Cu/CuO-Graphene Foam with Laccase-like Activity for Identification of Phenolic Compounds and Detection of Epinephrine

作     者：ZHU Junlun CUI Qian WEN Wei ZHANG Xiuhua WANG Shengfu ZHU Junlun;CUI Qian;WEN Wei;ZHANG Xiuhua;WANG Shengfu

作者机构：Key Laboratory for the Synthesis and Application of Organic Functional MoleculesMinistry of EducationCollege of Chemistry and Chemical EngineeringHubei UniversityWuhan430062P.R.China 

出 版 物：《Chemical Research in Chinese Universities》 (高等学校化学研究（英文版）)

年 卷 期：2022年第38卷第4期

页      面：919-927页

核心收录：

学科分类：0831[工学-生物医学工程（可授工学、理学、医学学位）] 08[工学] 0836[工学-生物工程] 

基　　金：supported by the National Natural Science Foundation of China(Nos.22076041,22076042) the Key Science Research Plan of Department of Education in Hubei Province,China(No.D20201005) 

主　　题：Nanozyme Laccase-like activity Cu/CuO-graphene foam Phenolic compound Epinephrine 

摘      要：Although great progress has been made in the advancement of nanozymes,most of the studies focus on mimicking peroxidase,oxidase,and catalase,while relatively few studies are used to mimic ***,the use of nanomaterials to mimic laccase activity will have great potential in environmental and industrial ***,Cu/CuO-graphene foam with laccase-like activity was designed for the identification of phenolic compounds and the detection of *** a typical experiment,the formation mechanism of Cu/CuO-graphene foam was investigated during the pyrolysis process by thermogravimetric-mass *** a laccase mimic,Cu/CuO-graphene foam exhibited excellent catalytic activity with a Michaelis-Menten constant and a maximum initial velocity of 0.17 mmol/L and 0.012µmol·L^(−1)·s^(−1),*** on this principle,Cu/CuO-graphene foam nanozyme could differentially catalyze phenolic compounds and 4-aminoantipyrine for simultaneous identification of phenolic ***,a colorimetric sensing platform was fabricated for the quantitative determination of epinephrine,showing linear responses to epinephrine in the range of 3µg/mL to 20µg/mL with the detection limit of 0.2µg/*** proposed Cu/CuO-graphene foam nanozyme could be applied for the identification of phenolic compounds and the detection of epinephrine,showing great potential applications for environmental monitoring,biomedical sensing,and food detection fields.