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  • Title: A highly selective, fluorescent chemosensor for bioimaging of Fe³⁺.
    Author: Zhang L, Wang J, Fan J, Guo K, Peng X.
    Journal: Bioorg Med Chem Lett; 2011 Sep 15; 21(18):5413-6. PubMed ID: 21802288.
    Abstract:
    A fluorescent sensor for Fe(3+) has been synthesized based on rhodamine-lactam, which shows excitation (531 nm) and emission (557 nm) wavelength, displays an excellent selectivity for Fe(3+) and can be used for imaging Fe(3+) in living cells. The pK(a) of the sensor is as low as of 3.2. It can be used in the range of pH 5-9.
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