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Highly selective ratiometric fluorescent detection of Fe3+ with a polyphenyl derivative
作者:Li, Z. X.; Zhou, W.; Zhang, L. F.; Yuan, R. L.; Liu, X. J.; Wei, L. H.; Yu, M. M.*
關(guān)鍵字:EXCIMER FORMATION; LIVING CELLS; SENSOR; ION; CHEMOSENSOR; RECEPTOR; WATER; SENSITIVITY; DESIGN; CU2+
論文來源:期刊
具體來源:J. Lumin. 2013, 136, 141-144.
發(fā)表時(shí)間:2013年
Compared with other fluorescent probes, ratiometric fluorescence responses are more attractive because the ratio between the two emission intensities can be used to measure the analyte concentration and provide a built-in correction for environmental effects. A highly selective and sensitive ratiometric fluorescent probe for Fe3+ was synthesized, which exhibits an enhanced fluorescence with a large red-shift in emission from 361 to 455 nm upon addition of Fe3+ The red-shift of the emission peak can be ascribed to the reformed orbital, and the increase of emission intensity may be ascribed to the inhibition of the rotation of C-C bonds between each two aromatic rings.
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