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:
Sensors and Actuators B: Chemical
影响因子:
--
通讯作者:
Shimei Jiang
Shimei Jiang
中科院分区:
其他
文献类型:
--
作者:
Libin Zang;Chunshuang Liang;Ying Wang;Wenhuan Bu;Hongchen Sun;Shimei Jiang

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基于1-芘甲醛2-苯腙(1)与次氯酸盐的特异性反应,成功地合成了一种检测次氯酸盐的荧光探针。探针的设计策略是基于电子供体苯腙通过光诱导电子转移过程对芘荧光的强烈猝灭作用,并通过使用可裂解的C双键N键作为连接体构建共轭分子来实现。该探针选择性地与次氯酸盐反应,而不是与其他离子和活性氧(ROS)反应,伴随着42.6倍的荧光增强。成功证明了使用活细胞(HeLa细胞)检测次氯酸盐的生物成像研究。
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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