Effect of Dose on Amount of Protein Adsorbed on Anion-Exchange Fibers Prepared by Radiation-Induced Emulsion Graft Polymerization

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  • Itabashi Takeshi
    Department of Applied Chemistry and Biotechnology, Chiba University
  • Matsuzaki Yuka
    Department of Applied Chemistry and Biotechnology, Chiba University
  • Kawai-Noma Shigeko
    Department of Applied Chemistry and Biotechnology, Chiba University
  • Umeno Daisuke
    Department of Applied Chemistry and Biotechnology, Chiba University
  • Saito Kyoichi
    Department of Applied Chemistry and Biotechnology, Chiba University

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Other Title
  • 放射線前照射乳化グラフト重合法を適用して作製したアニオン交換繊維のタンパク質吸着量に及ぼす線量の効果
  • ホウシャセン ゼン ショウシャ ニュウカ グラフト ジュウゴウホウ オ テキヨウ シテ サクセイ シタ アニオン コウカン センイ ノ タンパクシツ キュウチャクリョウ ニ オヨボス センリョウ ノ コウカ

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Abstract

<p>The anion-exchange fiber was prepared by radiation-induced emulsion graft polymerization of glycidyl methacrylate (GMA) on a polyethylene (PE) fiber and subsequent chemical modifications. The PE fiber was irradiated with electron beam at various doses ranging from 20 to 200 kGy before GMA was graft-polymerized. Subsequently, the epoxy group of the poly-GMA graft chain was converted into a diethylamino (DEA) group with a molar conversion of 89 to 93％. At the degrees of GMA grafting of 85±8％, the anion-exchange fibers prepared at various doses up to 200 kGy exhibited a molar ratio of amount of Cl adsorbed to DEA group density of unity irrespective of dose. In contrast, the anion-exchange fiber prepared at 20 kGy exhibited 3.4-fold higher amount of bovine serum albumin adsorbed than that prepared at 200 kGy.</p>

Journal

  • RADIOISOTOPES

    RADIOISOTOPES 68 (7), 451-457, 2019-07-15

    Japan Radioisotope Association

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