Metal ion-modulated graphene-DNAzyme interactions: design of a nanoprobe for fluorescent detection of lead(ii) ions with high sensitivity, selectivity and tunable dynamic range†
Yanqin Wen,Cheng Peng,Di Li,Lin Zhuo,Shijiang He,Lihua Wang,Qing Huang,Qing-Hua Xu,Chunhai Fan
Chemical Communications Pub Date : 04/19/2011 00:00:00 , DOI:10.1039/C1CC11486G
Abstract
We investigate interactions between graphene oxide and a Pb2+-dependent DNAzyme, based on which a Pb2+ sensor with high sensitivity, selectivity and tunable dynamic range is developed.