ジメチルスルホキシドの水和構造評価:有効フラグメントポテンシャル-分子動力学計算

  • 石郷岡 知里
    お茶の水女子大学大学院人間文化創成科学研究科,〒112-8610東京都文京区大塚2-1-1
  • 黒木 菜保子
    お茶の水女子大学基幹研究院,〒112-8610東京都文京区大塚2-1-1 国立研究開発法人科学技術振興機構ACT-X,〒332-0012 埼玉県川口市本町4-1-8

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タイトル別名
  • Hydration Structure of Dilute Aqueous DMSO Solutions: An Effective Fragment Potential Molecular Dynamics Simulation Study

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説明

<p>Dimethyl sulfoxide (DMSO), widely used as a cryoprotectant, drug, and oxidant, contains a hydrophilic S=O and hydrophobic CH3 groups and is fully miscible with water in any ratio. In this study, intermolecular interactions in dilute aqueous DMSO solution were analyzed using effective fragment potential based molecular dynamics (EFP-MD) simulations. The analysis revealed that DMSO induced stable interactions with water molecules not only around its hydrophilic S=O group but also near the CH3 groups. The interaction lifetimes suggested that the hydrogen bonding network in the first hydration shell is directional.</p>

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