Journal
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS
Volume 164, Issue -, Pages 345-352Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpba.2018.10.052
Keywords
Heparin; Chemometrics; Classification; Animal origin; Mass spectrometry; H-1 NMR spectroscopy
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Funding
- National Institutes of Health [HL125371, GM38060, GM090127, HL096972, HL10172]
- National Natural Science Foundation of China [81473179, 81673388]
- China Scholarship Council
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Heparin is a polysaccharide anticoagulant drug isolated from animal tissues, There have been concerns on the safety and security of the heparin supply chain since 2007-8 when a contamination crisis led to its disruption. The current study applies a suite of modern analytical techniques to porcine, bovine and ovine intestinal mucosal heparins. These techniques include structural analysis by nuclear magnetic resonance spectrometry, disaccharide compositional analysis, bottom-up analysis of tetrasaccharides corresponding to heparin's antithrombin III binding site. Chemometric analysis was then applied to understand how these structural differences to predict the animal/tissue source of heparin and to help detect blending of heparins from various sources. (C) 2018 Elsevier B.V. All rights reserved.
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