Halogens ie chlorine and iodine oxidize proteins

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: uickly Benefit: low toxicity to humans makes it a good antiseptic Chemical Methods Chemical Methods 2. Ethylene oxide gas Combines with cellular proteins (enzymes) Sterilizing agent, kills all microbes Limitations: potential explosions; toxicity to humans­ requires special sterilization chamber Benefits: good for sterilization of heat­ sensitive items like plastics and electrical implants (i.e. pacemakers) Chemical Methods Chemical Methods 3. Halogens: i.e. chlorine and iodine Oxidize proteins Effective against all microbes Disinfectants: chlorine Cheap but can irritate skin, so not used as an antiseptic usually Example: low concentration used for drinking water, pool maintenance Antiseptics: iodine Cheap and safe for skin Example: used as tincture in alcohol (Betadine, provoiodine); often stains skin yellow Chemical Methods Chemical Methods 4. Phenolics: i.e. phenol and cresol One of first disinfectants used (recall Lister) Destroys cytoplasmic membranes and denature...
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 University of Georgia Athens.

Ask a homework question - tutors are online