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First Dual Responsive “Turn‐On” and “Ratiometric” AIEgen Probe for Selective Detection of Hydrazine Both in Solution and the Vapour Phase
Author(s) -
Purohit Deepak,
Sharma Chandra P.,
Raghuvanshi Ashutosh,
Jain Ankita,
Rawat Kundan S.,
Gupta Neeraj M.,
Singh Jagriti,
Sachdev Monika,
Goel Atul
Publication year - 2019
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201900003
Subject(s) - hypsochromic shift , hydrazine (antidepressant) , turn (biochemistry) , fluorescence , chemistry , photochemistry , phase (matter) , nuclear chemistry , organic chemistry , chromatography , optics , physics , biochemistry
A new dual responsive “turn‐on” and “ratiometric” aggregation‐induced emission luminogen (AIEgen) 3‐formyl‐5‐(piperidin‐1‐yl)biphenyl‐4‐carbonitrile 6 a (FPBC 6 a ) for selective detection of hydrazine in solution as well as in vapour phase is described. At a low concentration of 2.5 μ m , the probe FPBC 6 a is non‐fluorescent (turn‐off) but remarkably lights up (turn‐on with blue emission) in the presence of hydrazine solution (0.25–25 μ m ). Interestingly, at higher concentrations, the nanoaggregates of FPBC 6 a (>25 μ m , 99 % HEPES in DMSO) displayed ratiometric response in the presence of hydrazine with a remarkable hypsochromic shift from the green (500–550 nm) to blue regions (440–480 nm). Furthermore, a real application of FPBC 6 a was successfully demonstrated through the detection and visualization of hydrazine in live cervical cancer cells as well as using portable test strips.