Abstract
An adsorbent gel, Butyl Toyopearl 650-M, is known to adsorb proteins in a given medium with mild hydrophobic interaction. Usability of the adsorbent gel for on-line deproteinization of HPLC analysis was investigated. The samples spiked in serum were some drugs which covered a wide range of hydrophilicity and hydrophobicity. Two methods were employed; one is for hydrophilic compounds by adsorption of protein, and the other for hydrophobic compounds by direct adsorption of analytes on the gel. Both methods gave quantitative recovery of ana-lytes regardless of the protein binding ratio; the relative standard deviation was 0.8-3.3%. However, for a mixture of anticonvulsants with a wide range of hydrophobicity, simultaneous deproteinization and analysis of all components was unsuccessful. This method of deproteinization was especially suitable for the analysis of hydrophilic compounds in serum.
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Tamai, G., Yoshida, H. & Imai, H. On-Line Deproteinization of Serum Samples for High Performance Liquid Chromatographic Analysis by Using Adsorbent Gel, Butyl Toyopearl 650-M. ANAL. SCI. 2, 481–485 (1986). https://doi.org/10.2116/analsci.2.481
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DOI: https://doi.org/10.2116/analsci.2.481