Turn-on fluorescent cyanide sensor based on copper ion-modified CdTe quantum dots
文献类型：期刊论文
| 作者 | Shang L ; Zhang LH ; Dong SJ |
| 刊名 | analyst
 |
| 出版日期 | 2009 |
| 卷号 | 134期号:1页码:107-113 |
| 关键词 | AQUEOUS-SOLUTIONS ENHANCED FLUORESCENCE SELECTIVE CHEMOSENSOR ANION RECOGNITION LUMINESCENT CDSE SURFACE PROBES DESIGN BLOOD |
| ISSN号 | 0003-2654 |
| 通讯作者 | dong sj |
| 中文摘要 | a new fluorescent sensor for the sensitive and selective detection of cyanide (cn-) in aqueous media was developed herein. the sensing approach is based on cn--modulated quenching behavior of cu2+ toward the photoluminescence (pl) of cdte quantum dots (qds). in the presence of cn-, the pl of qds that have been quenched by cu2+ was found to be efficiently recovered, which then allows the detection of cn- in a very simple approach. experimental results showed that the ph of the buffer solution, concentration of copper ions, and size of cdte qds all influenced the response of the sensor to cn-. under the optimal conditions, a good linear relationship between the pl intensity and the concentration of cn- can be obtained in the range of 3.0 x 10(-7) to 1.2 x 10(-5) m, with a detection limit as low as 1.5 x 10(-7) m. in addition, the present fluorescent sensor possesses remarkable selectivity for cyanide over other anions, and negligible influences were observed on the cyanide detection by the coexistence of other anions or biological species (such as albumin and typical blood constituents). |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000261742600016 |
| 公开日期 | 2010-05-27 |
| 源URL | [http://202.98.16.49/handle/322003/11937]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Shang L,Zhang LH,Dong SJ. Turn-on fluorescent cyanide sensor based on copper ion-modified CdTe quantum dots[J]. analyst,2009,134(1):107-113. |
| APA | Shang L,Zhang LH,&Dong SJ.(2009).Turn-on fluorescent cyanide sensor based on copper ion-modified CdTe quantum dots.analyst,134(1),107-113. |
| MLA | Shang L,et al."Turn-on fluorescent cyanide sensor based on copper ion-modified CdTe quantum dots".analyst 134.1(2009):107-113. |
入库方式： OAI收割
来源：长春应用化学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。