title: Ruthenium red and lanthanum nitrate a possible tracer and negative stain for scrapie "particles"?
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism / Q000382:microbiology / Q000648:ultrastructure*; D002540:Cerebral Cortex / Q000648:ultrastructure; D006651:Histocytochemistry; D002479:Inclusion Bodies / Q000378:metabolism / Q000648:ultrastructure*; D051379:Mice; D008854:Microscopy, Electron; D011134:Polysaccharides / Q000378:metabolism; D011328:Prions; D012608:Scrapie / Q000378:metabolism / Q000382:microbiology / Q000648:ultrastructure*; D012756:Sheep; D013194:Staining and Labeling; D013788:Thalamus / Q000648:ultrastructure
chemical_list: D011134:Polysaccharides; D011328:Prions