title: The concentration of macromolecules by electrophoresis-sedimentation.
mesh_terms: D004586:Electrophoresis / Q000295:instrumentation / Q000379:methods; D006801:Humans; D008074:Lipoproteins / Q000097:blood; D011506:Proteins / Q000302:isolation & purification*; D012313:RNA / Q000302:isolation & purification*
chemical_list: D008074:Lipoproteins; D011506:Proteins; D012313:RNA