march 20 micro notes

Card Set Information

Author:
andreathors16
ID:
142835
Filename:
march 20 micro notes
Updated:
2012-03-20 21:27:16
Tags:
microbiology test three
Folders:

Description:
blahh
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user andreathors16 on FreezingBlue Flashcards. What would you like to do?


  1. phenols
    • penetrate plasma membrane
    • lister and carbolic acid
    • cresol- active ingretient in lysol
    • bisphenols- halogen containing phenols
  2. phenol coefficient
    chemical agents evaluated relative to phenol
  3. halogens
    • chlorine and drinking water
    • bleach
    • iodine and betadine
    • choramines
    • triclosan and hexaclorophene
  4. alcohol
    • 70 % ethanol
    • isopropanol
    • require some water to be effective
    • used with other agents
  5. biguanides
    • alcohol
    • avagard
    • killing effect retaled to damage of plasma membrane
    • mycobacteria and endospore are resistant
  6. soaps
    • emulsification of oils increases bacterial removal
    • deodorant soaps contain triclocarbon
  7. acid
    anionic agens used in dairy industry
  8. quaternary ammonium compounds
    • work best against gram + bacteria
    • less effective agains gram -
    • kills fungi potozoa and viruses
    • psuedomonas resistant
  9. aldehyde
    • react with organic functional groups
    • formaldehyde
    • glutaraladehyde
    • used for embalming
  10. heavy metals
    • toxic
    • silver nitrate used on infant eyes (replaced by antibiotics)
    • copper sulfate
    • mercury toxicity and resistant
    • zinc choloride and oxide in toothpaste
  11. acid and bases
    • ph extremes inhibit growth of bacteria
    • acid (pickles and tomatoes)
    • trisodium
    • propinoic acid in bread
    • benzoic acid in soft drinks
  12. gases
    • very penetrating
    • possible carcinogen
    • does not damage intruments but expensive to use
  13. ozone
    being used in water treatment
  14. hydrogen peroxide
    surface disinfecting
  15. benzoyl peroxide
    skin treatment
  16. peracetic acid
    used in food processing cuz residue is non toxic
  17. ethylene oxide
    stronger oxidizer and alkylating agent

What would you like to do?

Home > Flashcards > Print Preview