Boosting Dissolution Dynamic Nuclear Polarization by Cross Polarization

被引：111

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

页码：111 / 114

页数：4

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