title: [Estimation of the diffusion coefficient and molecular weight of proteins by ultracentrifugation].
mesh_terms: D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D004058:Diffusion; D008433:Mathematics; D008722:Methods; D008970:Molecular Weight; D011506:Proteins / Q000032:analysis*; D014461:Ultracentrifugation
chemical_list: D011506:Proteins