‚ forceps‚ water‚ alcohol‚ hydrogen peroxide‚ antibacterial soap‚ filter paper disc‚ tape‚ and a permanent marker. Procedure: We started this lab on May 12‚ 2014. Using a permanent marker on the bottom of the dish‚ we divided it into 4 sections.
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antibiotic-producing microbes in the soil that was taken from a local sample. To do so‚ two different samples of bacteria have been taken and placed onto agar plates (labelled A and B). As we allow each sample to grow‚ our objective will be to see what‚ if any‚ antibiotics develop and inhibit the growth of the bacteria. We predict that antibiotics will form on the agar plates‚ thus inhibiting the growth
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aureus. Introduction: The purpose of this lab was to determine the identity of an unknown bacteria slant culture using a series of differential tests. The tests used to identify the unknown bacterial culture included: Gram stain‚ mannitol salt agar‚ coagulase tube test‚ and an antimicrobial susceptibility test. The tests selected were based on the results of a gram stain. Gram staining‚ the most commonly used differential stain‚ allows for the fast and easy detection between gram negative and
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Absract The aim of the prac was to identify and isolate Staphylococcus aureus and Eschericia coli in milk and salmonella in poultry.It was to investigate bacteriological quality of milk and poultry. Salmonella is areprobably the most important cause of food borne illness globally.Staphylocooccus aureus all cause food borne diseases if consumed in a contaminated milk. For milk a spread plate method was used and for poultry a streak method was applied using different Medias. All food contain a certain
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Selective enrichment broth- with Tetrathionate Brilliant Broth Selective Plating- Brilliant Green Agar Isolation of salmonella conformation- is preformed using TSI and LIA Test results Tetrathionate Brilliant Green Broth (TGBG)was inoculated from the whirl pack spinach infected bag. TBGB inhibits the growth of organisms other than salmonella. The next test preformed was the Brilliant Green Agar (BGA)
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Background: In Jane Horack’s article “Staphylococcus epidermidis”‚ S. epidermidis is described as “gram-positive cocci bacteria that are part of the normal flora on the skin and nasal passages.” The article goes on to say that the species was originally named Staphylococcus Albus by microbiologist Rosenback in 1884. When viewed under a microscope S. epidermidis will appear in chains‚ pairs‚ or grape-like clusters (Horak 1). Taxonomically‚ the species S. epidermidis falls in the genus Staphylococcus
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moved from one organism to another with the use of pGlo plasmids. It was hypothesized that if bacteria that were transformed with +pGlo plasmids are given the gene for GFP‚ then transformed cell colonies will be located on the LB/amp/ara and LB/amp agar plates. Cells that have been transformed with +pGlo plasmids have the ability to grow in ampicillin plates‚ and the arabinose sugar allows the colonies to be visibly fluorescent under ultraviolet light. The GFP is able to resist ampicillin because
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performing these tests was to distinguish six different microbes from one another and to compare how their metabolic and biochemical processes differ from species to species to determine the unknown sample. The tests included: Triple sugar iron agar (TSAI)‚ the Sulfide Indole Mobility (SIM) test‚ Glucose fermentation‚ the Methyl Red test‚ the Voges-Proskauer test‚ Citrate test‚ the Urease Test‚ and finally the Gelatin test. The microbes that were tested during this lab were: Escherichia coli
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