一种对 Al(III) 离子和溶液中形成的荧光物种具有高选择性的荧光化学传感器。
A highly selective fluorescent chemosensor for Al(III) ion and fluorescent species formed in the solution.
机构信息
Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, People's Republic of China.
出版信息
Inorg Chem. 2013 Jul 1;52(13):7320-2. doi: 10.1021/ic401028u. Epub 2013 Jun 20.
A chemosensor for the Al(3+) ion, 1-[(3-hydroxypyridin-2-ylamino)methylene]naphthalen-2(1H)-one (H2L), based on inhibited excited-state intramolecular proton transfer was synthesized. The experimental and theoretical calculations at B3LYP+PCM/6-31G(d) revealed that Al(3+) and H2L form a 1:1 complex, [AlL(OH)(H2O)]2, in dimethyl sulfoxide that exhibits two remarkably enhanced fluorescent emissions at 523 and 553 nm. It is confirmed that H2L could be used to detect Al(3+) ions in cells by bioimaging.
一种基于抑制的激发态分子内质子转移的 Al(3+)离子化学传感器，1-[(3-羟基吡啶-2-基氨基)亚甲基]萘-2(1H)-酮（H2L）被合成。在 B3LYP+PCM/6-31G(d)的实验和理论计算表明，Al(3+)和 H2L 形成了 1:1 的配合物，[AlL(OH)(H2O)]2，在二甲基亚砜中表现出两个显著增强的荧光发射峰，分别在 523nm 和 553nm。证实 H2L 可用于通过生物成像检测细胞中的 Al(3+)离子。
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