A graphene quantum dot-based fluorescent nanoprobe for hypochlorite detection in water and in living cells
A graphene quantum dot-based fluorescent nanoprobe for hypochlorite detection in water and in living cells
复制标题
基于石墨烯量子点的荧光纳米探针，用于水和活细胞中的次氯酸盐检测
DOI：
10.1007/s00604-017-2412-z
复制
发表时间：
2017-10-01
影响因子：
5.7
通讯作者：
Lin, Hengwei
中科院分区：
文献类型：
--
作者：
Ma, Liling;Sun, Shan;Lin, Hengwei
The authors describe a fluorometric nanoprobe for hypochlorite ion. It was prepared by covalently linking o-phenylenediamine to graphene quantum dots (GQDs). The probe displays green fluorescence with excitation/emission peaks at 440/534 nm. In the presence of chlorite, oPD is oxidized to form a quinone-iminium compound which induces a reduction in fluorescence intensity. The nanoprobe enables chlorite to be determined with a 69 nM limit of detection. The probe is highly selective, well water soluble and biocompatible. It was successfully employed in the determination of chlorite in spiked tap water and living cells. The method is believed to represent a promising tool for the determination of chlorite in environmental, biological and clinical samples.
