Inactivation of waterborne fungal spores by 1-bromo-3-chloro-5,5-dimethylhydantoin: Kinetics, influencing factors and mechanisms

Wen, Gang; Tan, Lili; Cao, Ruihua; Wan, Qiqi; Xu, Xiangqian; Wu, Gehui; Wang, Jingyi

doi:10.1016/j.chemosphere.2021.129764

Cited by 5 publications

(1 citation statement)

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“…Nevertheless, hypobromous acid can generate brominated by-products that exhibit higher genotoxicity and cytotoxicity compared to chlorinated by-products. Furthermore, the addition of 40 µM Br − or I − induced an inactivation efficiency enhanced up to 36-fold for A. niger and up to 15-fold for P. polonicum [136]. The enhanced inactivation efficiency by BCDMH/I − was mainly due to the rate constants that favored the formation of hypoiodous acid.…”

Section: Other Disinfection Methods Using Chemical Substancesmentioning

confidence: 93%

Alternative and Classical Processes for Disinfection of Water Polluted by Fungi: A Systematic Review

Caicedo-Bejarano,

Morante-Caicedo,

Castro-Narváez

et al. 2024

Water

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The introduction of the first list of priority pathogenic fungi by the World Health Organization stresses the need to research and develop public health actions to mitigate infections caused by fungi. One of those actions involves the water disinfection systems, which comprise classical and alternative methods that have been developed in the last decades. Thereby, this work reviews the disinfection of fungi by classical methods such as chlorination, ozonation, and ultraviolet (UV) treatments and alternative advanced oxidation processes (AOPs) such as photo-Fenton, photocatalysis, or couplings of UV with peroxides. The matrices of aquatic systems (sewage, groundwater, drinking water, among others) were considered. A bibliometric analysis is performed initially, and then some aspects of the resistance to antifungals are presented, and the efficiency of the diverse processes in the reduction in fungal loading is also revised. Herein, it is shown the role of the disinfecting agents (e.g., chlorine, hydroxyl radical, or light) and their effects on fungi structures (e.g., direct DNA damage, or indirect damage due to the action of radicals). Moreover, gaps, such as the treatment of antifungal-resistant fungi and limited information about combinations among AOPs, related to the disinfection of water polluted by fungi, were identified.

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Section: Other Disinfection Methods Using Chemical Substancesmentioning

confidence: 93%