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Separation and Quantification of Cellulases and Hemicellulases by Capillary Electrophoresis by Henning Jørgensen; Jörg P. Kutter; Lisbeth Olsson is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Separation and Quantification of Cellulases and Hemicellulases by Capillary Electrophoresis about?

Cellulases and hemicellulases are two classes of enzymes produced by filamentous fungi and secreted into the cultivation medium. Both classes of enzymes consist of a subset of classes of which the fungi produce several enzymes with varying molecular mass and pI but similar enzymatic activities. Current methods are limited in their ability to quantify all of these enzymes when all are present simultaneously in a mixture. Five different cellulases (two cellobiohydrolases and three endoglucanases) and one hemicellulase (endoxylanase) were separated using capillary electrophoresis (CE) in a fused silica capillary at pH values close to neutral. The improvement of the separation of these six proteins by the addition of alpha,omega-diaminoalkanes with chain lengths from three to seven carbon units was investigated. Dynamically coating the capillary with 1,3-diaminopropane resulted in separation of the six enzymes and the reproducibility of the migration times was between 0.6 and 1.9%. Two cases-quantitative determination of the enzyme concentrations in cultivation samples and investigation of adsorption of the enzymes onto cellulose-demonstrated the advantages and perspectives of CE analy

Who reads Separation and Quantification of Cellulases and Hemicellulases by Capillary Electrophoresis?

Author

Henning Jørgensen; Jörg P. Kutter; Lisbeth Olsson

Publisher

Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 0003-2697)

Published

2003

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)