Journal
MOLECULES
Volume 28, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/molecules28010402
Keywords
fluorescence; hypochlorite anion (ClO-); near-infrared probe; chemodosimeter
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A novel near-infrared (NIR) fluorescent probe, SWJT-9, was designed and synthesized for the detection of hypochlorite anion (ClO-), showing excellent NIR fluorescence response with a color change under visible light. SWJT-9 demonstrated high selectivity, low detection limit (24.7 nM), and rapid detection (within 2 minutes) for ClO-. The detection mechanism of SWJT-9 on ClO- was confirmed using H-1 NMR, MS spectrum, and density functional theory (DFT) calculations.
A novel near-infrared (NIR) fluorescent probe (SWJT-9) was designed and synthesized for the detection of hypochlorite anion (ClO-) using a diaminomaleonitrile group as the recognition site. SWJT-9 had large Stokes shift (237 nm) and showed an excellent NIR fluorescence response to ClO- with the color change under the visible light. It showed a low detection limit (24.7 nM), high selectivity, and rapid detection (within 2 min) for ClO-. The new detection mechanism of SWJT-9 on ClO- was confirmed by H-1 NMR, MS spectrum, and the density functional theory (DFT) calculations. In addition, the probe was successfully used to detect ClO- in HeLa cells.
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