Rapid and simple nanosensor by combination of graphene quantum dots and enzymatic inhibition mechanisms

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• 作者：E. Caballero-Dí ; az¹Author Vitae ; S. Bení ; tez-Martí ; nez¹Author Vitae ; M. Valcá ; rcel ; ^{qa1meobj@uco.es} ; ^{qa1vacam@uco.es}Author Vitae
• 关键词：N-doped graphene quantum dots ; Fluorescent sensor ; Enzymatic inhibition ; Fenoxycarb ; Acetylcholinesterase
• 刊名：Sensors and Actuators B: Chemical
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：240
• 期：Complete
• 页码：90-99
• 全文大小：2760 K
• 卷排序：240

文摘

Graphene quantum dots are proposed as fluorescent probes for fenoxycarb determination. Acetylcholinesterase was chosen as biorecognition element in the procedure. Quenching effect of reaction products on nanoparticle fluorescence allowed for detection of fenoxycarb inhibitor. The fluorescence recovery was dependent on fenoxycarb concentration. Analysis of river water was successfully performed through the developed sensing method.