磁場を用いた環境制御と放射光による結品品質評価

DOI Web Site
  • 安宅 光雄
    産業技術総合研究所 セルエンジニアリング研究部門

書誌事項

タイトル別名
  • Environmental Control by a Magnetic Field and Quality Evaluation of Crystals Using Synchrotron Radiation
  • 磁場を用いた環境制御と放射光による結晶品質評価
  • ジバ オ モチイタ カンキョウ セイギョ ト ホウシャコウ ニ ヨル ケッショウ ヒンシツ ヒョウカ

この論文をさがす

抄録

Attempts to control sedimentation and convection using a superconducting magnet are introduced. Magneto-Archimedes levitation was applied to protein crystal growth by converting the aqueous protein solution into paramagnetic with the addition of Gd ions. Since the responses of diamagnetic protein crystals and paramagnetic surrounding solution toward a magnetic flux density gradient are opposite to each other, the tendency of the crystals to escape from the magnetic field can be augmented, leading to levitation at the air-solution interface. Navier-Stokes equations were numerically solved in the presence of the magnetic, escaping force. A number of instances were shown in which convection was suppressed by use of a magnetic flux density gradient. Quality improvements of lysozyme crystals grown in a magnetically levitated state were demonstrated by white X-ray topography.

収録刊行物

詳細情報 詳細情報について

問題の指摘

ページトップへ