Permeation kinetics of dimethyl sulfoxide in articular cartilage

被引:0
|
作者
Muldrew, K
Sykes, B
Schachar, N
McGann, LE
机构
[1] UNIV ALBERTA,DEPT BIOCHEM,EDMONTON,AB T6G 2R7,CANADA
[2] UNIV CALGARY,DEPT SURG,CALGARY,AB,CANADA
关键词
cryoprotectant diffusion; tissue cryopreservation; proton NMR; articular cartilage;
D O I
暂无
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
H-1-NMR was used to monitor concentration of dimethyl sulfoxide in articular cartilage on patellae from pigs as a function of time and temperature. The resulting diffusion coefficient was 1.12x10(-5).cm(2)/sec at 23 degrees C with an Arrhenius activation energy of 0.95 kcal/mol. Concentration profiles in cartilage of various thicknesses were calculated as a practical aid for the design of protocols to cryopreserve articular cartilage.
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页码:331 / 340
页数:10
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