Water-soluble porphyrin as temperature sensor based on fluorescent enhancement
Qiang Fei , Chunyu Wang , Baojun Wang , Hui Xu , Guanghua Li , Yanfu Huan , Hongyan Shan , Guodong Feng
Chemical Research in Chinese Universities ›› 2014, Vol. 30 ›› Issue (3) : 379 -382.
Water-soluble porphyrin as temperature sensor based on fluorescent enhancement
A novel water-soluble porphyrin[5,10,15,20-tetra(3-ethoxy-4-hydroxy-5-sulfonate)phenyl porphyrin, H2TEHPPS]_was designed and synthesized, which could be used as a potential fluorescence sensor to detect temperature changes. The studies were performed in solution phase and the concentration of H2TEHPPS was 2.0×10−5 mol/L. The optical properties of H2TEHPPS were investigated based on the UV and fluorescence spectra. The results show that the fluorescence intensity of H2TEHPPS is directly proportional to temperature in the range of 293–353 K. So H2TEHPPS can be used as a molecular temperature sensor in biomedical and other fields.
Water-soluble porphyrin / Enhanced fluorescence effect / Temperature / Sensor
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