Evaluation of the Antimicrobial Properties of Surfactants Various pH

Nick Brauer Chemistry
Claire Garvey Chemistry
Morgan Gauthier Chemistry
Jonathon Russel Associate Professor of Chemistry
Jessica Dagenais Biology
David Hunnicutt Associate Professor of Biology 

Abstract

In collaboration with Rockline Industries, Sheboygan, WI, the antimicrobial activity of two surfactants have been evaluated over a range of pH.  The pH of 10% commercial surfactant in water was adjusted using three organic acid/organic base pairs including citric acid, benzoic acid/sodium benzoate, and salicylic acid/sodium salicylate. Inhibition of growth of a series of bacteria and fungi over a pH range of 2-7 will be described. Additionally, the chemical synthesis and evaluation of the antibacterial activity of a novel zwitterionic surfactant will be discussed.

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