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1) The diffusion coefficient of the protein BSA in water at 25°C is 6.7 10-11 m2s-1. Calculate the hydrodynamic volume of this protein assuming it can be regarded as a sphere
Vh =
2) The molecular weight of BSA is 66,430 g/mol, and its partial specific volume (the inverse of the density) is 0.734 cm3/g. What is the volume of one “dry” molecule of BSA? (i.e. the unhydrated protein)
V =