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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. Detection Methods Environmental Sources Sign in to save

Probing micro-plastic items with coherent light enables their identification through digital holography

2019 3 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Vittorio Bianco, Pasquale Memmolo, Pierluigi Carcagnì, Francesco Merola, Melania Paturzo, Cosimo Distante, Pietro Ferraro

Summary

Researchers demonstrated that digital holography microscopy can identify microplastics in water by generating a unique phase-contrast "fingerprint" from coherent light, offering a promising non-destructive imaging technique for mapping microplastic distribution and abundance in water samples.

Detection of micro-plastics in water samples is a highly pursued goal to map the distribution and abundance of these pollutants. Here we investigate the possibility to probe micro-plastics with coherent light and to image them by digital holography microscopy. From the recorded hologram, we access the phase-contrast map of the object. We show that this map can be used as a distinctive fingerprint to identify microplastics in water.

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