Micro_LR10Antiseptics - 11-8-10 Section RT Lab: LR10...

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Unformatted text preview: 11-8-10 Section RT Lab: LR10 Antiseptics and Disinfectants Objective: Examine the efficacy of various antiseptics/disinfectants Results: S. aureus E. coli Ps. aeruginosa Phenol 7 mm 12 mm 7 mm Purel hand sanitizer 1 mm 0 0 Lemon juice 10 mm 0 0 Laboratory hand soap 13 mm 0 0 CAB disinfectant 30 mm 14 mm 9 mm Gram Iodine 8 mm 7 mm 8 mm Silver Nitrate – AgNO3 9 mm 10 mm 8 mm Hydrogen peroxide 41 mm 30 mm 27 mm Conclusion: Phenol worked well as compared to other proven disinfectants such as hydrogen peroxide and Gram’s Iodine, though hydrogen peroxide, followed by Silver nitrate and the CAB disinfectant were the most effective of all substance tested. Hydrogen peroxide resulted in total clearing. Many store-bought and home-remedy substances only affected S. aureus but were completely usueless against E. coli and Ps. Aeruginosa. Discussion: I am surprised by the lack of effectiveness of the hand sanitizer, since people use those types of products religiously and in reality they don’t have any effect on E. coli or the pseudomonas. The proven disinfectants and sanitizers clear E. coli, which is reassuring, however I’m still questioning what would be most effective for day-to-day use or for hand sanitizing when considering the convenience factor of what’s available. ...
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This note was uploaded on 08/02/2011 for the course MICRO 233 taught by Professor Diaz during the Fall '10 term at City Colleges of Chicago.

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Micro_LR10Antiseptics - 11-8-10 Section RT Lab: LR10...

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