Coherent Anti-Stokes Raman Scattering Microspectroscopic Kinetic Study of Fast Hydrogen Bond Formation in Microfluidic Devices

被引：6
|
作者：
Oshovsky, Gennady V. [1 ,2 ]
Rago, Gianluca [2 ,3 ]
Day, James P. R. [2 ]
Soudijn, Maarten L. [2 ]
Rock, William [3 ]
Parekh, Sapun H. [3 ]
Ciancaleoni, Gianluca [1 ]
Reek, Joost N. H. [1 ]
Bonn, Mischa [2 ,3 ]
机构：
[1] Univ Amsterdam, Vant Hoff Inst Mol Sci, NL-1098 XH Amsterdam, Netherlands
[2] FOM Inst AMOLF, Biosurface Spect Grp, NL-1098 XG Amsterdam, Netherlands
[3] Max Planck Inst Polymer Res, Mol Spect Dept, D-55128 Mainz, Germany
来源：
ANALYTICAL CHEMISTRY | 2013年 / 85卷 / 19期
关键词：
MOLECULAR RECOGNITION; MACROCYCLE INTERACTION; MAXIMUM-ENTROPY; CARS MICROSCOPY; COMPLEX MATTER; CHEMISTRY; SPECTROSCOPY; SYSTEMS; WATER; MECHANISMS;
D O I：
10.1021/ac402233n
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The kinetics of a key noncovalent, hydrogen bonding interaction was studied in situ using coherent anti-stokes Raman scattering (CARS) microspectroscopy in a microfluidic device. The association of model compounds, pyridine and hexafluoroisopropanol, was quantitatively monitored with submicrometer resolution. Lower limits for the very high formation and dissociation rate constants of the model 1:1 pyridine-hexafluoroisopropanol hydrogen bonded complex in dichloromethane-d(2) were determined to be k(1) > 10(5) and M-1 s(-1) and k(-1) > 333.3 s(-1), respectively.
引用
收藏
页码：8923 / 8927
页数：5
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