Analysis of Chondroitin/Dermatan Sulphate Disaccharides Using High-Performance Liquid Chromatography
ČlánekOtevřený přístuppeer-reviewedpublished versionDatum publikování
2020
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MDPI
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Chondroitin sulphates belong to a group of naturally occurring glycosaminoglycans and play a role in many physiological processes including ageing and the effects of various diseases. Research into chondroitin sulphates has found that the most important analytes are 4- and 6-sulphated disaccharides. We developed an HPLC method for the separation and quantification of underivatized chondroitin/dermatan sulphates-unsaturated disaccharides (4- and 6-sulphated disaccharides). This method is based on the separation of disaccharides by amido as well as amino columns under acidic conditions. These columns enabled the successful separation of 4- and 6-sulphated disaccharides using 50 (amido column) and 25 mmol/L (amino column) phosphate buffer, pH 4.25 (detection at 230 nm), at retention times of less than 10 min. The limit of quantification was 0.5 mu g/mL. The applicability of this method was demonstrated through analysis of unsaturated disaccharides produced from the enzymatic digestion of chondroitin/dermatan sulphates of the solubilized extracellular matrix produced from porcine urinary bladder and human umbilical cord.
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p. 49
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2297-8739
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Separations, volume 7, issue: 3
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https://www.mdpi.com/2297-8739/7/3/49
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open access (CC BY 4.0)
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chondroitin, disaccharides, dermatan sulphates, chondroitin, disacharidy, dermatan sulfáty
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Except where otherwised noted, this item's license is described as open access (CC BY 4.0)