Investigations into Chemical and Physical Control of Microorganisms

  • Authors: Suzanne Anglehart1, Annie Voyles2, Bonnie Jo Bratina3
    Affiliations: 1: University of Wisconsin – La Crosse; 2: Central High School; 3: University of Wisconsin – La Crosse
  • Citation: Suzanne Anglehart, Annie Voyles, Bonnie Jo Bratina. 2005. Investigations into chemical and physical control of microorganisms.
  • Publication Date : January 2005
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This is a two-part exercise on chemical and physical control of microbes. In Part I normal skin flora organisms will be isolated and used in a disc diffusion assay to test the efficacy of various household products and antibiotics. Lab skills mastered in Part I will be employed in Part II, an investigative exercise where factors affecting the effect of UV exposure on Serratia marcescens will be determined through group-designed procedures. Experimental set-ups will be exposed to a UV lamp in a biosafety hood. Growth after incubation at room temperature will be recorded and compared to results from other groups.

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