A bifunctional probe 1 with iminocoumarin scaffold demonstrated different responses for Cu2+and Hg2+.In fluorescence mode of probe 1,the intensity at 528 nm was quenched severely upon the addition of Cu2+or Hg2+.Meanw...A bifunctional probe 1 with iminocoumarin scaffold demonstrated different responses for Cu2+and Hg2+.In fluorescence mode of probe 1,the intensity at 528 nm was quenched severely upon the addition of Cu2+or Hg2+.Meanwhile,a new fluorescence band at 574 nm appeared in the case of Hg2+.In its UV-Vis absorption mode,significant hypochromic shift for Cu2+and bathochromic shift for Hg2+occurred,which are in agreement with the observation of distinct color changes.In addition,probe 1can be used for the construction of a molecular logic gate with NOR and INHIBIT logic functions.展开更多
基金financially supported by the National Natural Science Foundation of China(21001058)the National Science Foundation for Fostering Talents in Basic Research of the NSFC(J1103307)+2 种基金the Fundamental Research Funds for the Central Universities(lzujbky-2013-ct02)Program for Changjiang Scholars and Innovative Research Team in University(IRT1138)the "111" Project of Ministry of Education
文摘A bifunctional probe 1 with iminocoumarin scaffold demonstrated different responses for Cu2+and Hg2+.In fluorescence mode of probe 1,the intensity at 528 nm was quenched severely upon the addition of Cu2+or Hg2+.Meanwhile,a new fluorescence band at 574 nm appeared in the case of Hg2+.In its UV-Vis absorption mode,significant hypochromic shift for Cu2+and bathochromic shift for Hg2+occurred,which are in agreement with the observation of distinct color changes.In addition,probe 1can be used for the construction of a molecular logic gate with NOR and INHIBIT logic functions.
