College of Chemistry and Chemical Engineering, Liaoning Key Laboratory for the Synthesis and Application of Functional Compounds, Bohai University, Jinzhou, China.
Spectrochim Acta A Mol Biomol Spectrosc. 2011 Mar;78(3):1168-72. doi: 10.1016/j.saa.2010.12.072. Epub 2010 Dec 29.
The first novel rhodamine B based sensor, rhodamine B hydrazide methyl 5-formyl-1H-pyrrole-2-carboxylate Schiff base (2) capable of detecting both Cu(2+) and Hg(2+) using two different detection modes has been designed and synthesized. The metal ion induced optical changes of 2 were investigated in MeOH:H(2)O (3:1) HEPES buffered solution at pH 7.4. Sensor 2 exhibits selective colorimetric recognition of Cu(2+) and fluorogenic recognition of Hg(2+) with UV-vis and fluorescence spectroscopy, respectively. Moreover, both of the Cu(2+) and Hg(2+) recognition processes are proven to be hardly influenced by other coexisting metal ions.
首次设计并合成了基于罗丹明 B 的新型传感器，即罗丹明 B 酰肼甲基 5-甲酰基-1H-吡咯-2-羧酸席夫碱（2），它能够通过两种不同的检测模式同时检测 Cu(2+)和 Hg(2+)。在 MeOH:H(2)O（3:1）HEPES 缓冲溶液中（pH 值为 7.4），研究了 2 中金属离子诱导的光学变化。该传感器 2 分别通过紫外-可见光谱和荧光光谱对 Cu(2+)进行比色识别，对 Hg(2+)进行荧光识别。此外，Cu(2+)和 Hg(2+)的识别过程均不受其他共存金属离子的影响。
