Microbiology Abstract: The purpose of this lab was to use the Kirby-Bauer method to test the sensitivity of Staphylococcus epidermis of specific areas on a petri dish. The antibiotics were gentamicin‚ novobiacin‚ and penicillin. This resembled a culture and sensitivity test that is preformed at the hospital’s laboratory to find out the resistance of a microorganism. This experiment was meant to use the naked eye and a magnifying glass when necessary. Procedures: This experiment called for prepared
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Antibiotics are rapidly becoming useless and we are forced to deal with the problems of the post antibiotic era. Our current state is urgent to say the least‚ the entire CDC urgent threat list is filled with a wide range of multi-resistant bacteria. Clostridium difficile is the first on the list‚ it is gram-positive and erupts from the distribution of normal colon bacteria. The on set primarily starts by taking antibiotics‚ because Clostridium difficile is immune to nearly all antibiotics. Second
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resistant to some drugs‚ it is not resistant to others. It is best to began antimicrobial treatment as soon as MRSA infection is suspected. Antimicrobial treatment will depend on‚ according to ‚ what type‚ location‚ severity of symptoms‚ and which antibiotics the strain of MRSA is not resistant towards. The “best” treatment for MRSA would be prevention of MRSA contraction and/or spread of MRSA from patient to patients(MSRA 2017). Proper hand washing‚ hygienics‚ keeping personal items of your own and
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Richard Dogmagk experimented with a red dye called prontosil and found that it had strange healing effects‚ when he injected the dye into mice with severe streptococcus infections‚ they all survived. Dogmagk had discovered the one of the fist antibiotics‚ specifically the first Sulfa drug. When scientists isolated the active part of the prontosil molecule they discovered how it and all sulfa drugs work. Sulfa drugs contain a sulfur atom that has six total bonds (shared electrons) and six electrons
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Doctors must know which antibiotic kills each disease-causing bacterium. We‚ Chelsea and Justin‚ will find out how Erythromycin‚ Penicillin‚ and Ampicillin are affected by the bacteria Serratia marcescens. Our hypothesis is that Penicillin will have the largest ring of inhibition‚ the ring around the disk where the antibiotic has killed bacteria. We believe Penicillin will be the most common antibiotic that we have heard of. The materials we used to make this test possible consists of a sterile
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Penicillin V is a first-generation penicillin used to treat infections generally caused by gram-positive bacteria. Penicillin V consists of 16 carbons‚ 18 hydrogens‚ two nitrogen‚ five oxygens and a sulfur atom. The beta-lactam group is the ring composed of two nitrogen‚ a sulfur atom‚ and an oxygen double-bound to a carbon. Penicillin works by bursting a bacteria’s cell wall; this is done by inhibiting the proteins that link peptidoglycans together in the cell wall‚ which prevents the bacteria from
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simple to complex ones that can be fatal or debilitating‚ but because of the continuous researches and studies to protect the human race‚ antibiotics were discovered. Antibiotics inhibit the release of toxins of these microorganisms or simply fight against them to eliminate the harmful effects they bring about. Luckily‚ before one can resort to the use of antibiotics that can also have side effects on the body‚ there are six components that must be established‚ and can be interrupted‚ before an infection
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Clostridium difficile colitis is the condition cause by the c-diff bacterium. It is an antibiotic associated colitis‚ an infection of the colon. It occurs primarily among individuals who have been using antibiotics. It is the most common infection acquired by patients while they are in the hospital. How does C-Difficile cause colitis? C-Diff spores lie dormant inside the colon until a person takes an antibiotic. The antibiotic disrupts the other bacteria that normally are living in the colon and preventing
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was 19 ½ inches long. She had blue eyes and a head full of hair. I was a very proud momma. I still am. Before we left the hospital I was informed that she was born with Bilateral Hydronephrosis and Bilateral Kidney Reflux. It was treated with an antibiotic. Everything was great for the first month‚ and then she got sick. Lexi started having trouble eating and she was very fussy‚ so I took her to the emergency room. There they did every test imaginable on her. They tested her for everything. Finally
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Minimum Inhibitory Concentration (MIC) is a way to measure the sensitivity of microbes to antibiotics or antifungals (antimicrobials). Organisms are tested for growth in various concentrations of antibiotic. This allows microbiologists to see which concentration (MIC) of antimicrobial will be effective against the pathogen. It also used for determining treatment for patients suffering from infections such as pneumonia‚ meningitis‚ endocarditis or osteomyelitis or managing the treatment of high-risk
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