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http://dx.doi.org/10.12925/jkocs.2009.26.1.10

A Study on the Antimicrobial Activity of Copper Alloy Metal Fiber on Water Soluble Metal Working Fluids  

Song, Ju-Yeong (Department of Chemical Engineering, Changwon National University)
Lee, Sang-Ho (Department of Chemical Engineering, Changwon National University)
Kim, Jong-Hwa (Department of Chemical Engineering, Changwon National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.26, no.1, 2009 , pp. 69-73 More about this Journal
Abstract
Copper alloy metal fiber was incorporated into the conventional water-soluble metal working fluids to increase the antimicrobial activity. Fluid treated by copper alloy metal fiber is shown that bacteria is disappeared whereas that untreated metal fiber is increased bacteria as increasing the life time. When the electrochemical potential of Cu/Zn ion is -268mV, radicals with molecular oxygen are easily made. Especially, hydroperoxide radical shows strong toxicity to the strains, leading to the conformational change of plasma membrane. As a result antimicrobial activity of copper alloy metal fiber in metal working fluid is superior to that of copper fiber.
Keywords
Copper alloy; Antimicrobial; Metal working fluids;
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