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The structure of the ectodomain of the hepatitis C envelope glycoprotein E1 (E1s) was characterised by spectroscopic methods. Monomeric E1s was purified from a mammalian and from a Hansenula polymorpha cell lysate, and cysteine-blocked monomers were reconstituted into stable particles. Particles from yeast E1s and mammalian E1s showed a comparable reactivity in ELISA with sera from human chronic HCV...
The practical feasibility and generic applicability of the direct integration of cell disruption by bead milling with the capture of intracellular products by fluidised bed adsorption has been demonstrated. Pilot-scale purification of the enzyme L-asparaginase from unclarified Erwinia chrysanthemi disruptates exploiting this novel approach yielded an interim product which rivalled or bettered that...
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