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  • Kulyk, KostiantynStockholms universitet,Fysikum (author)

High-energy collisions of protonated enantiopure amino acids with a chiral target gas

  • Article/chapterEnglish2015

Publisher, publication year, extent ...

  • Elsevier BV,2015
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-122330
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-122330URI
  • https://doi.org/10.1016/j.ijms.2015.08.010DOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • We have studied the fragmentation of the singly protonated L- and D-forms of enantiomerically pure phenylalanine (Phe), tryptophan (Trp), and methionine (Met) in high-energy collisions with chiral and achiral gas targets. (S)-(+)-2-butanol, racemic (+/-)-2-butanol, and argon were used as target gases. At center-of-mass frame collision energy of I key, it was found that all of the ions exhibit common fragmentation pathways which are independent of target chirality. For all projectile ions, the elimination of NH3 and H2O + CO were found to be the main reaction channels. The observed fragmentation patterns were dominated by statistically driven processes. The energy deposited into the ions was found to be sufficient to yield multiple fragment ions, which arise from decomposition via various competitive reaction pathways.

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  • Rebrov, OleksiiStockholms universitet,Fysikum(Swepub:su)olre9063 (author)
  • Stockett, Mark H.Stockholms universitet,Fysikum(Swepub:su)mstoc (author)
  • Alexander, John D.Stockholms universitet,Fysikum(Swepub:su)jalex (author)
  • Zettergren, HenningStockholms universitet,Fysikum(Swepub:su)henning (author)
  • Schmidt, Henning T.Stockholms universitet,Fysikum(Swepub:su)schmidt (author)
  • Thomas, Richard D.Stockholms universitet,Fysikum(Swepub:su)rdt (author)
  • Cederquist, HenrikStockholms universitet,Fysikum(Swepub:su)cederq (author)
  • Larsson, MatsStockholms universitet,Fysikum(Swepub:su)ml (author)
  • Stockholms universitetFysikum (creator_code:org_t)

Related titles

  • In:International Journal of Mass Spectrometry: Elsevier BV388, s. 59-641387-38061873-2798

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