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24 Cards in this Set
- Front
- Back
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Medicinal chemicals widely used during the 1800s
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Phenol & Iodine
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Chemicals rarely achieve _____ but they do ______
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Sterilization / disinfect
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Destroys pathogens on inanimate objects
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Disinfectants
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Destroys pathogens on organic tissue
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Antiseptics
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Reduce pathogen numbers or discourage growth
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Sanitization
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Removes organisms
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De-Germing
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______-Cidals
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Bactericidal, Fungicidal, Sporicidal, Germicidal
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Important properties of disinfectants or antiseptics
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Kill or slow growth, non-toxic, water soluble, storable, non-corrosive, inexpensive
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Factors affecting bacterial growth
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Water, nutrients, pH, temperature, osmotic pressure
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Range of effectiveness compared to Phenol
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Phenol coefficient
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Compounds that denature proteins and disrupt cell membranes
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Phenolic compounds
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Combinations of two phenol molecules
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Bisphenols
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Lysol
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orthphenylphenol
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Bath soap, toothpaste, deodorant
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Hexachloropene
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Broad spectrum antimicrobial agent
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Triclosan
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Keeps bacterial populations in water low
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Chlorine
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Chlorine combines with water to create _____ which ______
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hypochlorous acid / impairs cellular enzymatic function
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Bleach
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Sodium hypochlorite
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Used in food processing, antiseptics and surface disinfectants
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Chlorine dioxide
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Used to disinfect wounds, water and equipment by impairing _____ and altering _____
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Iodine, protein synthesis, cell membranes
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React with proteins to disrupt cellular metabolism
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Heavy Metals
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Mercuric Acid
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Disinfectant restricted due to toxicity
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Copper sulfate
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Destroys green algae
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Silver
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Antiseptic, sometimes used as ointment
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