Role of Fe-based nanoparticles introduced into soil–plant systems or contaminated soil–plant systems:toxic substance or remediation agent?  

作　　者：Yun Zeng Moyan Wen Si Li Jie Wang Zhidan Liu Na Duan En Xie Wen Liu Xiao Zhao 

机构地区：[1]College of Water Resources and Civil Engineering,China Agricultural University,Beijing 100083,China [2]Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation,College of Resources and Environmental Sciences,China Agricultural University,Beijing 100193,China [3]College of Environmental Sciences and Engineering,Peking University,Beijing 100871,China

出　　处：《Frontiers of Environmental Science & Engineering》2025年第3期1-26,共26页环境科学与工程前沿(英文)

基　　金：supported by the National Natural Science Foundation of China(Nos.52279051 and 52261145701);the 2115 Talent Development Program of China Agricultural University(No.109018);the Chinese Universities Scientific Fund(No.2024TC027).

摘　　要：Iron-based nanoparticles(Fe-NPs)exhibit promising potential for soil remediation.However,their toxic effects on plants have also been reported.Typical Fe-NPs have been introduced into soil–plant systems to examine their possible nanotoxicity and other impacts on plants,while Fe-NPs have been added to pollutant–soil–plant systems to evaluate their performance as remediation agents.Mixed opinions and results have been reported regarding interactions between Fe-NPs and soil or plants.Here,meta-analysis was conducted to evaluate the effects of Fe-NPs on plant morphological and physiological characteristics in soil–plant and pollutant–soil–plant systems.Interestingly,morphological characteristics(dry and fresh weight)were significantly improved by Fe-NPs in both soil–plant and pollutant–soil–plant systems.In terms of plant physiological characteristics,Fe-NPs exerted negative effects on plant pigments in soil–plant systems,but positive effects in pollutant–soil–plant systems.In addition,Fe-NPs greatly increased the Fe contents and decreased the pollutant contents of plants.This study also provides a comprehensive review of the positive and negative effects of Fe-NPs on soil–plant systems and summarizes the pollutant remediation mechanisms of Fe-NPs in soil–plant systems.The results underscore the potential of Fe-NPs in agricultural applications and the future development of food safety.

关 键 词：Iron-based nanoparticles META-ANALYSIS Soil-plant system NANOTOXICITY Soil remediation 

分 类 号：X53[环境科学与工程—环境工程]