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dc.contributor.authorEdens, R.E.
dc.contributor.authorAl-Hakim, A.
dc.contributor.authorWeiler, J.M.
dc.contributor.authorRethwisch, D.G.
dc.contributor.authorFareed, J.
dc.contributor.authorLinhardt, Robert J.
dc.identifier.citationGradient Polyacrylamide Gel Electrophoresis for Determination of the Molecular Weight of Heparin and Low Molecular Weight Heparin Derivatives, R.E. Edens, A. Al-Hakim, J.M. Weiler, D.G. Rethwisch, J. Fareed, R.J. Linhardt, Journal of Pharmaceutical Sciences, 81, 823-827 (1992).
dc.descriptionJournal of Pharmaceutical Sciences, 81, 823-827
dc.descriptionNote : 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.
dc.description.abstractThe M(r) values of pharmaceutical heparins and low-molecular-weight (LMW) heparin derivatives were examined as part of a collaborative study to develop methods for their characterization. Standard methods of M(r) determination rely on gel permeation high-performance liquid chromatography (HPLC). We report the use of gradient polyacrylamide gel electrophoresis (PAGE) to determine the M(r) values of pharmaceutical heparins and LMW heparin derivatives. This approach offers certain advantages over the HPLC method. Gradient PAGE analysis was performed in parallel, on multiple samples, with the same standard curve. HPLC was performed serially. Gradient PAGE gave higher resolution than HPLC, and thus, a mixture of easily obtained standards was used in place of individual standards for the construction of a standard curve. Heparin and various LMW heparin samples were analyzed by both gradient PAGE and conventional gel permeation HPLC methods. The number-average M(r), weight-average M(r), and polydispersity were examined by both techniques and found to be similar. This study demonstrates that gradient PAGE analysis is a sensitive method for the determination of the M(r) values of heparin and LMW heparin.
dc.description.sponsorshipNational Heart, Lung, and Blood Institute
dc.relation.ispartofThe Linhardt Research Labs Online Collection
dc.relation.ispartofRensselaer Polytechnic Institute, Troy, NY
dc.relation.ispartofJournal of Pharmaceutical Sciences
dc.subjectChemistry and chemical biology
dc.subjectChemical and biological engineering
dc.subjectBiomedical engineering
dc.titleGradient Polyacrylamide Gel Electrophoresis for Determination of the Molecular Weight of Heparin and Low Molecular Weight Heparin Derivatives
dc.rights.holderIn 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).
dc.relation.departmentThe Linhardt Research Labs.
dc.relation.departmentThe Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS)

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