Switching the recognition preference of rhodamine B spirolactam by replacing one atom: Design of rhodamine B thiohydrazide for recognition of Hg(II) in aqueous solution
Date
2006-02Author
Zheng, Hong
郑洪
Qian, Zhen-Hua
Xu, Lei
Yuan, Fang-Fang
Lan, Li-Dan
Xu, Jin-Gou
许金钩
Collections
- 化学化工-已发表论文 [14469]
Abstract
A new chemosensor based on rhodamine B thiohydrazide is described. Chemosensor B was found to show a reversible dual chromo- and fluorogenic response toward Hg2+ in aqueous solution in a highly selective and sensitive manner. This was suggested to result from the coordination of Hg2+ at the N, S binding sites in B to open its spiro ring.