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Week 1 test 3

by: UNT_Scientist

Week 1 test 3 Biol 2041


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Week 1 notes for test 3
Daniel Kunz
Class Notes
Microbiology, kunz
25 ?




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This 3 page Class Notes was uploaded by UNT_Scientist on Friday March 11, 2016. The Class Notes belongs to Biol 2041 at University of North Texas taught by Daniel Kunz in Winter 2016. Since its upload, it has received 45 views. For similar materials see Microbiology in Biology at University of North Texas.


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Date Created: 03/11/16
Week 1 test 3   Microbiology   ● Chemical methods   ○ Disinfectants and antiseptics   ■ Phenolics­ P  ● Example   ○ Lysol   ● Biphenyls, hexachlorophene, triclosan (found in antibacterial soap)  ○ Disrupt plasma membrane   ○ Once there is a triclosan resistance   ■ There is a resistance in ampicillin, tetracycline etc.   ■ Triclosan is the third most found thing in  waterways.   ■ It is hard to degrade Sweden has discontinue use.  ● Instead use ethanol   ■ Halogens ­ H  ■ Alcohols ­ A  ■ Strong oxidants­ O  ■ Heavy metals ­HM  ■ Quats­Q­detergent like   ● Are an ammonium in with a Benzalkonium Chloride. This is sued  to clean dairy equipment  ○   ○ First table “ HM HM H A Q O  ○ Third table    ○ Fourth table    ○ Resistance (high to low )   ■ Prion   ■ Endospore of bacteria   ■ Mycobacteria   ■ Cysts of Protozoa   ■ Vegetative Protozoa   ■ Gram negative bacteria   ■ Fungi   ■ Virus with envelopes  ■ Gram posits  ■ Virus without envelopes   ○ Drugs   ■ 1928  ● Fleming discovered penicillin   ■ 1940   ● H. Florey and E. Chain performed first clinical trials  ■ Table 20.1  ● 20.2  ■ Broad spectrum antibiotics   ● Works on a lot of organisms   ○ Example   ■ Streptomycin   ● Antibiotic   ● Protein synthesis   ■ Tetracycline  ● Antibiotic   ● Protein synthesis    ■ Narrow spectrum antibiotics  ● Works on some organisms   ○ Example  ■ Penicillin   ● Antibiotic   ● Works on gram positive bacteria in cell wall   ● Many organisms are resistant to this   ■ Ketoconazole   ● Not antibiotics   ● Fungi membrane disruptions  ■ Acyclovir   ● Not antibiotic   ● Replication   ■ Isoniazid   ● Cell wall   ● Not antibiotic   ■ Antiviral drug  ● Nucleoside and nucleotide analgesic  ○ the virus can't tell the difference and it inhibits replication   ● Applied and industrial Microbiology chapter 28   ○ Packaging   ■  


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