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Copper-uptake mediated by an ecofriendly zwitterionic ionic liquid: A new challenge for a cleaner bioeconomy

Journal of Environmental Sciences 2023年第8期130卷 92-101页

作者： Marie E.Vuillemin Christophe Waterlot Anthony Verdin Sylvain Laclef Christine Cézard david lesur Catherine Sarazin Dominique Courcot Caroline Hadad Eric Husson Albert Nguyen Van Nhien Enzyme and Cell Engineering UMR 7025 CNRSUniversity of Picardie Jules Verne-Faculty of Sciences33 rue Saint Leu80039 Amiens CedexFrance University of Lille Mines-Télécom InstituteUniversity of ArtoisJUNIAULR 4515-LGCgELaboratory of Civil Engineering and Geo-EnvironmentF-59000 LilleFrance Environmental Chemistry and Life Interactions Unit UCEIV UR4492FR CNRS 3417University of Littoral Cote d’Opale(ULCO)DunkerqueFrance Laboratory of Glycochemistry Antimicrobials and AgroresourcesUMR CNRS 7378University of Picardie Jules Verne-Faculty of Sciences33 rue Saint Leu80039 Amiens CedexFrance Institute of Chemistry of Picardie FR CNRS 3085 80039 AmiensFrance

This study aims to investigate the ability of an imidazolium biobased Zwitterionic Ionic Liquids(ZILs)in enhancing the phytoavailability of copper from garden(G)and vineyard(V)soils using the model plant *** and artificially contaminated CuSO_(4) soils,unamended and ZIL-amended soil modalities were *** copper/ZIL molar ratio(1/4)introduced was rationally established based on molecular modeling and on the maximal copper concentration in artificially contaminated *** accumulation of copper in the shoots was detected for the uncontaminated and copper contaminated ZIL amended V soils(18.9 and 23.3 mg/kg,respectively)contrary to G soils together with a ZIL concentration of around 3%(W/W)detected by LC-MS *** data evidenced a Cu-accumulation improvement of 38%and 66%compared to non-amended V soils(13.6 and 13.9 mg/kg respectively).ZIL would be mainly present under Cu(II)-ZIL_(4) complexes in the *** impact on the chemical composition of shoot was also *** results show that depending on the soils modalitity,the presence of free copper and/or ZIL led to different chemical compositions in lignin and monomeric sugar *** the biorefinery context,performances of enzymatic hydrolysis of shoots were also related to the presence of both ZIL and copper under free or complex *** assessment of the vineyard soil samples indicated that the quantity of copper and ZIL remaining in the soils had no significant *** amendment in a copper-contaminated soil was demonstrated as being a promising way to promote the valorization of phytoremediation plants.

关键词： Cu-accumulation Biobased Zwitterionic Ionic Liquid (ZIL) Enzymatic hydrolysis Ecotoxicity

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