Dynamical Properties of van der Waals Clusters of Amino-acid Tryptophan Molecule.

  • YAZAWA Hisayuki
    Department of Applied Physics, Faculty of Engineering, Tokyo University of Agriculture and Technology
  • SHISHIDO Ryoichi
    Department of Applied Physics, Faculty of Engineering, Tokyo University of Agriculture and Technology
  • NOZAWA Takashi
    Department of Applied Physics, Faculty of Engineering, Tokyo University of Agriculture and Technology
  • ARIKAWA Tatsuo
    Department of Applied Physics, Faculty of Engineering, Tokyo University of Agriculture and Technology

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タイトル別名
  • Dynamical Properties of van der Waals C

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抄録

Formation of van der Waals clusters of amino-acid tryptophan was investigated by means of seeded supersonic expansion combining with laser desorption technique. Stable van der Waals clusters of tryptophan molecules, (Trp)n up to n=5, were observed in a time-of-flight mass spectrum. No significant difference was observed in the formation of clusters for each enantiomer, i.e., L-, D-, and racemic-tryptophans. Strikingly no dominant van der Waals complexes other than the type of (Trp)n were observed, though weakly bound van der Waals complexes such as a tryptophan·(rare gas)n type are commonly seen in an ordinary seeded beam expansion. The dynamical properties of tryptophan dimers, and trimers in a carrier argon gas were measured by the use of a fast optical imaging device.

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  • 質量分析

    質量分析 44 (2), 229-236, 1996

    一般社団法人 日本質量分析学会

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