Application of chlorine dioxide and its disinfection mechanism

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-09-10 DOI:10.1007/s00203-024-04137-7

Yu Jiang, Yina Qiao, Riya Jin, Mengye Jia, Jiaoqin Liu, Zengdi He, Zhaoguo Liu

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Abstract

Chlorine dioxide (ClO₂) is a strong oxidizing agent and an efficient disinfectant. Due to its broad-spectrum bactericidal properties, good inactivation effect on the vast majority of bacteria and pathogenic microorganisms, low resistance to drugs, and low generation of halogenated by-products, chlorine dioxide is widely used in fields such as water purification, food safety, medical and public health, and living environment. This review introduced the properties and application status of chlorine dioxide, compared the action mode, advantages and disadvantages of various disinfectants. The mechanism of chlorine dioxide inactivating bacteria, fungi and viruses were reviewed. The lethal target of chlorine dioxide to bacteria and fungi is to destroy the structure of cell membrane, change the permeability of cell membrane, and make intracellular substances flow out, leading to their death. The lethal targets for viruses are the destruction of viral protein capsids and the degradation of RNA fragments. The purpose of this review is to provide more scientific guidance for the application of chlorine dioxide disinfectants.

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二氧化氯的应用及其消毒机制

二氧化氯（ClO2）是一种强氧化剂和高效消毒剂。由于二氧化氯具有广谱杀菌特性，对绝大多数细菌和病原微生物具有良好的灭活效果，耐药性低，卤代副产物产生量少，因此被广泛应用于水净化、食品安全、医疗卫生、生活环境等领域。本综述介绍了二氧化氯的特性和应用现状，比较了各种消毒剂的作用方式和优缺点。综述了二氧化氯灭活细菌、真菌和病毒的机理。二氧化氯对细菌和真菌的致死目标是破坏细胞膜结构，改变细胞膜的通透性，使细胞内物质流出，导致其死亡。病毒的致死目标是破坏病毒的蛋白质外壳和降解 RNA 片段。本综述旨在为二氧化氯消毒剂的应用提供更科学的指导。

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