比较千赫兹和兆赫兹等离子射流产生 CO 和灭活大肠杆菌的情况

IF 2.9 3区物理与天体物理 Q2 PHYSICS, APPLIED

Plasma Processes and Polymers Pub Date : 2023-12-20 DOI:10.1002/ppap.202300182

Eloïse Mestre, Inna Orel, Daniel Henze, Laura Chauvet, Sebastian Burhenn, Sébastien Dozias, Fabienne Brulé-Morabito, Judith Golda, Claire Douat

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引用次数: 0

摘要

由于一氧化碳具有广泛的生物活性，利用等离子体生产一氧化碳在医学领域具有显著优势。本文对两种等离子体射流（MHz 射流和 kHz 射流）产生一氧化碳的情况进行了比较研究。这两种喷射器都通入了掺有 CO2${text{CO}}_{2}$（0%-1%）的氦气。二氧化碳由 CO${\text{CO}}_{2}$ 解离产生，其最大浓度为百万分之几，在临床应用中是安全的。在相同的特定能量输入下，千赫射流比兆赫射流产生 CO 的效率更高。两者都具有对大肠杆菌的抗菌特性，加入 CO2${text{CO}}_{2}$ 后，MHz 喷射器的抗菌特性得到改善，而 kHz 喷射器的抗菌特性则有所降低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Comparison of CO production and Escherichia coli inactivation by a kHz and a MHz plasma jet

查看原文本刊更多论文

Comparison of CO production and Escherichia coli inactivation by a kHz and a MHz plasma jet

As carbon monoxide has a broad spectrum of biological activities, its production by plasma is a significant advantage in medicine. This paper presents a comparative study of the CO production of two plasma jets: a MHz-jet and a kHz-jet. Both were fed with a helium gas with

{CO}_{2} ${\text{CO}}_{2}$

admixture (0%–1%). CO was produced by

{CO}_{2} ${\text{CO}}_{2}$

dissociation and its maximal concentration was hundreds of parts per million, which is safe for clinical applications. For the same specific energy input, the CO production was more efficient for the kHz-jet than the MHz-jet. Both had antibacterial properties on Escherichia coli, and the addition of

{CO}_{2} ${\text{CO}}_{2}$

improved them for the MHz-jet, while it reduced them for the kHz-jet.

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来源期刊

Plasma Processes and Polymers 物理-高分子科学

CiteScore

6.60

自引率

11.40%

发文量

150

审稿时长

3 months

期刊介绍： Plasma Processes & Polymers focuses on the interdisciplinary field of low temperature plasma science, covering both experimental and theoretical aspects of fundamental and applied research in materials science, physics, chemistry and engineering in the area of plasma sources and plasma-based treatments.