Li Qian-Ying, Li Yan-An, Guan Qun, Li Wen-Yan, Dong Xiao-Jie, Dong Yu-Bin
College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education , Shandong Normal University , Jinan 250014 , P. R. China.
Inorg Chem. 2019 Aug 5;58(15):9890-9896. doi: 10.1021/acs.inorgchem.9b01032. Epub 2019 Jun 26.
As an important type of reactive oxygen species (ROS), hypochloric acid (HClO) is closely linked with our daily life, and its convenient and rapid detection is very significant and imperative. Fluorescent and visual probes are being recognized as powerful and convenient tools for detection of ROS in the environment and living organisms by visualizing and imaging. In this contribution, a new metal-organic framework-based fluorescent probe , which was generated from a phenthiazine-decorated benzimidazole bridging dicarboxyl ligand and ZrCl under solvothermal conditions via in situ one-pot approach, is reported. The obtained features a unique HClO and Vitamin C-triggered reversible redox process, which is accompanied by both visual and fluorescence changes. Therefore, it can be a highly sensitive, specific, and reusable sensor to detect HClO species in water via both visual and fluorogenic observation (turn-on). Furthermore, its mixed membrane material (MMM) was fabricated by the combination of and poly(vinyl alcohol), and the obtained hydrophilic MMM can be used as a reversible colorimetric card for visual detection of the HClO in aqueous solution.
