| 具有荧光增强性能的罗丹明B衍生物的合成及其对汞离子的检测 |
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| 引用本文： | 杨博,吴文辉. 具有荧光增强性能的罗丹明B衍生物的合成及其对汞离子的检测[J]. 影像科学与光化学, 2013, 31(6): 421-429. DOI: 10.7517/j.issn.1674-0475.2013.06.421 |
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| 作者姓名： | 杨博 吴文辉 |
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| 作者单位： | 北京理工大学 材料学院, 北京 100081 |
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| 摘 要： | 利用汞离子可以诱导罗丹明B衍生物的螺环结构发生开环反应并产生荧光增强效果这一特性,设计并合成了两种新型的荧光化学传感器2-噻吩甲醛罗丹明B酰肼(RhBTh)和苯甲醛罗丹明B酰肼(RhBAr),并研究了二者在汞离子检测中的应用.研究结果表明,RhBTh与RhBAr对汞离子均表现出非常好的荧光增强效果,检测过程中其它金属离子不会对检测结果产生明显的干扰.二者对汞离子的检测限分别为7.8 nmol/L和12.5 nmol/L.实验表明RhBTh和RhBAr对汞离子均具有良好的灵敏度和选择性.
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| 关 键 词： | 汞离子检测 荧光化学传感器 罗丹明B 荧光增强 嗜硫 |
| 收稿时间： | 2013-08-09 |
Synthesis of the Rhodamine B Derivatives with Fluorescence “Turn-on” Effect and Their Application to the Detection of Hg2+ |
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| YANG Bo;WU Wen-hui. Synthesis of the Rhodamine B Derivatives with Fluorescence “Turn-on” Effect and Their Application to the Detection of Hg2+[J]. Imaging Science and Photochemistry, 2013, 31(6): 421-429. DOI: 10.7517/j.issn.1674-0475.2013.06.421 |
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| Authors: | YANG Bo WU Wen-hui |
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| Affiliation: | School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China |
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| Abstract: | Based on the Hg2+-induced ring-open characteristic of spirolactam in Rhodamine derivatives, and followed by the fluorescence "turn-on" effect, novel fluorescent chemosensors 2-Thenaldehydealdehyde rhodamine B hydrazone (RhBTh) and Benzaldehyde rhodamine B hydrazone (RhBAr) had been designed and synthesized, and their application in the detection of Hg2+ were carried out. The results showed that both RhBTh and RhBAr exhibited good fluorescent enhancement toward Hg2+, and other metal ions showed no significant interference during the detection process. The detection limits were determined to be 7.8 nmol/L and 12.5 nmol/L, respectively. As a result, RhBTh and RhBAr showed good sensitivity and selectivity toward Hg2+. |
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| Keywords: | Hg2+ detection fluorescent chemosensor rhodamine B fluorescence enhancement thiophilic |
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