Dyes and Pigments   2016 年 134 卷

2016.11.01

To obtain a better insight into the physiological and pathological functions of pH, probes with supra optical properties in water are still needed urgently. Focused on this situation, we herein reported a hemicyanine based probe for pH detection in aqueous solution. The probe has excellent water-solubility, high selectivity and sensitivity. Also, the structure of the probe from phenol to phenoxide induced a turn-on fluorescent response within a certain pH range of 4.5??“10.7 and peaked with 30-fold enhancement, and the pK