Term
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Definition
| techniques used to prevent microbial contaminations of instruments, labs, personnel, and patients in surgery, pharmaceuticals, and food products |
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Term
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Definition
| destruction and removal of all viable microorganisms from an objec or habitat |
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Term
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Definition
| reducing number of pathogens to the point where they can no longer cause disease |
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Term
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Definition
| chemicals applied to living tissue |
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Term
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Definition
| chemicals applied to inanimate objects |
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Term
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Definition
| inhibit total cell count and viable cell count (inhibits growth without killing microbes) |
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Term
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Definition
| reduces both total and viable cell counts, without lysing cells |
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Term
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Definition
| reduces number of total and viable cell count by lysing the cells |
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Term
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Definition
| removes microbes from solution by using a filter |
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Term
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Definition
steam under pressure
121°C at 15psi for 15 mins
not effective against heat-liable substances |
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Term
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Definition
100°C for 30 mins
not effective against endospores |
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Term
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Definition
mostly for reducing number of spoilage organisms and pathogens
72°C for 15 seconds or 140°C for 4 seconds |
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Term
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Definition
| disrupts plasma membrane, inactivates enzymes, and denatures proteins |
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Term
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Definition
disrupts plasma membranes and stop fatty acid synthesis
bacteriostatic to bacteriocidal |
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Term
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Definition
denature proteins and dissolve lipids
bacteriocidal
requires water to work
high concentraion can cause protective coagulation around microbe and does not kill it |
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Term
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Definition
tinctures and iodophores
alter protein synthesis and membranes |
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Term
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Definition
oxidizing agent
disinfectant |
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Term
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Definition
destroys all membranes
bacteriostatic and bacteriocidal
used as antiseptic and disinfectant
not effective against pseudomondas, endospores, and some viruses |
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Term
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Definition
surface-acting disinfectants
decreases surface tension among molecules of a liquid |
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Term
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Definition
degerming
physical removal of microbe from limited area |
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Term
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Definition
| sanatizes by damaging enzymes |
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