Preprint Article Version 1 This version is not peer-reviewed

Decontamination of Bacteria from Water with Moderate Electric and Magnetic Fields

Version 1 : Received: 30 November 2017 / Approved: 30 November 2017 / Online: 30 November 2017 (11:22:25 CET)

How to cite: Varkey, A.J.; Dlamini, M.D.; Mkhonta, S.K. Decontamination of Bacteria from Water with Moderate Electric and Magnetic Fields. Preprints 2017, 2017110202 (doi: 10.20944/preprints201711.0202.v1). Varkey, A.J.; Dlamini, M.D.; Mkhonta, S.K. Decontamination of Bacteria from Water with Moderate Electric and Magnetic Fields. Preprints 2017, 2017110202 (doi: 10.20944/preprints201711.0202.v1).

Abstract

Bacteria play a key role in both human health and disease. One of the most prevalent harmful bacteria is E. coli which is responsible for several illnesses ranging from diarrhea, stomach cramp and fever. In this work we explore the application of moderate electric or magnetic fields for treating deionized water that is contaminated with E. coli. We found that moderate alternating electric (AC) fields (10 V/cm to 1kV/cm) and moderate static magnetic fields (10 to 65 mT) can significantly inactivate E. coli by up to 90% or more. This provides the possibilities of developing a low cost and a practical bacteria inactivation technique using electric or magnetic fields.

Subject Areas

bacterial inactivation; drinking water; electromagnetic fields; electroporation; Escherichia coli

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