Conclusion: High purity of MSC can be obtained by density gradient centrifugation.

结论: 密度梯度离心法分离获得的人胚胎骨髓间充质干细胞纯度高.

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Final purification of the virus by density gradient centrifugation procedures.

通过密度梯度离心最终纯化病毒.

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Purification: Density Gradient Centrifugation ( Sucrose & CsCl ).

分离: 密度梯度离心法 ( 蔗糖 & 氯化铯 ).

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Conclusions The number of cells density gradient centrifugation method than with whole marrow method.

结论梯度离心法较全骨髓法收获细胞数量大.

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Methods: Using different techniques of collagenase digestion and discontinued density gradient centrifugation adultrat islets were prepared.

方法采用不同的胶原酶消化法及不连续密度梯度纯化法.

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Methods Rat gastric parietal cells were isolated by pronase digestion and purified by discontinuous density - gradient centrifugation.

方法采用链霉蛋白酶消化、间断密度梯度离心纯化大鼠胃黏膜壁细胞.

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