title: Effect of different gradient solutions on the buoyant density of scrapie infectivity.
mesh_terms: D000818:Animals; D001921:Brain / Q000382:microbiology*; D002499:Centrifugation, Density Gradient; D002586:Cesium; D008793:Metrizamide; D051379:Mice; D011328:Prions / Q000302:isolation & purification*; D012608:Scrapie / Q000382:microbiology*; D012756:Sheep; D013056:Spectrophotometry, Ultraviolet; D013395:Sucrose
chemical_list: D011328:Prions; D002586:Cesium; D013395:Sucrose; D008793:Metrizamide