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Plastic Ocean

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  00:04:32  2018  HD 16/9  Color  Sound

Plastic waste that accumulates in the ocean slowly deteriorates into smaller pieces. Scientists now estimate the amount of microplastics under the sea at 5000 billion tons, but the amount of nanoplastics remains unknown. That is why a French team decided to collect samples from the Mediterranean Sea to detect traces of nanoplastics. First, they concentrated the water by ultrafiltration and then used a dynamic light scattering technique to identify the nanoparticles. The final step was to resort to mass spectrometry to separate the natural nanoparticles from the nanoplastics. This issue is significant for the environment since nanoparticles now play a role in the food chain.

Producer : CNRS Images
Author : DIGUET Audrey
Chief editor : BAKER Nicolas (CNRS Images, UPS CNRS, Meudon)
Director : FRESILLON Cyril (CNRS Images, UPS CNRS, Meudon) ENA Alexandra (CNRS Images, UPS CNRS, Meudon)
Audiovisual processDiaporama with sound. Use of underwater shots, aerial shots and maps.
Voice over. Music.
PersonnalitiesTER HALLE Alexandra(CNRS, Univ. Toulouse Paul Sabatier)


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Technical Sheet
Item No.6517
PublicLarge audience
Original SupportHD
Ark Identifier