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  • Title: Separating lysozyme from bacteriophage P22 in two-phase aqueous micellar systems.
    Author: Kamei DT, King JA, Wang DI, Blankschtein D.
    Journal: Biotechnol Bioeng; 2002 Oct 20; 80(2):233-6. PubMed ID: 12209780.
    Abstract:
    This communication demonstrates that two-phase aqueous mixed (nonionic/ionic) micellar systems have the potential for improving the separation of proteins from viruses. Specifically, two separation experiments were performed to show that the addition of the anionic surfactant sodium dodecyl sulfate (SDS) to the two-phase aqueous nonionic n-decyl tetra(ethylene oxide) (C(10)E(4)) micellar system increases the yield of a model net positively charged protein, lysozyme, in the micelle-rich phase from 75 to 95%, while still maintaining approximately the same yield of a model net negatively charged virus, bacteriophage P22, in the micelle-poor phase (97% vs. 98%).
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