title: Preparative method for suspended biological materials for SEM by using of polycationic substance layer.
mesh_terms: D000818:Animals; D003090:Coliphages / Q000648:ultrastructure; D004912:Erythrocytes / Q000648:ultrastructure; D004926:Escherichia coli / Q000648:ultrastructure; D005898:Glass; D006652:Histological Techniques; D006801:Humans; D009052:Leukemia Virus, Murine / Q000648:ultrastructure; D007942:Leukemia, Experimental / Q000648:ultrastructure; D051379:Mice; D008855:Microscopy, Electron, Scanning; D010455:Peptides; D011107:Polylysine; D013211:Staphylococcus aureus / Q000648:ultrastructure
chemical_list: D010455:Peptides; D011107:Polylysine