Interactions between micro(nano)plastics and natural organic matter: implications for toxicity mitigation in aquatic species

IF 4.3 2区环境科学与生态学 Q1 MARINE & FRESHWATER BIOLOGY

Aquatic Toxicology Pub Date : 2025-08-14 DOI:10.1016/j.aquatox.2025.107541

Naima Hamid , Marriya Sultan , Muhammad Junaid , Stuart Cairns , Iain Robertson , Houda Javed , De-Sheng Pei

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引用次数: 0

Abstract

Plastics have significantly contributed to modern conveniences owing to their ease of use, stability, and adaptability. However, the fragmentation of plastics into microplastics (MPs) and nanoplastics (NPs) poses significant environmental risks. These micro(nano)plastics (MNPs) can adsorb various pollutants and pathogens, potentially posing significant ecological risks. This review critically examines the natural organic matter (NOM) in mitigating the toxicity of MNPs in both marine and freshwater species. Evidence suggests that NOM facilitates the formation of an eco-corona (EC) on MNPs, thereby reducing toxicity. Reduced toxicity attributed to EC formation has been observed in various freshwater species, such as Danio rerio and Daphnia magna, as well as marine species, including sea urchins, European sea bass, and marine algae. The presence of natural organic matter (NOM), particularly fulvic acid (FA) and humic acid (HA), significantly mitigates the toxic effects of MNPs, with HA exhibiting a strong protective effect. The interactions between MNPs and NOM, including the formation of the EC, which encompasses a protein corona component, are pivotal in understanding toxicity mitigation in aquatic environments. This review highlights the need for further research to elucidate the interactions between MNPs and NOM, and their role in mitigating toxicity across marine and freshwater ecosystems.

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微（纳米）塑料与天然有机物之间的相互作用：对水生物种毒性缓解的影响

塑料因其易用性、稳定性和适应性为现代生活带来了极大的便利。然而，塑料破碎成微塑料（MPs）和纳米塑料（NPs）带来了重大的环境风险。这些微（纳米）塑料（MNPs）可以吸附各种污染物和病原体，可能造成重大的生态风险。这篇综述严格审查了天然有机物（NOM）在减轻海洋和淡水物种中MNPs的毒性方面的作用。有证据表明，NOM有助于在MNPs上形成生态电晕（EC），从而降低毒性。在各种淡水物种中，如达尼欧和大水蚤，以及海洋物种，包括海胆、欧洲鲈鱼和海藻，都观察到EC形成导致的毒性降低。天然有机物质（NOM），特别是黄腐酸（FA）和腐植酸（HA）的存在，显著减轻了MNPs的毒性作用，其中HA表现出很强的保护作用。MNPs和NOM之间的相互作用，包括EC的形成，其中包含一个蛋白质冠成分，对于理解水生环境中的毒性缓解至关重要。这篇综述强调需要进一步研究阐明MNPs和NOM之间的相互作用，以及它们在减轻海洋和淡水生态系统毒性方面的作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Aquatic Toxicology 环境科学-毒理学

CiteScore

7.10

自引率

4.40%

发文量

250

审稿时长

56 days

期刊介绍： Aquatic Toxicology publishes significant contributions that increase the understanding of the impact of harmful substances (including natural and synthetic chemicals) on aquatic organisms and ecosystems. Aquatic Toxicology considers both laboratory and field studies with a focus on marine/ freshwater environments. We strive to attract high quality original scientific papers, critical reviews and expert opinion papers in the following areas: Effects of harmful substances on molecular, cellular, sub-organismal, organismal, population, community, and ecosystem level; Toxic Mechanisms; Genetic disturbances, transgenerational effects, behavioral and adaptive responses; Impacts of harmful substances on structure, function of and services provided by aquatic ecosystems; Mixture toxicity assessment; Statistical approaches to predict exposure to and hazards of contaminants The journal also considers manuscripts in other areas, such as the development of innovative concepts, approaches, and methodologies, which promote the wider application of toxicological datasets to the protection of aquatic environments and inform ecological risk assessments and decision making by relevant authorities.