------------------------------------------------- ------------------------------------------------- EVALUATION OF EFFECTIVITY OF SOAPS AND DETEGENTS AGAINST BACTERIA BACTARIUM EVALUATION
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|COLOR BEFORE:RED LIGHT |GROWTH/NON-FERMENTATION | |PHENOL/ SUCROSE |COLOR BEFORE: RED |YELLOW | |GRAM STAIN |COLOR BEFORE:PINK |POSITIVE/COCCI
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thermotolerant coliforms‚ E. coli)‚ Pseudomonas aeruginosa‚ Staphylococcus aureus and Legionella spp. HPC‚ thermotolerant coliforms and E. coli are indicators in the strict sense of the definition. Non-faecally-derived Can used to determine non-faecal shedding. The absence of these organisms‚ however‚ does not guarantee safety‚ as some pathogens are more resistant to treatment than the indicators‚ no perfect indicator organisms 3. Staphylococcus aureus is a Gram-positive coccal bacterium that is
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colored colony. Gram-staining was utilized as a first step to differentiate between gram-positive and gram-negative. After determining that it was a Gram negative single bacillus‚ biochemical tests performed and their purpose and results are shown in table and flow chart form. Table 1: biochemical Test Results Test | Purpose | Reagents | Observations | Results | Gram stain | To determine the Gram reaction of the bacterium | Crystal violet‚ Iodine‚ Alcohol‚ Sarasin | Pink rod | Gram-negative rods
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spike. There has been a study that the mothanolic extract of the plant has anti microbial properties. The extract from Pansit- pansitan (Peperomia pellucida)‚ the compound showed significant antibacterial activity against 3 Gram- negatice bacteria (E coli‚ Staphylococcus aureus‚ S thyphi.) The researchers expect that the hand soap‚ using Pansit- pansitan extract as an active ingredient‚ will be more efficient and less expensive than the commercial hand soaps. Statement of the Problem 1. Can
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Effectiveness of Basella rubra (Alugbati) Fruit Extract as a Counterstain in Gram Staining Investigators: Astilla‚ Yasmin Marie Cala‚ Maria Victoria Bianca Ko‚ Mariell Lizardo‚ Francis Dominic Mariano‚ Maria Cristina Querol‚ Maria Zennah Quinto‚ Camille Rosales‚ Ana Mariella Valmonte‚ Kyla Nicole Villalon‚ Gian Angelo 4MT-2 Statement of the Problem Can Basella rubra fruit extract be used as a counterstain in Gram staining? Introduction & Background According to H. J. Croxx‚ when microscopists
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References: et al.‚ 2012). Our in vitro study evaluated the susceptibility of Pseudomonas aeruginosa Orthopaedics‚ 2011. 35(9): p. 1415-1420.) n 176B
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range. The bacterial suspension used for paired at different concentration data was Staphylococcus Aureus for which gave good results when the reduction factor value of 1.20x106 ml-1 was obtained for the organism as it was above the value 105 which was used a guideline for effectiveness of the test. For class data there was four organisms investigated which were: Staphylococcus Aureus‚ Enterococcus hirae‚ Pseudomonas aeruginosa and Escherichia coli. In general the disinfectant didn’t work as class
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animals. The presence of E.coli in foods is considered to be an indication of fecal contamination. Staphylococcus organisms are commonly found in the environment. Several species of Staphylococcus are found on the skin‚ intestines‚ nasal passages‚ etc. of warm-blooded animals. Some species of Staphylococcus‚ particularly Staphylococcus aureus can be pathogenic are capable of causing illness. Pseudomonas aeruginosa is widely distributed in soil‚ water and plants. It survives in hot tubs‚ whirlpools‚
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master my skills of using the Gram stain‚ testing for catalase‚ testing for coagulase and using the oxacillin screen. Now I am going to take you with me on the journey to the unknown. As I recall from earlier that semester‚ the first test that needed to be performed was the Gram stain. The Gram stain is a staining technique that aids in distinguishing cell wall characteristics and the cellular morphology. Bacteria will stain Gram positive‚ which is a purple color‚ or Gram negative‚ which is a pink
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