The calculators are a series of tools in the Zetasizer software that enable the user to calculate a number of extra parameters such as protein charge and the DLS interaction parameter, kD. The calculators are designed primarily for proteins. Additional functionality include a Mie scattering prediction tool, and an estimator of overall scattering intensity, as well as the determination of particle-particle distance for any sample concentration and a tool to estimate oblate/prolate ratios from the Perrin shape factor.


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