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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 Marine & Wildlife Sign in to save

Real-time microplastic detection using polarization digital holographic microscope

2025
Mohit Rathor, V. R. S. Rawat, Abhinav Kumar, Rajeev Singh

Summary

Researchers developed a real-time microplastic detection system using a polarization digital holographic microscope, enabling identification and characterization of MP particles in water based on their optical properties without the need for chemical staining or extensive sample preparation.

Polymers
PE PET PP
Study Type Environmental

Microplastics (MPs), first identified in 1972 and defined by U.S. National Oceanic and Atmospheric Administration (NOAA) as particles smaller than 5 mm, are either primary or secondary based on their origin [1]. Plastics like polyethylene (PE), polypropylene (PP), and PET dominate packaging due to their strength and light weight. However, extensive plastic use in packaging leads to significant environmental and ocean pollution [2].

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