title: The use of haemocyanin to determine the molecular weight of Nudaurelia cytherea capensis beta virus by direct particle counting.
mesh_terms: D011232:Chemical Precipitation; D005782:Gels; D006433:Hemocyanins; D007304:Insect Viruses; D007313:Insecta; D008433:Mathematics; D008722:Methods; D008854:Microscopy, Electron; D008970:Molecular Weight; D008974:Mollusca; D010772:Phosphotungstic Acid; D013194:Staining and Labeling; D014027:Tobacco Mosaic Virus; D014461:Ultracentrifugation; D014783:Viscosity
chemical_list: D005782:Gels; D010772:Phosphotungstic Acid; D006433:Hemocyanins