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ISSN 打印: 1947-5764

ISSN 在线: 1947-5772

SJR: 0.216 SNIP: 0.263 CiteScore™:: 1.4 H-Index: 24

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A Systematic Characterization of a Novel Surface Dielectric Barrier Discharge for Biomedical Experiments

卷 3, 册 1-2, 2013, pp. 27-44
DOI: 10.1615/PlasmaMed.2014008556
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摘要

A new surface dielectric barrier discharge (sDBD) based on ceramic materials for improved discharge stability and long-term application was used to investigate the generation of biologically active species in liquids and their effect on planktonic microorganisms. The source was characterized by measurements of dissipated energy, temperature, spectral emission of the discharge, and Fourier transform infrared spectroscopy of the derived working gas. Liquid analysis of plasma-treated samples included the quantitative determination of nitrite, nitrate, and hydrogen peroxide, as well as pH measurements. The biological performance of the discharge was estimated by recording inactivation kinetics for Escherichia coli. The obtained results were compared with those of a well-established epoxy sDBD system, which has the same geometrical electrode arrangement but consists of different dielectric materials. Both systems show different physical and chemical performance but very similar antimicrobial effects. This article considers the role of active components of plasma and plasma-induced liquid chemistry in biological effects, and also discusses the main differences between both discharges in detail.

对本文的引用
  1. Jablonowski Helena, von Woedtke Thomas, Research on plasma medicine-relevant plasma–liquid interaction: What happened in the past five years?, Clinical Plasma Medicine, 3, 2, 2015. Crossref

  2. Hänsch Mareike A C, Mann Miriam, Weltmann Klaus-Dieter, von Woedtke Thomas, Analysis of antibacterial efficacy of plasma-treated sodium chloride solutions, Journal of Physics D: Applied Physics, 48, 45, 2015. Crossref

  3. Kim S. Y., Lho T., Chung K.-S., Traces of cathode glow in atmospheric surface dielectric barrier discharge, AIP Advances, 8, 12, 2018. Crossref

  4. Wang Sitao, Liu Zhijie, Pang Bolun, Gao Yuting, Xu Dehui, Liu Dingxin, Kong Michael G, Plasma re-activation: a promising approach to enhance chemical activity for plasma activated water, Journal of Physics D: Applied Physics, 55, 18, 2022. Crossref

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