期刊
POLYMERS
卷 13, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/polym13050730
关键词
micro and nanoplastics; freshwater; sludge; optical detection; portable devices; in situ detection
资金
- Academy of Finland Flagship Programme, Photonics Research and Innovation (PREIN) [320166]
This review discusses the utilization of various optical measurement methods for screening microplastics from their natural environments, with a focus on in situ detection techniques and the development of portable optical sensors. The potential of remote sensing methods and the necessity of integrated optical solutions for continuous detection of water-based microplastics are highlighted.
The prevalent nature of micro and nanoplastics (MP/NPs) on environmental pollution and health-related issues has led to the development of various methods, usually based on Fourier-transform infrared (FTIR) and Raman spectroscopies, for their detection. Unfortunately, most of the developed techniques are laboratory-based with little focus on in situ detection of MPs. In this review, we aim to give an up-to-date report on the different optical measurement methods that have been exploited in the screening of MPs isolated from their natural environments, such as water. The progress and the potential of portable optical sensors for field studies of MPs are described, including remote sensing methods. We also propose other optical methods to be considered for the development of potential in situ integrated optical devices for continuous detection of MPs and NPs. Integrated optical solutions are especially necessary for the development of robust portable and in situ optical sensors for the quantitative detection and classification of water-based MPs.
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