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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Human Health Effects Policy & Risk Sign in to save

Leaching behavior and toxic effect of plastic additives as influenced by aging process of microplastics

Journal of Hazardous Materials Plastics 2025 1 citation ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 53 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Hongwei Luo, Hongwei Luo, Hongwei Luo, Dongqin He, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Dongqin He, Hongwei Luo, Zhen Li, Hongwei Luo, Hongwei Luo, Hongwei Luo, Zhen Li, Zhen Li, Hongwei Luo, Xiangliang Pan Zhen Li, Hongwei Luo, Hongwei Luo, Zhen Li, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Xiangliang Pan Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Hongwei Luo, Jianqiang Sun, Zhen Li, Zhen Li, Zhen Li, Zhen Li, Zhen Li, Zhen Li, Xiangliang Pan Xiangliang Pan Shizhe Xu, Xiangliang Pan Xiangliang Pan Shizhe Xu, Zhen Li, Xiangliang Pan Dongqin He, Xiangliang Pan Dongqin He, Zhen Li, Dongqin He, Juan Xu, Dongqin He, Xiangliang Pan Dongqin He, Xiangliang Pan Dongqin He, Dongqin He, Dongqin He, Dongqin He, Dongqin He, Dongqin He, Dongqin He, Jianqiang Sun, Shizhe Xu, Dongqin He, Dongqin He, Dongqin He, Xiangliang Pan Hongwei Luo, Xiangliang Pan Dongqin He, Hongwei Luo, Zhen Li, Juan Xu, Juan Xu, Xiangliang Pan Jianqiang Sun, Jianqiang Sun, Dongqin He, Jianqiang Sun, Xiangliang Pan Xiangliang Pan Dongqin He, Dongqin He, Xiangliang Pan Xiangliang Pan Dongqin He, Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Zhen Li, Zhen Li, Jianqiang Sun, Jianqiang Sun, Jianqiang Sun, Jianqiang Sun, Dongqin He, Dongqin He, Dongqin He, Zhen Li, Dongqin He, Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Hongwei Luo, Zhen Li, Juan Xu, Hongwei Luo, Hongwei Luo, Jianqiang Sun, Hongwei Luo, Xiangliang Pan Xiangliang Pan Hongwei Luo, Xiangliang Pan Juan Xu, Juan Xu, Xiangliang Pan Hongwei Luo, Xiangliang Pan Xiangliang Pan Xiangliang Pan Hongwei Luo, Hongwei Luo, Xiangliang Pan Hongwei Luo, Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Hongwei Luo, Xiangliang Pan Zhen Li, Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Xiangliang Pan Zhen Li, Xiangliang Pan

Summary

This review examined how environmental aging processes affect the leaching behavior and toxicity of plastic additives from microplastics. Researchers found that UV exposure, weathering, and biological degradation alter the physicochemical properties of microplastics, increasing the release of harmful chemical additives and potentially amplifying their toxic effects on organisms in the environment.

Microplastics (MPs) may experience different levels of aging in the actual environments, altering their physicochemical characteristics and affecting their biogeochemical behavior. However, it still remains unclear how aging process affects the leaching behaviors and toxic effects of plastic additive. Here, we intend to take aging reactions of MPs as the starting point, systematically analyze the impact of aging on the leaching and toxicity of MP additive. Current progress and limitations related to this topic have been discussed in detail, and scientific problems to be solved have been proposed. This study critically integrates aging-induced structural transitions of MPs with additive leaching kinetics and resulting toxicological profiles. A conceptual framework is proposed to unravel the coupled physicochemical and biological processes controlling MPs-associated risk in natural environments. Future work should elaborate the influence of aging conditions on physicochemical characteristics of MPs and leaching mechanisms of additives in MPs during aging. Modeling the leaching process of plastic additives is also required. Toxic effect of aged MPs on different trophic organisms and contribution of additives released to MPs toxicity need to be investigated. On this basis, the leaching behavior of additives and their toxic effects on organisms may be regulated aiming to alleviate the harm of additives during aging. This study will be useful to accurately assess the impact of aging processes on the environmental fate of plastic additives, and provide theoretical basis and technical guidance to reduce the ecological risks caused by MPs in the actual environments. • Release characteristics and toxic effects of plastic additives in MPs are discussed. • Leaching rules of additives within MPs under aging conditions should be revealed. • Correlations between MP surface properties and additives leaching are elucidated. • Toxicity prediction models and leaching models of plastic additives are studied.

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