Automated Lab Scale Production of PVA/PEG-Enzyme Immobilisates
Résumé
Entrapment of biocatalysts by cryogelation is a gentle method to extend the scope of biocatalysis. To foster the use of this versatile method we devised an automated injector for the production of polyvinyl alcohol (PVA)/polyethylene glycol (PEG) beads. The device consists of a thermostated reservoir connected to a programmable injector nozzle and an agitated receiving bath for the droplets. This lab scale production unit yields up to 1500 beads with immobilised enzyme per minute with a narrow size distribution and good roundness.
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