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Study on the Antimicrobial Properties of ZnO Suspension against Gram-Positive and Gram-Negative Bacteria Strains
Abstract:
Because of the excellent properties and wide applications on nanomaterials, recent years, researchers start to focus on the use of nanomaterials in wastewater treatment. This paper investigated the antimicrobial activities of ZnO against Gram-positive and Gram-negative bacteria strains – E. coli and Sarcinic pseudomycosis. Growth curves of bacteria strains were used to estimate the antimicrobial activities of ZnO suspensions. This work showed pH values of ZnO suspension did not affect the antimicrobial activities of ZnO. Besides, when treating small number of bacteria slurry, ZnO expressed the killing action. Based on this work, the possible antimicrobial mechanism is also discussed in this paper.
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Pages:
1488-1491
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Online since:
November 2011
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