| 二氧化硅纳米粒子荧光探针对Cu2+的探测 |
| |
| 引用本文： | 方国,高大明.二氧化硅纳米粒子荧光探针对Cu2+的探测[J].北京石油化工学院学报,2010,18(4):10-12. |
| |
| 作者姓名： | 方国 高大明 |
| |
| 作者单位： | 北京化工大学,北京,102617;合肥学院,合肥,230601 |
| |
| 摘 要： | 铜离子是造成环境污染的重金属之一,如何检测出超低浓度的铜离子是人们一直关心的课题。合成了一种新型的纳米粒子荧光探针,利用荧光光谱法比较了Cd2＋、Co2＋、Ni2＋、Pb2＋、Mg2＋、Zn2＋、Ca2＋、Cu2＋对该纳米粒子荧光探针的荧光淬灭效应。结果表明,该纳米粒子荧光探针对Cu2＋具有很敏感的检测作用,其检测浓度达到1.0×10-11mol/L。
|
| 关 键 词： | 荧光淬灭 纳米探针 铜离子 |
The Detection of Cu2+ by Silica Nano-Particle Fluorescent Probe |
| |
| Fang Guo,Gao Daming.The Detection of Cu2+ by Silica Nano-Particle Fluorescent Probe[J].Journal of Beijing Institute of Petro-Chemical Technology,2010,18(4):10-12. |
| |
| Authors: | Fang Guo Gao Daming |
| |
| Affiliation: | Fang Guo1 Gao Daming2(1.Beijing University of Chemical Technology,Beijing 100029,China,2.Hefei University,Hefei 230601,China) |
| |
| Abstract: | Copper(Ⅱ) is one of the heavy metal causes of the environmental pollution,how to detect ultra low concentration of copper ions has become a problem people always care.In our work a new kind of nano-particle fluorescent probe has been synthesized,and the fluorescence quenching effect of metal ions Cd2+,Co2+,Ni2+,Pb2+,Mg2+,Zn2+,Ca2+,Cu2+ on the nano-particle fluorescence probes were studied by fluorescence spectroscopy.The results show that the synthesized nano-particle fluorescent probe has very sensitive detection effect for Cu2+,its lowest detection concentration can reach 1.0 ×10-11mol/L. |
| |
| Keywords: | fluorescence quenching nano-probe copper ion |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
