Fluorescent Molecular Rotor-Based Probes for Sensitive and Selective Detection of Nanoplastics in Food, Environment, and Living Cells

Fluorescence imaging of microplastics and nanoplastics in biological samples

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Researchers reviewed fluorescence imaging techniques for detecting microplastics and nanoplastics in biological samples, highlighting advances in fluorescent dye staining, label-free autofluorescence detection, and super-resolution microscopy that can visualize particles as small as 50 nm inside living organisms.

Detection and characterization of microplastics and nanoplastics in biological samples

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Researchers reviewed current methods for detecting and characterizing microplastics and nanoplastics in biological samples, finding that most techniques are optimized for environmental media like water and perform poorly in complex biological matrices, and recommending improved workflows for digestion, separation, enrichment, and analysis of particles in organisms and human tissues.

Microfluidic platforms for detection and biological evaluation of micro- and nanoplastics

A New Approach for Detecting and Quantifying Microplastics and Nanoplastics in Water Using Fluorescence Labeling and Nanoparticle Tracking Analysis

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Researchers paired the fluorescent dye Cy5 with nanoparticle tracking analysis to detect and size micro- and nanoplastics in water, tracking Brownian motion trajectories to calculate hydrodynamic parameters with higher selectivity and sensitivity than conventional microscopy or spectroscopy methods.

Application of Eco-Friendly Fluorescent Dyes in Microplastic Detection

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Scientists tested safer, eco-friendly glowing dyes as a way to spot tiny plastic particles (microplastics) in samples, comparing them to the commonly used dye Nile Red. They found that the best dye and lighting combo depends on the type of plastic, for example, polypropylene (found in many food containers and packaging) was hardest to detect, while PET (used in bottles) was easiest. This matters because better, safer detection tools could help researchers more accurately track how much microplastic pollution surrounds us, which is an important step toward understanding its potential effects on our health.