反应型素物种在UV/PMS治疗期间在海水中增加真菌子无活化
Ye Chen1, Muke Lin1, Zhuoyun Tang1
1School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China.
Environmental science & technology
|August 2, 2025
概括
海水中的化物离子显著提高了Aspergillus niger子的紫外线/ peroxymonosulfate 消毒. 这种增强的过程使真菌子无活化,并防止其再生,为水安全提供了一个有前途的解决方案.
科学领域:
- 环境微生物学环境微生物学
- 水处理技术水处理技术.
- 公共卫生 公共卫生
背景情况:
- 海水活动增加了对真菌病原体的暴露.
- 紫外线/氧硫酸盐 (UV/PMS) 是一种潜在的消毒方法.
- 在盐水环境中真菌子无活化需要进一步研究.
研究的目的:
- 为了研究化离子对紫外线/PMS无活化Aspergillus niger子的影响.
- 阐明海水中增强无活化背后的机制.
- 评估反应性素物种 (RHS) 对子完整性和光复活性的影响.
主要方法:
- 在脱离离子水和人造海水中对Aspergillus niger子进行紫外线/PMS处理.
- 火实验用于识别反应性物种.
- 动力建模以了解失活路径.
- 子损伤的微生物特征.
主要成果:
- 含有化离子的海水条件显著提高了UV/PMS无活化效率.
- 在海水中实现了完全无活化 (5.11-log),而在脱离离子水中达到2.45-log.
- 反应性素物种 (RHS) 被确定为增强不活化的关键贡献者.
- RHS破坏了子细胞完整性,并抑制了光反激活.
结论:
- 化物离子显著提高盐水中的UV/PMS消毒效率.
- 在现场产生的RHS在真菌子无活化中起着至关重要的作用.
- 这项研究提供了关于控制海洋环境中真菌污染的见解.
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