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Guy César

Researcher at University of Southern Brittany

Publications -  21
Citations -  1129

Guy César is an academic researcher from University of Southern Brittany. The author has contributed to research in topics: Biodegradation & Microplastics. The author has an hindex of 15, co-authored 20 publications receiving 751 citations.

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Accelerated ageing of polylactide in aqueous environments: Comparative study between distilled water and seawater

TL;DR: In this article, a baseline on degradation mechanism and degradation kinetics for lifetime prediction of polylactide (PLA) in a marine environment was established, where samples were immersed in distilled water for six months at different temperatures (25, 30, 40 and 50°C).
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Performance and environmental impact of biodegradable polymers as agricultural mulching films

TL;DR: Taking into account their mulching efficiency and biodegradability, the four PBAT-based studied materials are proven to constitute suitable alternatives to the excessively resistant PE material.
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Threat of plastic ageing in marine environment. Adsorption/desorption of micropollutants

TL;DR: It is reported, for the first time, that some aged plastics, without being cytotoxic, can release estrogenic compounds in marine environment.
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Degradation of Polyethylene Designed for Agricultural Purposes

TL;DR: In this article, three commercial mulch films have been submitted to standardised biodegradation tests and the results are discussed, and the first conclusions are that a very low degree of biodegradability of the commercial PE films is achieved from these tests and that crosslinked PE micro-fragments are found in soil after a very long period of time.
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Natural Degradation and Biodegradation of Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) in Liquid and Solid Marine Environments

TL;DR: In this article, the degradation and biodegradation of poly(3-hydroxybuyrate-co-3hydroxyvalerate) (PHBV) films were followed in different marine environments.