采用蔗糖密度梯度离心法分离肝脏内质网。
Hepatic endoplasmic reticulum was isolated by differential centrifugation with sucrose density gradient.
用改进的不连续蔗糖密度梯度离心法分离到五条带。
Five zones were separated by improved discontinuous sucrose gradient centrifugation.
将腮腺炎病毒S79株培养液用中空纤维超滤器进行浓缩,经PEG沉淀后,采用蔗糖密度梯度离心法纯化抗原;
The tissue culture of mumps virus S79 strain was purified by ultrafiltration on hollow fiber, PEG precipitation and density gradient ultracentrifugation.
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