重金属的毒性及其去除的近期进展:一篇评论
Manar K Abd Elnabi1,2, Nehal E Elkaliny1, Maha M Elyazied1
1Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt.
Toxics
|July 28, 2023
概括
重金属 (HM) 污染是一个日益严重的环境和健康问题. 微生物生物修复为污染有毒金属的生态系统的排毒提供了一种可持续且具有成本效益的解决方案.
科学领域:
- 环境科学 环境科学
- 毒理学 毒理学 毒理学
- 微生物学 微生物学
背景情况:
- 越来越多的自然和人为来源增加了重金属 (HM) 的积累,造成了重大的环境和健康风险.
- 由于工业化,人类接触到,,,和等普遍存在的有毒金属的数量增加,导致急性和慢性中毒.
- HM通过常见的途径诱导毒性,例如反应性氧物种的产生,酶失活和氧化应激,影响各种器官.
研究的目的:
- 审查重金属吸收和毒性机制.
- 提高对HM对器官有毒影响的理解,以改善中毒管理.
- 引导选择用于HM排毒的微生物修复技术.
主要方法:
- 对HM来源,毒性机制和常规消除技术的文献综述.
- 分析微生物的能力 (生物吸收,生物积累) 用于HM排毒.
- 评估微生物生物修复作为传统方法的可持续替代方案.
主要成果:
- 传统的HM消除方法对于低度 (<100 mg/L) 往往是不够的,并且具有二次污染和高成本等局限性.
- 微生物,包括真菌和细菌,具有卓越的生物吸收和生物积累能力,可以清除HM.
- 微生物生物修复是一种可行,可持续和具有成本效益的HM排毒方法.
结论:
- 微生物生物修复是一种有前途的策略,用于减轻环境中的HM毒性.
- 进一步的研究和微生物技术的明智选择可以导致有效的金属中毒管理.
- 可持续的微生物解决方案对于减少全球重金属污染负担至关重要.
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