%0 Journal Article %T Isopycnic Separation of Cells and Cell Organelles by Centrifugation in Modified Colloidal Silica Gradients %A Pertoft, HÃ¥kan %A Laurent, Torvard C. %A , %J Methods of Cell Separation %P 25-65 %D 1977-01-01 %I Springer US %~ DeepDyve