chapter 7

Quartenary ammonium compounds quats cationic

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: s proteins Effective against tuberculoid bacteria but not endospores Benefits: active in the presence of organic contaminants, active long after application Limitations: odor, cause skin irritations Chemical Methods Chemical Methods 4. Phenolics: cont. Examples: Hexachlorophene now by prescription (can potentially cause neurological damage) as an antiseptic Active ingredient in "Lysol“ disinfectant “Listerine” antiseptic mouthwash Chemical Methods Chemical Methods 5. Quartenary Ammonium Compounds (Quats) Cationic (positively charged) detergents React with membranes to destroy them, may denature proteins Destroy many vegetative bacteria and enveloped viruses Benefits: cheap and great disinfectants Limitations: cause major skin irritations so not used as an antiseptic Chemical Methods Chemical Methods 6. Aldehydes: i.e. formaldehyde Crosslinks to DNA and proteins causing inactivation Can destroy spores as well as vegetative cells Benefits: can be employed as a sterilant if applied for a suf...
View Full Document

This note was uploaded on 03/24/2009 for the course MIBO 3500 taught by Professor Dustman during the Fall '09 term at UGA.

Ask a homework question - tutors are online