Atmospheric Micro and Nanoplastics : An Enormous Microscopic Problem

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http://hdl.handle.net/10138/324440

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Bianco , A & Passananti , M 2020 , ' Atmospheric Micro and Nanoplastics : An Enormous Microscopic Problem ' , Sustainability , vol. 12 , no. 18 , 7327 . https://doi.org/10.3390/su12187327

Title: Atmospheric Micro and Nanoplastics : An Enormous Microscopic Problem
Author: Bianco, Angelica; Passananti, Monica
Contributor: University of Helsinki, INAR Physics
University of Helsinki, INAR Physics
Date: 2020-09-07
Language: eng
Number of pages: 17
Belongs to series: Sustainability
ISSN: 2071-1050
URI: http://hdl.handle.net/10138/324440
Abstract: Atmospheric plastic pollution is now a global problem. Microplastics (MP) have been detected in urban atmospheres as well as in remote and pristine environments, showing that suspension, deposition and aeolian transport of MP should be included and considered as a major transport pathway in the plastic life cycle. This work reports an up to date review of the experimental estimation of deposition rate of MP in rural and urban environment, also analyzing the correlation with meteorological factors. Due to the limitations in sampling and instrumental methodology, little is known about MP and nanoplastics (NP) with sizes lower than 50 mu m. In this review, we describe how NP could be transported for longer distances than MP, making them globally present and potentially more concentrated than MP. We highlight that it is crucial to explore new methodologies to collect and analyze NP. Future research should focus on the development of new technologies, combining the existent knowledge on nanomaterial and atmospheric particle analysis.
Subject: 116 Chemical sciences
1172 Environmental sciences
114 Physical sciences
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