A highly specific pyrene-based fluorescent probe for hypochlorite and its application in cell imaging
A highly specific pyrene-based fluorescent probe for hypochlorite and its application in cell imaging
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一种高特异性次氯酸芘荧光探针及其在细胞成像中的应用
DOI:
10.1016/j.snb.2015.01.046
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发表时间:
2015-05
期刊:
影响因子:
--
通讯作者:
Shimei Jiang
中科院分区:
文献类型:
--
作者:
Libin Zang;Chunshuang Liang;Ying Wang;Wenhuan Bu;Hongchen Sun;Shimei Jiang
A fluorescent probe, 1-pyrenecarboxaldehyde, 2-phenylhydrazone (1), has been successfully developed for the detection of hypochlorite on the basis of a specific reaction with phenylhydrazone. The design strategy for the probe is based on the strong quenching effect of electron-donor phenylhydrazone on pyrene fluorescence via the photoinduced electron transfer process, and is accomplished through constructing the conjugated molecule by using a cleavable Cdouble bondN bond as a linker. This probe reacts selectively with hypochlorite over other ions and reactive oxygen species (ROS), accompanied by 42.6-fold fluorescence enhancement. Biological imaging studies using living cells (HeLa cells) to detect hypochlorite are successfully demonstrated.
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