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From green chemistry to nature: The versatile role of low transition temperature mixtures

Durand E., Lecomte J., Villeneuve P.. 2016. Biochimie, 120 : p. 119-123.

DOI: 10.1016/j.biochi.2015.09.019

In 1998, the concept of ¿green chemistry¿ was established through twelve principles with the aim of improving the eco-efficiency of chemical processes and to judge, whether or not, a chemical process is sustainable. Currently, numerous processes do not obey to most of these principles (large energy usage, formation of waste, usage of hazardous solvents and reagents, etc ¿), which have forced the scientists to develop and implement new strategies for upcoming researches. One of the most attractive challenges is finding, creating and developing new and green media. Over the last decades, the scientific community has mainly focused on two different classes of solvents (namely, Ionic liquids and Eutectic Solvents). These solvents share advantageous characteristics (low vapor pressure, thermally stable, non-flammable, etc ¿) making them an attractive option to implement sustainable chemistry and engineering. Mainly due to its environmental and economic features, DES are now growing much more interest. Indeed, although their ecotoxicological profile is still poorly known, DES are classified as ¿green¿ solvents because they are composed of molecules which are considered to be eco-friendly. The fast, numerous and broad scope of studies on these new liquids make the literature rather complex to understand. Here, we attempted to establish a succinct history and a presentation of these liquids with emphasis on their role, classification, importance and application in biological systems.

Mots-clés : chimie; solvant; propriété physicochimique; État physique; liquide; solide; température; durabilité; Écotoxicité; classification; biochimie

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