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Intensity distributions from DLS experiments of Norovirus VLPs in PBS at pH 7.4 containing 0.01%, 0.05%, 0.1%, and 0.5% of anionic surfactant, SDS. The plots are representative data sets from 3 repeated measurements for each of 3 different samples at each concentration. Norovirus VLPs remain dispersed in the presence of low concentrations of SDS, while they first partially aggregate and then disassemble in the presence of high SDS concentrations.
