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由功能化席夫碱配体配位的钌(II)联吡啶配合物的合成:M2 +结合与传感(M2 + = Ca2 +,Mg2 +)的表征、光谱和等温滴定量热法测量

Synthesis of a ruthenium(II) bipyridyl complex coordinated by a functionalized Schiff base ligand: characterization, spectroscopic and isothermal titration calorimetry measurements of M2+ binding and sensing (M2+=Ca2+, Mg2+).

作者信息

Dixit Namrata, Mishra Lallan, Mustafi Sourajit M, Chary Kandala V R, Houjou Hirohiko

机构信息

Department of Chemistry, Faculty of Science, Banaras Hindu University, Varanasi- 221 005, India.

出版信息

Spectrochim Acta A Mol Biomol Spectrosc. 2009 Jul;73(1):29-34. doi: 10.1016/j.saa.2009.01.015. Epub 2009 Jan 29.

DOI:10.1016/j.saa.2009.01.015
PMID:19230747
Abstract

Bis-[methylsalicylidine-4'benzoic acid]-ethylene (LH2) complexed with cis-Ru(bpy)2Cl(2).2H2O provides a complex of composition [Ru(bpy)2L].2NH4PF6 (1), which has been characterized spectroscopically. Its binding behaviour towards Mg2+ and Ca2+ ions is monitored using 1H NMR titration, isothermal titration calorimetry (ITC) and luminescence microscopy. The luminescent ruthenium complex binds Ca2+ in a more selective manner as compared to Mg2+.

摘要

双-[甲基水杨醛-4'-苯甲酸]-乙烯(LH2)与顺式-Ru(bpy)2Cl(2).2H2O 络合得到组成为[Ru(bpy)2L].2NH4PF6 的络合物(1),该络合物已通过光谱进行了表征。使用 1H NMR 滴定、等温滴定量热法(ITC)和发光显微镜监测其对 Mg2+和 Ca2+离子的结合行为。与 Mg2+相比,发光钌络合物以更具选择性的方式结合 Ca2+。

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