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Ch. 12 - Sterilization and Disinfection
Sterilization and Disinfection
21
Microbiology
Undergraduate 2
03/21/2012

Additional Microbiology Flashcards

 


 

Cards

Term
Sterilization
Definition
no life left behind
Term
Disinfection
Definition
reduction in number of microbes

used on something INanimate
Term
Antiseptic
Definition
reduction in number of microbes

used on something ANIMATE
Term
Sepsis
Definition
an infection in blood or tissues
Term
Germicide
Definition
can kill pathogens and non-pathogens

not necessarily endospores
Term
Sanitizer
Definition
reduces the number of microbes
Term
Bacteriostatic
Definition
can stop bacterial growth
Term
Microbe's most susceptible phase
Definition
Log phase - enzymes working at their max
Term
Potentcy
Definition
effectiveness
Term
the potency/speed of destruction of Chemical agents doubles w/
Definition
every 10 degrees C
Term
Ethyl Alcohol works best at:
Definition
70% concentration
Term
The Phenol Coefficient
Definition
the ratio of the dilution of the agent being tested to the dilution of phenol that will kill all organisms in 10 minutes but not 5 minutes.
Term
Denaturization
Definition
protein damage (cell membranes are made of proteins)
Term
Surfactant
Definition
reduces surface tension
Term
Quarternary Ammonium Compounds
Definition
positively charged attracts negatively charged cells, which get pulled to it and have their cell membranes broken by it's sword shape
Term
Silver Nitrate
Definition
kills gonorrhea
Term
Copper Sulfate
Definition
kills algae
Term
Thermal Death Point
Definition
TEMPerature it takes to kill all bacteria in 10 min
Term
Thermal Death Time
Definition
TIME it takes to kill all bacteria at a temperature
Term
Moist heat
Definition
denaturing the proteins of bacteria
Term
Dry heat
Definition
oxidizes molecules of bacteria
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