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  • Title: Assay of synovial fluid hyaluronic acid using high-performance liquid chromatography of hyaluronidase digests.
    Author: Payan E, Jouzeau JY, Lapicque F, Muller N, Payan JP, Gegout P, Bertin P, Netter P.
    Journal: J Chromatogr; 1991 May 03; 566(1):9-18. PubMed ID: 1885725.
    Abstract:
    A high-performance liquid chromatographic method for the determination of hyaluronic acid levels in synovial fluids has been developed. The hyaluronidase sample digests, containing an internal standard (benzoic acid), were separated on a reversed-phase octadecylsilyl column eluted with 0.01 M tetrabutylammonium phosphate-acetonitrile (83:17, v/v) at pH 7.35. The determination was made on 1:10 diluted samples, by using a calibration curve from 50 to 500 micrograms/ml of human umbilical cord hyaluronic acid. For validation, the synovial fluids were simultaneously analysed by this method and a radiometric method: a high correlation was found between the two (correlation coefficient 0.94). The proposed method can be used to determine specifically the high hyaluronic acid levels of synovial fluids without interferences from other glycosaminoglycans or non-steroidal anti-inflammatory drug treatment.
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