Fluorescence lifetime sensors for copper(II) ions based on resonance energy transfer

被引：0
|
作者：
Rolinski, OJ
Birch, DJS
机构：
来源：
SENSORS AND THEIR APPLICATIONS VIII | 1997年
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Two kinds of fluorescence lifetime sensors for copper(II) ions based on energy transfer are presented in this study. The previously developed [I] sensor with near infra-red donor Rhodamine 800 and Cu(II) ion as acceptor is compared with a new system based on Texas Red X as the donor and N,N,N',N'-tetra-methylethylene diamine : Cu(II) complex as acceptor. Enhanced absorption spectra of the ligand:Cu(II) complex increases the rate of energy transfer what improves detection limit for copper concentration in water down to similar to 2 ppb.
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页码：225 / 230
页数：6
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