Boosting Dissolution Dynamic Nuclear Polarization by Cross Polarization

被引:114
作者
Bornet, Aurelien [1 ]
Melzi, Roberto [2 ]
Linde, Angel J. Perez [1 ]
Hautle, Patrick [3 ]
van den Brandt, Ben [3 ]
Jannin, Sami [1 ]
Bodenhausen, Geoffrey [1 ,4 ,5 ,6 ]
机构
[1] Ecole Polytech Fed Lausanne, Inst Sci & Ingn Chim, CH-1015 Lausanne, Switzerland
[2] Bruker Italia Srl, I-20158 Milan, Italy
[3] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
[4] Ecole Normale Super, Dept Chim, F-75231 Paris 05, France
[5] Univ Paris 06, Paris, France
[6] CNRS UPMC ENS, UMR 7203, Paris, France
来源
JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2013年 / 4卷 / 01期
基金
瑞士国家科学基金会;
关键词
RODENT MRI SCANNER; HYPERPOLARIZED Y-89; CONTRAST AGENTS; NMR; PRINCIPLES; RESONANCE; TIMES;
D O I
10.1021/jz301781t
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The efficiency of dissolution dynamic nuclear polarization can be boosted by Hartmann-Hahn cross polarization at temperatures near 1.2 K. This enables high throughput of hyperpolarized solutions with substantial gains in buildup times and polarization levels. During dissolution and transport, the C-13 nuclear spin polarization P(C-13) merely decreases from 45 to 40%.
引用
收藏
页码:111 / 114
页数:4
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