title: Isolation of nucleoli from rat liver in the presence of magnesium ions.
mesh_terms: D000818:Animals; D002458:Cell Fractionation; D002466:Cell Nucleolus / Q000032:analysis; D002712:Chlorides; D004247:DNA / Q000032:analysis; D004589:Electrophoresis, Disc; D008099:Liver / Q000166:cytology*; D008274:Magnesium; D008722:Methods; D008854:Microscopy, Electron; D009698:Nucleoproteins / Q000032:analysis / Q000302:isolation & purification; D012313:RNA / Q000032:analysis / Q000096:biosynthesis; D051381:Rats; D013194:Staining and Labeling; D014465:Ultrasonics; D014732:Vibration
chemical_list: D002712:Chlorides; D009698:Nucleoproteins; D012313:RNA; D004247:DNA; D008274:Magnesium