Chemical Antimicrobial

Card Set Information

Author:
Sypes
ID:
263510
Filename:
Chemical Antimicrobial
Updated:
2014-02-23 14:23:50
Tags:
Microbiology
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Description:
Microbiology- Chemical Antimicrobial Agents
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  1. Remove microbes, oily substances, and dirt
    Soaps and detergents
  2. Soaps contain alkali and sodium and will kill
    • Streptococcus
    • Micrococcus
  3. Detergents penetrate into all crevices and cause dirt and microbes to be
    Lifted out and washed away
  4. Lower pH of materials sufficiently to inhibit fermentation; used as food preservatives
    Acids and alkalis
  5. Inhibit bacterial growth; mercury, copper, silver
    Heavy metals
  6. Silver nitrate is dropped into eyes of newborns to prevent
    Gonococcal infection
  7. May have greater germicidal action as a
    Tincture (metal and alcohol)
  8. Chlorine, iodine, bromine; control microbes in drinking water, pools, soil,  wound cleansing, root canal therapy
    Halogens
  9. Denature proteins and dissolve membranes
    Alcohols
  10. Used as skin antiseptics but will not kill endospores
    Alcohols
  11. Disinfect surfaces and destroy discarded cultures; Lysol
    Phenols
  12. Can retain antimicrobial action for several days
    Phenols
  13. Disrupt disulfide bonds in proteins and thus disrupt structure of membranes and proteins
    Oxidizing agents
  14. Hydrogen peroxide cleanses puncture wounds when O2 kills obligate anaerobes present, cleans contact lenses
    Oxidizing agents
  15. Disrupt nucleic acids but may cause cancer
    Alkylating agents
  16. Formaldehyde inactivates viruses, Ethylene oxide gas sterilizes rubber, mattresses, plastics
    Alkylating agents
  17. Interfere with cell replication
    Dyes
  18. Methylene Blue inhibits growth, Crystal Violet blocks cell wall synthesis
    Dyes
  19. Plant oils (Thyme used as preservation, cloves used for cavities), food preservations
    Other agents

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