Curcumin-based-fluorescent staining and microfluidic detection of microplastics in wastewater effluent

Juviya Mathew; Haider Warraich; Ratul Kumar Das; Pouya Rezai; Satinder Kaur Brar

doi:10.1039/d5cc02304a

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Curcumin-based-fluorescent staining and microfluidic detection of microplastics in wastewater effluent

Chemical Communications 2025

Juviya Mathew, Haider Warraich, Ratul Kumar Das, Pouya Rezai, Satinder Kaur Brar

Summary

Researchers developed a fast, eco-friendly microplastic detection method using curcumin as a natural fluorescent dye to stain polyethylene microplastics smaller than 10 micrometres in wastewater effluent, and captured stained particles via electrophoresis in a microfluidic device as a sustainable alternative to synthetic dyes.

Polymers

PE

Study Type Environmental

We present a fast, eco-friendly method for detecting polyethylene microplastics (<10 μm) in wastewater effluent using curcumin as a natural fluorescent dye. Curcumin-stained particles exhibited strong green fluorescence and electrophoretic capture in a microfluidic device, demonstrating a sustainable alternative to synthetic dyes for environmental microplastic detection.

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