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Intelligent Digital Holographic systems to counteract microplastic pollution in marine waters

2022 IEEE International Workshop on Metrology for the Sea; Learning to Measure Sea Health Parameters (MetroSea) 2022 4 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Marika Valentino, Daniele Pirone, Jaromír Běhal, Simona Itri, Lisa Miccio, Pasquale Memmolo, Vittorio Bianco, Pietro Ferraro

Summary

Researchers developed a digital holography system capable of detecting and classifying microplastic particles in seawater in a label-free, high-throughput manner. The system can identify plastic particles that are otherwise invisible to the naked eye and can be adapted for use with microfluidic devices. This technology offers a faster and more compact alternative to traditional microscopy methods for marine microplastic monitoring.

Marine waters are overwhelmed with tons of plastic debris by now. The ecosystem is cornered by something invisible, but extremely harmful, i.e. microplastic particles. Here, we present how Digital Holography (DH) makes visible what is not, in a label-free/compact manner, with high throughput and adaptability to microfluidic systems. Microplastics can be detected and classified thanks to both DH principle and artificial intelligence, thus ensuring the possibility of conducting campaigns of experiments for microplastics identification and monitoring directly on the spot.

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