Optimization of L-phenylalanine-ammonia-lyase liophilization

   


1. Kemerovo Technology Institute of Food Industry
Type: Experimental/clinical study
DOI: 10.18097/pbmc20135906682      UDK: 577.112.387.2      PubMed Id: 24511680
Year: 2013 vol: 59  issue:6  pages: 682-692
Abstract: The influence of freezing-thawing on the activity of recombinant L-phenylalanine-ammonia-lyase has been investigated. Conditions of liophilization of recombinant L-phenylalanine-ammonia-lyase at which enzyme loses about 10% of activity in a single freeze-thaw cycle are chosen. Dependence of cryoscopic temperature of enzyme from concentration of protein in a preparation is studied. The optimum temperature of freezing of enzymatic preparation L-phenylalanine-ammonia-lyase for sublimatic drying is chosen.
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Reference: Babich O.O., Prosekov A.Y., Optimization of L-phenylalanine-ammonia-lyase liophilization, Biomeditsinskaya khimiya, 2013, vol: 59(6), 682-692.
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