Shared Flashcard Set

Details

Micro
Ch. 11
25
Microbiology
Undergraduate 3
05/05/2013

Additional Microbiology Flashcards

 


 

Cards

Term
Sterilization
Definition
Destruction of all microbial life
Term
Disinfection
Definition
Destroys most microbial life on inanimate surfaces
Term
Antisepsis
Definition
Destroys most microbial life on living surface
Term
High resistance
Definition
Prions & endospores
Term
Moderate resistance
Definition
Protozoan cyst, some fungal spores, naked viruses, some hearty bacteria.
Term
Low resistance
Definition
Most bacteria, most fungi, hyphae, enveloped viruses, yeasts.
Term
Sanitization
Definition
Washing dishes or clothes
Term
Degerm
Definition
Hand washing & surgical scubbing
Term
Affect Cell wall
Definition
Penicillin, vancomycin, detergents, alcohol
Term
Affect cell membrane
Definition
Surfactants-open holes in the membrane
Term
Affect protein synthesis
Definition
Radiation, streptomycin, tetracycline, erythromycin
Term
Affect protein function
Definition
Denature and coagulation
Term
Autoclave
Definition
Commercial device used for steam-heat sterilization
Term
Flash pasteurization
Definition
71.6˚C for 15 sec
Common in Europe & Asia
Term
Batch pasteurization
Definition
63-66˚C for 30 min
US method
Term
Ultrahigh-temperature
Definition
134˚C for 1-2 sec EX: coffee creams
Term
Radiation
Definition
Energy emitted from atomic activities and dispersed at high velocity through matter or space
Term
Ionizing radiation
Definition
Excites the electrons to the point that they are ejected from the molecule entirely causing the formation ions
Term
Non-ionizing radiation
Definition
Excites electrons causing them to jump orbitals but don't leave the molecule. EX: UV rays
Term
Sonicator
Definition
Water-filled chamber through which the sound waves become vibrations that can disrupt cell structure
Term
Halogens
Definition
Flourine, Bromine, chlorine, idodine. Disrupt enzyme function.
Term
Phenol
Definition
Denature proteins & disrupt cell membrane. EX: lysol
Term
Alcohols
Definition
Denature proteins & disrupt cell wall & membranes
Term
Aldehydes
Definition
Sterilize
Term
Ethylene Oxide Gas
Definition
Sterilize, react w/ proteins.
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