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The Youtube channel Zeste de science explores all aspects of scientific research, proving that even the most complicated scientific facts can be explained in less than 5 minutes, and that even the most seemingly trivial events of everyday life, if thoroughly studied, can contribute to the biggest technological advances. Episode 10: What happens to a drop of liquid that meets the surface of another liquid? Researchers in Toulouse conducted an experiment to answer that question…

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…

The aim of the PlastiGar study project is to monitor plastic pollution in the Garonne over three years to assess its impact on biodiversity in 14 separate sites. The film shows us how the researchers carry out measurements of microplastic concentrations in the river and how the first laboratory analyses are carried out. Starting in 2019, the project will be extended to study the presence of plastic in living organisms.

In this short film, Isabelle Rico-Lattes from the IMRCP (Laboratory for Molecular Interactions & Chemical and Photochemical Reactivity) explains what the green chemistry is. It consists in a chemistry resolutely turned to the future, cleaner, using catalysts which can be recycled and less solvent and reagents.

In Isabelle Rico-Lattes ' laboratory, researchers use the green chemistry concepts which revolutionize, among others, the pharmaceutical drugs sector.