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一种以电刺激驱动的过氧化物类酶活性化策略,以实现可持续的废水灭菌

Jingyang Fang¹, Guopeng Xu², Paul K Chu³

¹Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, 4800 Caoan Road, Shanghai 201804, China.

ACS applied materials & interfaces

|September 30, 2025

概括

这项研究引入了电刺激,以再生废水处理中失活的金属基酶模拟物. 这种可持续的方法重复使用二氧化碳纳米线,增强催化功能和环境修复.

科学领域:

材料科学材料科学材料科学
环境科学环境科学
催化剂是一种催化剂.

背景情况:

基于金属的酶模仿剂对于废水处理至关重要,但由于金属中心氧化而遭受不可逆转的失活.
这限制了催化剂在环境修复应用中的可持续性和可重复使用性.

研究的目的:

开发一种可持续的策略,利用电刺激来再生非活化金属基酶模拟物.
为了提高Fe-doped二氧化纳米线 (Fe-TNLs) 的可重复使用性和催化效率,用于废水处理.

主要方法:

设计和合成具有过氧化酶 (POD) 类活性的二氧化碳纳米线 (Fe-TNLs).
电刺激的应用,通过可逆Fe (III) /Fe (II) 反氧循环再生Fe-TNLs的催化功能.
对抗大肠杆菌和黄金杆菌的抗菌疗效和在模拟废水中的性能的评估.

主要成果:

Fe-TNLs表现出强大的POD类活性,在初始周期中实现了超过99.9%的细菌失活.
电刺激成功地再生了催化功能,通过逆转Fe (II) 氧化,恢复了80%以上的初始活性.
重新激活的Fe-TNLs保持了显著的疗效 (大约1. 60%) 在模拟废水中,性能优于一次性系统.

结论:

电刺激提供了一种可行的方法来再生非活化的金属基酶模仿物,解决废水处理中的可持续性挑战.
Fe-TNL系统展示了环境友好和可重复使用的催化剂解决方案的潜力,用于水资源整治.
这项工作通过强调催化剂重复使用性而不是一次性应用,推动了可持续技术的发展.

关键词:

在TiO2的过程中,TiO2 它是一种抗菌药物,具有抗菌作用.酵素酶是一种酶.过氧化酶的使用废水处理是废水处理的方法之一.

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