Low-field He-3 nuclear magnetic resonance in human lungs

被引：44
|
作者：
Darrasse, L [1 ]
Guillot, G [1 ]
Nacher, PJ [1 ]
Tastevin, G [1 ]
机构：
[1] LAB KASTLER BROSSEL,CNRS,URA 18,F-75231 PARIS,FRANCE
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE B-MECANIQUE PHYSIQUE CHIMIE ASTRONOMIE | 1997年 / 324卷 / 11期
关键词：
D O I：
10.1016/S1251-8069(97)83175-2
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We report the first in vivo NMR experiments performed with hyperpolarised He-3 gas at 0.1 T. Hyperpolarisation is achieved by laser optical pumping of He-3 atoms in the metastable triplet state. Longitudinal relaxation times of nuclear magnetisation of the order of 35 s are measured in human lungs. Very long transverse relaxation times of a few seconds are also observed. This work establishes the possibility of magnetic resonance imaging of human lung airways at low field.
引用
收藏
页码：691 / 700
页数：10
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