18+19+sum08

18+19+sum08 - Exp 17 follow-ups will be Thursday. Leave...

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Exp 17 follow-ups will be Thursday. Leave tubes and plates in incubator room.
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Antimicrobial agent - Chemical that kills or inhibits the growth of microorganisms. Cidal Agent Static Agent lethal inhibits growth kills microbes does not kill microbes virucidal virustatic fungicidal fungistatic bacteriocidal bacteriostatic Disinfectant – antimicrobial agent used only on inanimate objects. Ex. ammonia, bleach, ethanol Antiseptic – antimicrobial agent that can be applied to living tissue. Ex. iodine, ethanol
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Factors affecting the effectiveness of a chemical agent: Contact time and concentration of agent. Effectiveness of an antimicrobial agent is determined by the size of the zone of inhibition . Zone of inhibition - Clear area around antimicrobic disc where there is no bacterial growth. Size of the zone of inhibition depends on 1. diffusion rate of the chemical agent into the media 2. concentration of the bacteria 3. type of growth medium Confluent lawn of bacteria Zone of inhibition
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18+19+sum08 - Exp 17 follow-ups will be Thursday. Leave...

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