A novel fluorescein-based dye containing a catechol chelating unit to sense iron(III)
作者:Carla Queirós、Ana M.G. Silva、Sílvia C. Lopes、Galya Ivanova、Paula Gameiro、Maria Rangel
DOI:10.1016/j.dyepig.2011.10.010
日期:2012.4
In the present work we report the synthesis and characterization of a novel fluorescein-based dye containing a catechol chelating unit designed to act as a chemosensor for iron(III). The compound was prepared using conventional and microwave-assisted amide coupling of a catechol derivative with a 5(6)-carboxyfluorescein scaffold. One of the most interesting features of this conjugate structure is a
在本工作中,我们报告了一种新型的基于荧光素的染料的合成和表征,该染料含有邻苯二酚螯合单元,旨在用作铁(III)的化学传感器。使用邻苯二酚衍生物与5(6)-羧基荧光素支架的常规微波辅助酰胺偶联制备该化合物。该缀合物结构最有趣的特征之一是邻苯二酚环上靠近荧光团的高亲和力结合位点。结果,通过光谱法(在生理pH下)监测了新化合物在具有生物学重要性的金属离子存在下的行为。结果表明,该缀合物对铁(III)特别敏感,因此表明它可以用作荧光化学传感器,用于检测细胞系统中的铁(III)。