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    Capillary Electrophoresis for the Analysis of Chondroitin Sulfate and Dermatan Sulfate-Derived Disaccharides

    Author
    Al-Hakim, A.; Linhardt, Robert J.
    ORCID
    https://orcid.org/0000-0003-2219-5833
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    Date Issued
    1991-05-15
    Subject
    Biology; Chemistry and chemical biology; Chemical and biological engineering; Biomedical engineering
    Degree
    Terms of Use
    In Copyright : this Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). https://rightsstatements.org/page/InC/1.0/;
    Full Citation
    Capillary Electrophoresis for the Analysis of Chondroitin Sulfate and Dermatan Sulfate-Derived Disaccharides, A. Al-Hakim, R.J. Linhardt, Analytical Biochemistry, 195, 68-73 (1991).
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    URI
    https://doi.org/10.1016/0003-2697(91)90296-6; https://hdl.handle.net/20.500.13015/5997
    Abstract
    High-voltage capillary zone electrophoresis (CZE) has been used for the first time in the analysis of non-, mono-, di-, and trisulfated disaccharides derived from chondroitin sulfate, dermatan sulfate, and hyaluronic acid. These glycosaminoglycans are first depolymerized using polysaccharide lyases. The resulting unsaturated disaccharide products can be detected by their ultraviolet absorbance at 232 nm. Different retention times were obtained for each unsaturated disaccharide analyzed by CZE. The application of a constant voltage across a 70-cm fused silica capillary using a single, simple buffer system resolved an eight-component mixture within 40 min. Quantitation of disaccharides derived from chondroitin sulfate using chondroitin ABC lyase (EC 4.2.2.4) and mixtures of unsaturated disaccharide standards was possible requiring only picogram quantities of sample. The disaccharides examined had a net charge of from -1 to -4 and were resolved primarily on the basis of net charge and secondarily on the basis of charge distribution. Two unsulfated disaccharides both containing the same unsaturated uronic acid residue were analyzed. One was from chondroitin having an N-acetylgalactosyl residue and one from hyaluronate having an N-acetylglycosyl residue. Despite the fact that they differed only by the chirality at one center, these disaccharides were resolved by CZE. CZE is a fast and simple method that represents a powerful new tool for analysis and separation of acidic disaccharide components of glycosaminoglycans.;
    Description
    Analytical Biochemistry, 195, 68-73; Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
    Department
    The Linhardt Research Labs.; The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS);
    Relationships
    The Linhardt Research Labs Online Collection; Rensselaer Polytechnic Institute, Troy, NY; Analytical Biochemistry; https://harc.rpi.edu/;
    Access
    https://login.libproxy.rpi.edu/login?url=https://doi.org/10.1016/0003-2697(91)90296-6;
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