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Association of amino acids embedded in helium droplets detected by mass spectrometry

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Abstract

Amino acids were embedded in helium droplets. The electron impact ionization allows for detecting positively charged glycine, valine, histidine, tryptophan and their principal fragments. Monomers and polymers with up to four amino acids are reported. Heterodimers of tryptophan and valine or histidine are observed as well as heterodimers of included fragments. The ability of these associations of molecules to form complexes with water is examined.

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Authors and Affiliations

  1. Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany

    Matthieu R. Lalanne, Georg Achazi, Sebastian Reichwald & Albrecht Lindinger

Authors
  1. Matthieu R. Lalanne
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  2. Georg Achazi
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  3. Sebastian Reichwald
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  4. Albrecht Lindinger
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Correspondence to Matthieu R. Lalanne.

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Lalanne, M., Achazi, G., Reichwald, S. et al. Association of amino acids embedded in helium droplets detected by mass spectrometry. Eur. Phys. J. D 69, 280 (2015). https://doi.org/10.1140/epjd/e2015-60245-x

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  • DOI: https://doi.org/10.1140/epjd/e2015-60245-x

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