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Inactivation of Staphylococcus Aureus in Water by Pulsed Spark Discharge

Inactivation of Staphylococcus Aureus in Water by Pulsed Spark Discharge

Jiansheng Zheng

Sci Rep. 2017 Sep 4;7(1):10311.

PMID: 28871181

Abstract:

A pulsed spark plasma discharge system was developed and tested as an energy efficient water sterilization method. A 5 log10 reduction on Staphylococcus aureus concentration of 108 CFU/ml was obtained. Complete inactivation was achieved for concentration of 106 CFU/ml. Of the various factors generated by an underwater spark discharge, ultraviolet radiation plays a major role. The inactivation was completely suppressed by the addition of 30 mg/L of a soluble sunscreen, Benzophenone-9. Results obtained using the pulsed spark plasma discharge showed that this system has several advantages, such as high energy efficiency, absence of harmful by-products and portability, over the conventional sterilization methods.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP76656365	Benzophenone-9		76656-36-5	Price

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