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Preparation of gels from hyaluronate solutions

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Abstract

Stable, transparent gels can be prepared from hyaluronate solutions by adding CuSO4. The best gelation was found using solutions of 2 mg/ml hyaluronate in glass-distilled water at a pH of 6.2 after the addition of 1 mg/ml CuSO4. Methylation of the carboxyl groups of the hyaluronate completely abolished the gelation, indicating the importance of the carboxyl groups for the gel formation with Cu2+ ions. Gelation also depends on the molecular size of the hyaluronate, since hyaluronate was not able to form a gel after depolymerization with hyaluronidase.

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Authors and Affiliations

  1. Universitäts-Augenklinik Graz, Auenbruggerplatz 4, A-8036, Graz, Austria

    O. Schmut & H. Hofmann

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  1. O. Schmut
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  2. H. Hofmann
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Schmut, O., Hofmann, H. Preparation of gels from hyaluronate solutions. Graefe's Arch Clin Exp Ophthalmol 218, 311–314 (1982). https://doi.org/10.1007/BF02150446

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  • DOI: https://doi.org/10.1007/BF02150446

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