19F, 13C NMR analysis of an oxygen carrier, perfluorotributylamine, and perfluoropentanoic acid

被引：12
|
作者：
Ribeiro, AA [1 ]
Umayahara, K [1 ]
机构：
[1] Duke Univ, Med Ctr, Duke NMR Spectr Ctr, Levine Sci Res Ctr B143, Durham, NC 27710 USA
来源：
MAGNETIC RESONANCE IN CHEMISTRY | 2003年 / 41卷 / 02期
关键词：
NMR; F-19; C-13 2D NMR; F-19-decoupled C-13 NMR; C-13; T-1; perfluorotributylamine; perfluoropentanoic acid; oxygen carrier;
D O I：
10.1002/mrc.1137
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
NMR relaxation measurement of perfluorocarbons (PFCs), such as perfluorotributylamine (FTBA), is a convenient method for the determination of oxygen concentrations in tissues and tumors. Previous relaxation studies of FTBA used different F-19 NMR assignments causing some confusion. Fluorine-detected F-19, C-13 HMQC and HMBC and selectively F-19-decoupled C-13 NMR provided unequivocal F-19 and C-13 assignments for FTBA and perfluoropentanoic acid (FPA). Based on those assignments, C-13 spin-lattice relaxation time constants (T-1) and effective correlation times for FTBA and FPA are reported and discussed. Copyright (C) 2003 John Wiley Sons, Ltd.
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收藏
页码：107 / 114
页数：8
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