Fluorescence correlation spectroscopic studies of diffusion within the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate

被引：61
|
作者：
Werner, JH
Baker, SN
Baker, GA
机构：
[1] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA
[2] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA
来源：
ANALYST | 2003年 / 128卷 / 06期
关键词：
D O I：
10.1039/b300734k
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Fluorescence correlation spectroscopy (FCS) measurements have been performed in order to determine the translational diffusion coefficients of three differently charged fluorescent probes (cationic: rhodamine 6G, neutral: 4-dicyanomethylene-2-methyl-6-p-dimethylaminostyryl-4-H-pyran, DCM, and anionic: fluorescein) dissolved within the common room temperature ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate, [bmim][PF6]. These experiments demonstrate that FCS is a rapid, sensitive, precise (typical RSD from 4-8%), and low-consumption screening tool for the determination of analyte mobility within microliter ionic liquid samples.
引用
收藏
页码：786 / 789
页数：4
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