Separation of Nucleotides with an Aqueous Mobile Phase Using pH- and Temperature-Responsive Polymer Modified Packing Materials

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A new method for the qualitative analysis of adenosine nucleotides (AMP, ADP, and ATP) and synthetic oligonucleotides has been proposed, utilizing a pH- and temperature-responsive polymer of <i>N</i>-isopropylacrylamide (NIPAAm), butyl methacrylate (BMA) and <i>N</i>,<i>N</i>-dimethylaminopropylacrylamide (DMAPAAm) as the stationary phase of HPLC. In the chromatographic system using the copolymer with ionizable groups of modified packing materials, we investigated how to separate adenosine nucleotides and oligonucleotides by temperature. The properties of the surface of the copolymer-grafted stationary phase altered from hydrophilic to hydrophobic and from charged to non-charged due to changes in the temperature and in the pH, respectively. In addition, it is possible to exhibit and hide ion-exchange groups on the polymer chain surface by temperature changes. These phenomena result from changes in the charge and hydrophobicity of the pH- and temperature-responsive polymer on the stationary surface with the controlling temperature. A pH- and temperature-responsive chromatography would be greatly useful for biopolymer and nucleotide separation and purification.

収録刊行物

  • Analytical sciences : the international journal of the Japan Society for Analytical Chemistry  

    Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 22(4), 539-543, 2006-04-10 

    The Japan Society for Analytical Chemistry

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各種コード

  • NII論文ID(NAID)
    10018123757
  • NII書誌ID(NCID)
    AA10500785
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09106340
  • NDL 記事登録ID
    7871917
  • NDL 雑誌分類
    ZP4(科学技術--化学・化学工業--分析化学)
  • NDL 請求記号
    Z54-F482
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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