A highly sensitive naphthalimide based fluorescent "turn-on" sensor for H2S and its bio-imaging applications

被引：23

作者：

Jothi, Dhanapal ^{[1
]}

Iyer, Sathiyanarayanan Kulathu ^{[1
]}

机构：

[1] Vellore Inst Technol, Sch Adv Sci, Dept Chem, Vellore 632014, India

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2022年 / 427卷

关键词：

Hydrogen sulfide; Naphthalimide; 2-picolylamine; Fluorescent turn-on; Living E-coli cells bioimaging; Environmental sample analysis; HYDROGEN-SULFIDE; ELECTROCHEMICAL DETECTION; SELECTIVE DETECTION; NITRIC-OXIDE; PROBE; COMPLEX; COORDINATION; RECOGNITION; PORPHYRIN; APOPTOSIS;

D O I：

10.1016/j.jphotochem.2022.113802

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel fluorescent sensor based on intramolecular charge transfer (ICT) for detecting the H2S ion has been successfully designed and developed. The H2S amount was determined using a sensor probe of 6-azido-2-(pyri-din-2-ylmethyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione (NPN-N-3) with high selectivity. The fluorescence in-tensity ratio of NPN-N-3 was shown to be linearly related to the concentration of H2S, with a LOD of 1.2 mu M. Besides that, there was an apparent fluorescent colour changes from colorless to green. Fluorescence bio-imaging with various emission channels could be used with the current sensor probe to detect H2S ions in living cells. The real-time application of H2S was proved by test strip experiments.

引用

页数：9

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