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  • Title: Three rhodamine-based "off-on" chemosensors with high selectivity and sensitivity for Fe3+ imaging in living cells.
    Author: Yang Z, She M, Yin B, Cui J, Zhang Y, Sun W, Li J, Shi Z.
    Journal: J Org Chem; 2012 Jan 20; 77(2):1143-7. PubMed ID: 22176038.
    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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