WATER DIFFUSION-COEFFICIENT MEASUREMENTS IN THE FINGER BY MAGNETIC-RESONANCE-IMAGING

被引：1
|
作者：
DAMION, RA
VENNART, W
SUMMERS, IR
ELLIS, RE
机构：
[1] Department of Physics, University of Exeter, Exeter, Devon EX4 4QL, Stocker Rd
来源：
MAGNETIC RESONANCE IMAGING | 1994年 / 12卷 / 06期
关键词：
MAGNETIC RESONANCE IMAGING; CELLULAR WATER; DIFFUSION COEFFICIENT; FINGER; AGING; DIRECT HYDRATION; OBSTRUCTION EFFECT; COMPARTMENTALIZATION; GLYCOSYLATION;
D O I：
10.1016/0730-725X(94)92028-1
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
Diffusion coefficients of water have been measured in the fingers of humans by magnetic resonance imaging. It was found that the measured diffusion coefficients increased with subject age in certain regions of the finger but that these regions differed between males and females. The observation of an increased diffusion coefficient with age appears to be inconsistent with a direct-hydration model and possible explanations are given using other models. It is conjectured that the measured diffusion coefficient of water increases with age as a result of structural changes to proteins.
引用
收藏
页码：873 / 879
页数：7
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