gen cephalosporin/beta lactam) * Adjunctive treatment with Dexamethasone Meningitis Pathogenesis – Bacteria * Infection begins with nasopharyngeal or oropharyngeal colonisation * IgA proteases are secreted by bacteria to combat the high concentrations of secretory IgA found on mucosal surfaces * Pili and flagella are used to adhere to host epithelial cells, and bacteria then enter the blood stream * Once in the
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test. After allowing the corresponding time for each biochemical test, data was collected to determine the unknown bacteria. The broth culture in this experiment was determined as Escherichia coli. Introduction All organisms are divided into three domains; bacteria, archaea, and eukarya. The organisms making up domain Bacteria and domain Archaea are all prokaryotes. Although bacteria and archaea look the same, archaea is more closely related to eukarya (Madigan et.al 2009). The ability to adapt
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2 mins3 mins 30 secs2 mins | IntroductionMake this exercise fun and interactive as possible. Divide the learners into 2 teams. 1 team will be given a set of artificial fingernail tips to wear along with instructions on how to put them on and the other team of learners will not be given artificial fingernail tips. Give both groups bowls of flour and water and instruct them to make small balls of dough with these materials. Do not allow the first group to remove their fingernail tips and do not allow
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Diagnostic and Biochemical Tests for Gram Positive Cocci/ Gram Negative Bacilli By: Angelita A. Briñas, RMT I. CATALASE TEST + result vigorous effervescence II. COAGULASE TEST III. MANNITOL SALT FERMENTATION TEST IV.DNASE TEST * * Staphylococus aureus on the left is negative for DNase production; the Serratia marcescens on the right is positive for DNase production as evidenced by the area of clearing around the growth. IV. NOVOBIOCIN TEST Rapid
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Unit 21: Biomedical science techniques Assignment one Task one Bacteria Virus Fungi Protozoa Structure Structure of bacteria includes a cell wall made up of glycoprotein murein, a plasma membrane made up of proteins, phospholipids and carbohydrates which make a fluid mosaic. It also consists of cytoplasm, ribosome which is small granule made up of protein and RNA, plasmid that are a small circle of DNA, flagella which has a rigid rotating tail, Pilli which has small protein appendages and
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including bacteria, combined, cause or contribute to 99,000 deaths each year. In Europe, where hospital surveys have been conducted, the category of Gram-negative infections are estimated to account for two-thirds of the 25,000 deaths each year. Nosocomial infections can cause severe pneumonia and infections of the urinary tract, bloodstream and other parts of the body. Many types are difficult to attack with antibiotics, and antibiotic resistance is spreading to Gram-negative bacteria that can infect
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Fundamentals of Biotechnology: BS934 Assignment title Antimicrobials Student Number 1464986 Word Count 2470 The article will initially cover conventional antibiotics and how their abuse led to antibiotic resistance in bacteria. Alternative antimicrobials will be reviewed by taking into consideration their mechanisms of action and how they can represent a viable option to address the issue of antibiotic resistance. Antimicrobial Background -------------------------------------------------
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population, including food pathogens, during sprouting. Population as high as 109 CFU/g have been reported in sprouts obtained from retail stores (Patterson et al, 1980, Prokopowich et al, 1991). Many published studies have shown that pathogenic bacteria not only survive but can also grow on sprouts under favorable conditions (Portnoy et al., 1976, Harris et al., 1986, Steinbruegge et al., 1988, Abdoul-Raouf et al., 1993, and Farber et al., 1998). The seeds are generally
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This essay is about superbugs that can be found in a hospital setting. Because one out of every twenty patients admitted to a hospital will contract an infection according to the Center for Disease Control and Prevention (CDC), it’s important to understand the science behind them. These superbugs are methicillin-resistant Staphylococcus aureus (MRSA), Clostridium difficile (C. diff), Vancomycin-resistant Enterococci (VRE), Carbapenem-resistant Enterobacteriaceae (CRE) and Carbapenem-resistant and
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for sulfonamides and select indication for use between different patient population. Type and class of Pathogen Sulfonamides have been in use since the 1930's , these drugs are effective against both gram- negative and gram - positive bacteria. Sulfonamides are know as broad spectrum antimicrobial drugs; they are effective against a wide variety of microorganisms most Enterobacteriaceae, Chlamydia trachomatis, Nisseria, Haemophilus influenzae,, Norcardia, E.Coli , P. mirabilis some
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