Microplastics in road dust and surrounding environment: Sources, fate and analytical approaches

IF 13.4 2区化学 Q1 CHEMISTRY, ANALYTICAL Trends in Environmental Analytical Chemistry Pub Date : 2025-03-01 Epub Date: 2024-12-13 DOI:10.1016/j.teac.2024.e00256

K.S.D. Premarathna , Anushka Upamali Rajapaksha , Meththika Vithanage

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Abstract

Microplastic pollution is a growing environmental concern worldwide, and roadsides have been recognized as a reservoir for microplastic accumulation. The main sources of microplastics on the road dust and roadside are tire and road wear particles and plastic litter. Once released to the road surface, these are combined with other contaminants released via vehicle exhausts and particulate matter on the road surfaces. This review aimed to assess roadside microplastics' sources, abundance, characteristics, and dispersion pathways. Further, this review critically discusses existing analytical techniques for identifying roadside microplastics and their limitations. Microplastics in the roadside are mainly identified using spectroscopic techniques; however, using specific markers to identify microplastics in roadside soil is rather common and effective due to additive-based interferences with infrared radiation. The health impacts of roadside microplastics are under-studied, necessitating more studies and standardized methods for their monitoring and analysis.

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道路粉尘和周围环境中的微塑料：来源、命运和分析方法

微塑料污染是世界范围内日益严重的环境问题，路边已被认为是微塑料积累的水库。道路灰尘和路边微塑料的主要来源是轮胎和道路磨损颗粒以及塑料垃圾。一旦排放到路面上，这些污染物就会与车辆尾气排放的其他污染物和路面上的颗粒物结合在一起。本文旨在评估路边微塑料的来源、丰度、特征和扩散途径。此外，本综述批判性地讨论了现有的识别路边微塑料的分析技术及其局限性。路边的微塑料主要是用光谱技术识别的；然而，由于添加剂对红外辐射的干扰，使用特定标记物来识别路边土壤中的微塑料是相当普遍和有效的。路边微塑料对健康的影响尚未得到充分研究，因此需要更多的研究和标准化的监测和分析方法。

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

Trends in Environmental Analytical Chemistry Chemistry-Analytical Chemistry

CiteScore

21.20

自引率

2.70%

发文量

审稿时长

44 days

期刊介绍： Trends in Environmental Analytical Chemistry is an authoritative journal that focuses on the dynamic field of environmental analytical chemistry. It aims to deliver concise yet insightful overviews of the latest advancements in this field. By acquiring high-quality chemical data and effectively interpreting it, we can deepen our understanding of the environment. TrEAC is committed to keeping up with the fast-paced nature of environmental analytical chemistry by providing timely coverage of innovative analytical methods used in studying environmentally relevant substances and addressing related issues.