Separation and characterization of microplastic and nanoplastic particles in marine environment

Zhao, Kai; Wei, Yunman; Dong, Jianhong; Zhao, Penglu; Wang, Yuezhu; Pan, Xinxiang; Wang, Junsheng

Separation and characterization of microplastic and nanoplastic particles in marine environment

2022

Microplastics (<5 mm) are divided into primary and secondary microplastics, which are further degraded into nanoplastics. The microplastic particles are widely distributed in marine environment, terrestrial ecosystem and biological organism, leading to damages to whole environmental system. Microplastics are not only difficult to degrade, but also able to adsorb pollutants. Due to the tiny size and various properties, the separation and characterization of microplastic particles has become more and more challenging. This review introduces the sources and destinations of the microplastic particles and summarizes the general methods for the sorting and characterization of microplastics, especially the manipulation of microplastic particles on microfluidic chip, showing possibility to deal with smaller nanoplastic particles over traditional methods. This review focuses on studies of the size-based separation and property-dependent characterization of microplastics in marine environment by utilizing the microfluidic chip device.

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