A highly selective and sensitive inorganic/organic hybrid polymer fluorescence "turn-on" chemosensory system for iron cations.
A polymer-based fluorescence "turn-on" chemosensor is demonstrated with high sensitivity and selectivity toward Fe2+ cations. This system is an inorganic/organic hybrid system in which Cu2+ is coordinated at the receptor site of a conjugated polymer sensor. The unique quenching behavior of the Cu2+ toward this conjugated polymer was used to lower the initial fluorescence intensity of the sensory system. This results in a highly sensitive and also selective sensory system toward Fe2+ as compared to other related divalent transition-metal cations in solution.
Fan
Li-Juan
LJ
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902-6016, USA.
Jones
Wayne E
WE
D002412:Cations / Q000032:analysis; D002623:Chemistry Techniques, Analytical / Q000379:methods*; D003300:Copper / Q000737:chemistry; D005453:Fluorescence; D007501:Iron / Q000032:analysis*; D008670:Metals / Q000737:chemistry; D010777:Photochemistry / Q000379:methods; D011108:Polymers / Q000737:chemistry*; D012680:Sensitivity and Specificity; D017186:Titrimetry
D002412:Cations; D008670:Metals; D011108:Polymers; D003300:Copper; D007501:Iron