Novel ratiometric fluorescent sensor for silver ions.
Incorporating azacrown[N,S,O] into furoquinoline fluorophore yields a novel ratiometric fluorescent sensor FQ-crown for silver ions. UV-vis absorption and fluorescence emission investigations indicate that FQ-crown bears the features of a large Stokes shift, about 173 nm, and red-shift up to 50 nm in the emission spectra and high affinity for silver ions (log K = 7.21) in ethanol in comparison with other competitive d(10) metal ions.
Wang
Huan-Huan
HH
Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 PR China.
Xue
Lin
L
Qian
Yuan-Yu
YY
Jiang
Hua
H
D001372:Aza Compounds / Q000737:chemistry*; D005456:Fluorescent Dyes / Q000138:chemical synthesis / Q000737:chemistry*; D007477:Ions / Q000032:analysis; D011804:Quinolines / Q000737:chemistry*; D012834:Silver / Q000032:analysis*; D013050:Spectrometry, Fluorescence; D013056:Spectrophotometry, Ultraviolet
D001372:Aza Compounds; D005456:Fluorescent Dyes; D007477:Ions; D011804:Quinolines; D012834:Silver