Advances in enzyme immobilisation
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- Brady, D. & Jordaan, J. Biotechnol Lett (2009) 31: 1639. doi:10.1007/s10529-009-0076-4
Improvements in current strategies for carrier-based immobilisation have been developed using hetero-functionalised supports that enhance the binding efficacy and stability through multipoint attachment. New commercial resins (Sepabeads) exhibit improved protein binding capacity. Novel methods of enzyme self-immobilisation have been developed (CLEC, CLEA, Spherezyme), as well as carrier materials (Dendrispheres), encapsulation (PEI Microspheres), and entrapment. Apart from retention, recovery and stabilisation, other advantages to enzyme immobilisation have emerged, such as enhanced enzyme activity, modification of substrate selectivity and enantioselectivity, and multi-enzyme reactions. These advances promise to enhance the roles of immobilisation enzymes in industry, while opening the door for novel applications.