title: The separation of cells and subcellular particles by colloidal silica density gradient centrifugation.
mesh_terms: D002458:Cell Fractionation / Q000379:methods*; D002469:Cell Separation / Q000379:methods*; D002499:Centrifugation, Density Gradient; D003102:Colloids; D006564:Herpesviridae / Q000302:isolation & purification; D012822:Silicon Dioxide; D013347:Subcellular Fractions / Q000032:analysis
chemical_list: D003102:Colloids; D012822:Silicon Dioxide