Abstract
The purpose of this study was to determine a method to purify recombinant hagfish intermediate filament proteins, alpha and gamma, in a scalable manner. The study succeeded by having an increase in protein recovery of up to 35% when comparing centrifuge purification and the developed tangential flow purification. The proteins were approximately the same purity of 70% pure but further purification increased the purity of the proteins by 16%, based on ImageJ analysis. The developed tangential flow filtration purification and final purification methods could be easily scaled up to meet industry scale purification needs. The scaled-up processes described in this study did not interfere with fiber production or formation, indicating the methods can produce usable proteins for material development.
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