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Coupling of glycosaminoglycans to agarose beads (sepharose 4B).


ABSTRACT: 1. Heparin, heparan sulphate, chondroitin sulphate and dermatan sulphate were covalently attached to beads of agarose activated by cyanogen bromide. The bond is probably mediated by the amino group of a serine or peptide residue at the reducing end of the polysaccharide chain. 2. The uptake of glycosaminoglycan during the coupling procedure is about 0.9mg/ml of wet gel. However, direct analysis of washed and freeze-dried gels reveals that only about one-third of this amount is firmly attached to the gel. 3. The use of the gels for polysaccharidase analyses is exemplified by a hyaluronidase assay. Further applications, e.g. interaction studies and preparative purposes, are discussed.

SUBMITTER: Iverius PH 

PROVIDER: S-EPMC1177244 | biostudies-other | 1971 Oct

REPOSITORIES: biostudies-other

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