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Microplastic fouling: A gap in knowledge and a research imperative to improve their study by infrared characterization spectroscopy

Marine Pollution Bulletin 2022 14 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 35 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Maialen Palazot, Stéphane Bruzaud, Maria Luiza Pedrotti Maria Luiza Pedrotti Maria Luiza Pedrotti Kedzierski, Mikaël, Kedzierski, Mikaël, Maria Luiza Pedrotti Kedzierski, Mikaël, Maria Luiza Pedrotti Maria Luiza Pedrotti Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Lata Soccalingame, Lata Soccalingame, Maialen Palazot, Maialen Palazot, Maialen Palazot, Maialen Palazot, Lata Soccalingame, Lata Soccalingame, Maialen Palazot, Maialen Palazot, Maialen Palazot, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Maria Luiza Pedrotti Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Maialen Palazot, Maialen Palazot, Maialen Palazot, Maialen Palazot, Lata Soccalingame, Lata Soccalingame, Maialen Palazot, Maialen Palazot, Maialen Palazot, Maialen Palazot, Lata Soccalingame, Lata Soccalingame, Kedzierski, Mikaël, Lata Soccalingame, Lata Soccalingame, Maialen Palazot, Maialen Palazot, Maria Luiza Pedrotti Maria Luiza Pedrotti Maialen Palazot, Maialen Palazot, Lata Soccalingame, Lata Soccalingame, Lata Soccalingame, Stéphane Bruzaud, Lata Soccalingame, Kedzierski, Mikaël, Stéphane Bruzaud, Maialen Palazot, Kedzierski, Mikaël, Kedzierski, Mikaël, Lata Soccalingame, Kedzierski, Mikaël, Maialen Palazot, Kedzierski, Mikaël, Maria Luiza Pedrotti Maialen Palazot, Maialen Palazot, Lata Soccalingame, Kedzierski, Mikaël, Maria Luiza Pedrotti Stéphane Bruzaud, Kedzierski, Mikaël, Stéphane Bruzaud, Maialen Palazot, Maria Luiza Pedrotti Maria Luiza Pedrotti Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Maria Luiza Pedrotti Maria Luiza Pedrotti Maialen Palazot, Kedzierski, Mikaël, Maria Luiza Pedrotti Kedzierski, Mikaël, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Maria Luiza Pedrotti Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Lata Soccalingame, Lata Soccalingame, Kedzierski, Mikaël, Maria Luiza Pedrotti Kedzierski, Mikaël, Maria Luiza Pedrotti Kedzierski, Mikaël, Stéphane Bruzaud, Kedzierski, Mikaël, Maria Luiza Pedrotti Maria Luiza Pedrotti Stéphane Bruzaud, Maria Luiza Pedrotti Maria Luiza Pedrotti Maria Luiza Pedrotti Maria Luiza Pedrotti Stéphane Bruzaud, Stéphane Bruzaud, Kedzierski, Mikaël, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Kedzierski, Mikaël, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Maria Luiza Pedrotti Maria Luiza Pedrotti Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Stéphane Bruzaud, Maria Luiza Pedrotti Maria Luiza Pedrotti Maria Luiza Pedrotti Stéphane Bruzaud, Stéphane Bruzaud, Kedzierski, Mikaël, Maria Luiza Pedrotti Maria Luiza Pedrotti Stéphane Bruzaud, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Kedzierski, Mikaël, Maialen Palazot, Kedzierski, Mikaël, Maialen Palazot, Maria Luiza Pedrotti Stéphane Bruzaud, Maria Luiza Pedrotti Kedzierski, Mikaël, Maria Luiza Pedrotti Kedzierski, Mikaël, Stéphane Bruzaud, Kedzierski, Mikaël, Maialen Palazot, Maialen Palazot, Lata Soccalingame, Lata Soccalingame, Maria Luiza Pedrotti Maria Luiza Pedrotti Maria Luiza Pedrotti Maria Luiza Pedrotti Maria Luiza Pedrotti

Summary

Researchers analysed 4,042 infrared spectra of polystyrene, polyethylene, and polypropylene microplastics collected from the Mediterranean Sea using principal component analysis, identifying that spectral variability in weathered marine microplastics is primarily driven by three processes: chemical ageing, organic fouling, and inorganic fouling.

The marine weathering of microplastics is spectrally characterized by the appearance of new bands that disturb our understanding of the information carried by the spectra. Yet, no explanation has been provided on the chemical origin of these new bands. Thus, the main objective of this work was to identify the origins of these additional bands. To this end, 4042 spectra of poly (styrene), poly(ethylene) and poly(propylene) microplastics collected in the Mediterranean Sea, were analysed using principal component analysis. The results showed that the spectral variability was mainly related to only three processes: chemical ageing, organic and inorganic fouling. These processes probably differ from one polymer family to another due to surface affinities. This work has also led to the proposal of two new polymer indices that could be used to monitor the intensity of (bio)fouling. Finally, the development of advanced analyses could also provide information on the nature of the plastisphere.

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