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[International Journal of Biological Macromolecules] Recent Advances in Enzyme Extraction Strategies


The increasing interest of industrial enzymes demands for development of new downstream strategies for maximizing enzyme recovery. The significant efforts have been focused on the development of newly adapted technologies to purify enzymes in catalytically active form. Recently, an aqueous two phase system (ATPS) is emerged as powerful tools for efficient extraction and purification of enzymes due to their versatility, lower cost, process integration capability and easy scale-up. The present review gives an overview of effect of parameters such as tie line length, pH, neutral salts, properties of polymer and salt involved in traditional polymer/polymer and polymer/salt ATPS for enzyme recovery. Further, advanced ATPS have been developed based on alcohols, surfactants, micellar compounds to avoid tedious recovery steps for getting desired enzyme. In order to improve the selectivity and efficiency of ATPS, recent approaches of conventional ATPS combined with different techniques like affinity ligands, ionic liquids thermoseparating polymers and microfluidic device based ATPS have been reviewed. Moreover, three phase partitioning is also highlighted for enzymes enrichment as a blooming technology for efficiently integrated bioseparation techniques. At the end, it includes an overview of CLEAs technology and organic-inorganic nanoflowers preparation as novel strategies for simultaneous extraction, purification and immobilization of enzymes.

Shamraja S. Nadar, Rohini G. Pawar, Virendra K. Rathod, Department of Chemical Engineering, Institute of Chemical Technology, Matunga (E), Mumbai 400019, India Received 6 December 2016, Revised 7 March 2017, Accepted 10 March 2017, Available online 14 March 2017 http://dx.doi.org/10.1016/j.ijbiomac.2017.03.055

Link: http://www.sciencedirect.com/science/article/pii/S0141813016327878

#03182017 #enzyme #ATPS #review #Biologicalapplication

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