The reproducibility of complex electrophoretic pattern measurements

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Abstract

The reproducibility of quantitative electrophoretic measurements by two optical methods has been compared. The coefficients of variation for measurements with interferometric optics were significantly smaller than they were for the standard schlieren optics. The greater sensitivity of the interferometric system and the direct measurement of refractive indices rather than integration of gradients permit reliable measurements on low concentrations of serum. The three samples of serum studied were found to remain stable over a three month period.

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