A quinoline based pH sensitive ratiometric fluorescent sensor: Structure and spectroscopy
Soma Mukherjee Amit Kumar Paul Helen Stoeckli-Evans
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A new quinoline based hydrazone was synthesized via a condensation reaction and characterized by NMR, mass and single crystal X-ray diffraction studies. It was investigated for suitability as a reversible ratiometric fluorescent pH sensor in acidic pH region. The sensor exhibits intramolecular charge transfer (ICT) type photophysical changes upon protonation of the quinoline ring. No significant interference on emission behavior was observed in the presence of various metal ions.
Soma Mukherjee1 Amit Kumar Paul1 Helen Stoeckli-Evans2
Volume 135, 2023
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