velocity centrifugation

Recombinant adenoviruses were generated by packaging of HEK293 and purified by velocity density gradient centrifugation in caesium chloride solutions .

腺病毒载体经HEK293细胞包装产生含反义片段的重组腺病毒，用氯化铯密度梯度离心法获得纯化的高滴度腺病毒；

Velocity and isopyknic gradient centrifugation was employed to fractionate rat myocardial nuclei .

大鼠心肌细胞核采用差速离心和密度梯度离心分离提纯。