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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Environmental Sources Sign in to save

Development of Continuous Image Analysis Program for Microplastics Assisted by Two-dimensional Acoustic Focusing

The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2021
Tatsuki JONAI, Kazuki Tamura, Hiroshi Moriwaki, Yoshitake Akiyama

Summary

Researchers developed a continuous automated image analysis system that uses acoustic focusing to align microplastics in a microchannel for clear microscopic imaging. The system significantly speeds up the otherwise slow process of counting and characterizing microplastic particles.

Recently, microplastics have attracted considerable attention as emerging pollutants and there is an urgent need to investigate their number and distribution. However, the analysis of microplastics is a time-consuming process. In this study, we developed a continuous image analysis program for microplastics in a microchannel. Microplastics are two-dimensionally focused around the center by an acoustophoretic force, that enable us to obtain clear images of microplastics with a microscope. The developed program automatically calculated number and size distribution of microplastics from the obtained continuous images. The developed program would speed up the microplastic analysis by solving the problems with the microfluidic device.

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