title: Stability of polycation-induced cell competence for infection by viral RNA.
mesh_terms: D000362:Agar; D003911:Dextrans / Q000494:pharmacology*; D004121:Dimethyl Sulfoxide / Q000494:pharmacology*; D005021:Ethylamines; D006367:HeLa Cells / Q000187:drug effects; D008745:Methylation; D009952:Ornithine / Q000494:pharmacology; D017955:Poliovirus / Q000472:pathogenicity; D012367:RNA, Viral / Q000494:pharmacology*; D012710:Serum Albumin, Bovine / Q000494:pharmacology; D013696:Temperature
chemical_list: D003911:Dextrans; D005021:Ethylamines; D012367:RNA, Viral; D012710:Serum Albumin, Bovine; D000362:Agar; D009952:Ornithine; D004121:Dimethyl Sulfoxide