منابع مشابه
Kinetics of Formic Acid-catalyzed Cellulose Hydrolysis
Hydrolysis is a reaction to produce sugars from lignocellulosic raw materials for biochemical production. The present study elucidates the hydrolysis of cellulose and formation of glucose decomposition products catalyzed by 5% to 20% (w/w) formic acid at 180 to 220 °C with an initial cellulose concentration of 10 to 100 g/L. Microcrystalline cellulose was used as a model compound. The experimen...
متن کاملThe kinetics of cellulose enzymatic hydrolysis
Väljamäe, P. 2002. The kinetics of cellulose enzymatic hydrolysis: implications of the synergism between enzymes. Acta Universitatis Upsaliensis. Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology 781. 54 pp. Uppsala. ISBN 91-554-5479-8. The hydrolysis kinetics of bacterial cellulose and its derivatives by Trichoderma reesei cellulases was studied. The c...
متن کاملEnzymatic kinetics of cellulose hydrolysis: a QCM-D study.
The interactions between films of cellulose and cellulase enzymes were monitored using a quartz crystal microbalance (QCM). Real-time measurements of the coupled contributions of enzyme binding and hydrolytic reactions were fitted to a kinetic model that described closely significant cellulase activities. The proposed model combines simple Boltzmann sigmoidal and 1 - exp expressions. The obtain...
متن کاملEnzyme-microbe synergy during cellulose hydrolysis by Clostridium thermocellum.
Specific cellulose hydrolysis rates (g of cellulose/g of cellulase per h) were shown to be substantially higher (2.7- to 4.7-fold) for growing cultures of Clostridium thermocellum as compared with purified cellulase preparations from this organism in controlled experiments involving both batch and continuous cultures. This "enzyme-microbe synergy" requires the presence of metabolically active c...
متن کاملSubstrate and Enzyme Characteristics that Limit Cellulose Hydrolysis.
The ability and, consequently, the limitations of various microbial enzyme systems to completely hydrolyze the structural polysaccharides of plant cell walls has been the focus of an enormous amount of research over the years. As more and more of these extracellular enzymatic systems are being identified and characterized, clear similarities and differences are being elucidated. Although much h...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1989
ISSN: 0264-6021,1470-8728
DOI: 10.1042/bj2621001a