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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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    Separation and identification of selenoproteins in selenium-enriched yeast

    Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    2013, v.26 no.6, pp.357-363
    https://doi.org/10.5806/AST.2013.26.6.357


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    Abstract

    Selenium-containing proteins were separated from selenium-enriched yeast (SEY) using Trizol® reagent followed by anion exchange (AE) chromatography. This method is simpler and less time consuming than electrophoresis. Five selenium containing proteins were identified by on-line AE HPLC-ICP/MS (high performance liquid chromatography-inductively coupled plasma/mass spectrometry). Each protein was enzymatically hydrolyzed to seleno-amino acids and separated with RP (reverse phase) HPLC for the identification of selenoproteins.

    keywords
    Se-enriched yeast, HPLC-ICP/MS, selenoprotein, Trizol<TEX>$^{(R)}$</TEX> reagent, anion exchange chromatography


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