Three Rhodamine-Based “Off–On” Chemosensors with High Selectivity and Sensitivity for Fe3+ Imaging in Living Cells
Spectrophotometry, Infrared
Nitrogen
Rhodamines
Iron
Ferric Compounds
Sensitivity and Specificity
01 natural sciences
Chemistry Techniques, Analytical
Molecular Imaging
0104 chemical sciences
Oxygen
Microscopy, Electron, Scanning
Humans
Benzothiazoles
Fluorescent Dyes
HeLa Cells
DOI:
10.1021/jo202056t
Publication Date:
2011-12-17T16:04:15Z
AUTHORS (8)
ABSTRACT
Three new rhodamine-based probes Y1-Y3 were synthesized as "off-on" chemosensors for Fe(3+) imaging in living cells. The recognizing behaviors were investigated both experimentally and computationally. The crystal structure of the complex Y3-Fe(3+) revealed that Fe(3+) preferred to coordinate with the N atom of benzothiazole moiety rather than the O atom of carboxyl group.
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