NMR and MRI of Blood-Dissolved Hyperpolarized Xe-129 in Different Hollow-Fiber Membranes

被引：10

作者：

Amor, Nadia ^{[1
]}

Hamilton, Kathrin ^{[2
]}

Kueppers, Markus ^{[1
]}

Steinseifer, Ulrich ^{[2
]}

Appelt, Stephan ^{[3
]}

Bluemich, Bernhard ^{[1
]}

Schmitz-Rode, Thomas ^{[2
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Tech & Macromol Chem, D-52074 Aachen, Germany

[2] RWTH Aachen Univ & Hosp, Inst Appl Med Engn, D-52074 Aachen, Germany

[3] Res Ctr Julich, D-52428 Julich, Germany

来源：

CHEMPHYSCHEM | 2011年 / 12卷 / 16期

关键词：

magnetic resonance imaging; membranes; microporous materials; NMR spectroscopy; xenon; LASER-POLARIZED XE-129; SPIN-EXCHANGE; XENON; VOLUME; HE-3;

D O I：

10.1002/cphc.201100446

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：

Magnetic resonance of hyperpolarized 129Xe has found a wide field of applications in the analysis of biologically relevant fluids. Recently, it has been shown that the dissolution of hyperpolarized gas into the fluid via hollow-fiber membranes leads to bubble-free 129Xe augmentation, and thus to an enhanced signal. In addition, hollow-fiber membranes permit a continuous operation mode. Herein, a quantitative magnetic resonance imaging and spectroscopy analysis of a customized hollow-fiber membrane module is presented. Different commercial hollow-fiber membrane types are compared with regard to their 129Xe dissolution efficiency into porcine blood, its constituents, and other fluids. The presented study gives new insight into the suitability of these hollow-fiber membrane types for hyperpolarized gas dissolution setups.

引用

页码：2941 / 2947

页数：7

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