A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy
Abstract Microplastics contaminating drinking water is a growing issue that has been the focus of a few recent studies, where a major bottleneck is the time-consuming analysis. In this work, a micro-optofluidic platform is proposed for fast quantification of microplastic particles, the identificatio...
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2021
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oai:doaj.org-article:be78e6f27984474d93956e4d572dd7a82021-12-02T14:58:38ZA microfluidic chip enables fast analysis of water microplastics by optical spectroscopy10.1038/s41598-021-89960-42045-2322https://doaj.org/article/be78e6f27984474d93956e4d572dd7a82021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89960-4https://doaj.org/toc/2045-2322Abstract Microplastics contaminating drinking water is a growing issue that has been the focus of a few recent studies, where a major bottleneck is the time-consuming analysis. In this work, a micro-optofluidic platform is proposed for fast quantification of microplastic particles, the identification of their chemical nature and size, especially in the 1–100 µm size range. Micro-reservoirs ahead of micro-filters are designed to accumulate all trapped solid particles in an ultra-compact area, which enables fast imaging and optical spectroscopy to determine the plastic nature and type. Furthermore, passive size sorting is implemented for splitting the particles according to their size range in different reservoirs. Besides, flow cytometry is used as a reference method for retrieving the size distribution of samples, where chemical nature information is lost. The proof of concept of the micro-optofluidic platform is validated using model samples where standard plastic particles of different size and chemical nature are mixed.Ahmed A. ElsayedMazen ErfanYasser M. SabryRachid DrisJohnny GaspériJean-Sébastien BarbierFrédéric MartyFatima BouanisShaobo LuoBinh T. T. NguyenAi-Qun LiuBruno TassinTarik BourouinaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021) |
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Medicine R Science Q Ahmed A. Elsayed Mazen Erfan Yasser M. Sabry Rachid Dris Johnny Gaspéri Jean-Sébastien Barbier Frédéric Marty Fatima Bouanis Shaobo Luo Binh T. T. Nguyen Ai-Qun Liu Bruno Tassin Tarik Bourouina A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy |
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Abstract Microplastics contaminating drinking water is a growing issue that has been the focus of a few recent studies, where a major bottleneck is the time-consuming analysis. In this work, a micro-optofluidic platform is proposed for fast quantification of microplastic particles, the identification of their chemical nature and size, especially in the 1–100 µm size range. Micro-reservoirs ahead of micro-filters are designed to accumulate all trapped solid particles in an ultra-compact area, which enables fast imaging and optical spectroscopy to determine the plastic nature and type. Furthermore, passive size sorting is implemented for splitting the particles according to their size range in different reservoirs. Besides, flow cytometry is used as a reference method for retrieving the size distribution of samples, where chemical nature information is lost. The proof of concept of the micro-optofluidic platform is validated using model samples where standard plastic particles of different size and chemical nature are mixed. |
format |
article |
author |
Ahmed A. Elsayed Mazen Erfan Yasser M. Sabry Rachid Dris Johnny Gaspéri Jean-Sébastien Barbier Frédéric Marty Fatima Bouanis Shaobo Luo Binh T. T. Nguyen Ai-Qun Liu Bruno Tassin Tarik Bourouina |
author_facet |
Ahmed A. Elsayed Mazen Erfan Yasser M. Sabry Rachid Dris Johnny Gaspéri Jean-Sébastien Barbier Frédéric Marty Fatima Bouanis Shaobo Luo Binh T. T. Nguyen Ai-Qun Liu Bruno Tassin Tarik Bourouina |
author_sort |
Ahmed A. Elsayed |
title |
A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy |
title_short |
A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy |
title_full |
A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy |
title_fullStr |
A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy |
title_full_unstemmed |
A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy |
title_sort |
microfluidic chip enables fast analysis of water microplastics by optical spectroscopy |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/be78e6f27984474d93956e4d572dd7a8 |
work_keys_str_mv |
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