title: Thin centerpieces for ultracentrifugation of concentrated solutions.
mesh_terms: D006454:Hemoglobins; D008970:Molecular Weight; D010969:Plastics; D011145:Polyvinyls; D011506:Proteins; D014461:Ultracentrifugation / Q000295:instrumentation*
chemical_list: D006454:Hemoglobins; D010969:Plastics; D011145:Polyvinyls; D011506:Proteins