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In this study, 3-ethyl-2-methylbenzothiazolium iodide and nitrophenyl-2-furancarboxaldehyde were used to synthesize a new fluorescent and chromogenic dual channel signal cyanide ion probe M, which showed high selectivity towards CN- analysis and strong antijamming capability towards other anions. When CN- is present in the solution, probe M indicates an obvious blue shift in UV–vis absorbance spectra,...
We reported a two-photon ratiometric fluorescent probe for detecting intracellular pH. When excited with 800nm laser, an optimal output of laser as the routine equipment of two-photon fluorescence microscopy, the two-photon excited fluorescence of this probe showed distinct emission peak shift as large as 109nm upon the change of pH values in vitro. Very importantly, the experiment results show that...
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