Generating para-water from para-hydrogen: A Gedankenexperiment

被引：1
|
作者：
Ivanov, Konstantin L. [1 ,2 ]
Bodenhausen, Geoffrey [3 ]
机构：
[1] Int Tomog Ctr SB RAS, Inst Skaya 3a, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Pirogova 2, Novosibirsk 630090, Russia
[3] PSL Univ, Sorbonne Univ, Ecole Normale Super, Lab Biomol LBM,Dept Chim,CNRS, F-75005 Paris, France
来源：
JOURNAL OF MAGNETIC RESONANCE | 2018年 / 292卷
关键词：
Hyperpolarization; Para-hydrogen; Para-water; PARAHYDROGEN INDUCED POLARIZATION; CS-SYMMETRIC MOLECULES; LEVEL ANTI-CROSSINGS; HIGH MAGNETIC-FIELDS; SIGNAL AMPLIFICATION; REVERSIBLE EXCHANGE; SPIN STATES; NMR; HYPERPOLARIZATION; SABRE;
D O I：
10.1016/j.jmr.2018.05.003
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A novel conceptual approach is described that is based on the transfer of hyperpolarization from parahydrogen in view of generating a population imbalance between the two spin isomers of H2O. The approach is analogous to SABRE (Signal Amplification By Reversible Exchange) and makes use of the transfer of spin order from para-hydrogen to H2O in a hypothetical organometallic complex. The spin order transfer is expected to be most efficient at avoided level crossings. The highest achievable enrichment levels of para- and ortho-water are discussed. (C) 2018 Elsevier Inc. All rights reserved.
引用
收藏
页码：48 / 52
页数：5
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