Fig. 7.

a Dynamic light scattering characterization (Brookhaven BI-200SM) of a sample containing equal weight fractions of 100 and 980 nm PS bead size standards, successfully resolving particle species with a different size by a factor of 10-fold. b DLS characterization of 100 nm PS bead size standard in a 100-mg/mL protein solution using. Diffusion of the larger species was influenced by the greater bulk viscosity of the high concentration MAb-B solution, producing a 3-fold larger-than-expected diameter for the PS beads. PS polystyrene