title: The purification of lysosomes from HeLa cells by centrifugation in colloidal silica density gradients.
mesh_terms: D002458:Cell Fractionation; D002478:Cells, Cultured; D002499:Centrifugation, Density Gradient; D006367:HeLa Cells / Q000032:analysis* / Q000166:cytology; D008247:Lysosomes / Q000032:analysis* / Q000201:enzymology; D008854:Microscopy, Electron; D008928:Mitochondria / Q000032:analysis / Q000201:enzymology; D012822:Silicon Dioxide
chemical_list: D012822:Silicon Dioxide