IMMOBILIZATION OF CHYMOTRYPSIN ON MAGNETIC FE O NANOPARTICLES
2013
Dyshlyuk L.S. | Novoselova M.V. | Rozalenok T.A.
Modern methods of chemical modification of enzymes conferring increased catalytic activity and stability to these molecules have been considered. The advantages of using magnetic nanoparticles for the production of stable immobilized enzyme preparations are presented. Chymotrypsin immobilization on Fe O nanoparticles modified with amino groups has been found to result in the incorporation of 88% of the enzyme into the solid phase. The change of the optimal pH and temperature ranges and an increase of stability of the immobilized chymotrypsin relatively to the respective characteristics of the native enzyme have been demonstrated.
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