Comprehensive characterization of the photodissociation pathways of protonated tryptophan.

V. Lepère, B. Lucas, M. Barat, J. A. Fayeton, V. J. Picard, C. Jouvet, P. Carçabal, I. Nielsen, C. Dedonder-Lardeux, G. Grégoire, A. Fujii

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50 Citations (Scopus)

Abstract

The photofragmentation of protonated tryptophan has been investigated in a unique experimental setup, in which ion and neutral issued from the photofragmentation are detected in coincidence, in time and in position. From these data are extracted the kinetic energy, the number of neutral fragments associated with an ion, their masses, and the order of the fragmentation steps. Moreover, the fragmentation time scale ranging from tens of nanoseconds to milliseconds is obtained. From all these data, a comprehensive fragmentation mechanism is proposed.

Original languageEnglish
Pages (from-to)134313
Number of pages1
JournalThe Journal of chemical physics
Volume127
Issue number13
DOIs
Publication statusPublished - 2007 Oct 7
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Lepère, V., Lucas, B., Barat, M., Fayeton, J. A., Picard, V. J., Jouvet, C., Carçabal, P., Nielsen, I., Dedonder-Lardeux, C., Grégoire, G., & Fujii, A. (2007). Comprehensive characterization of the photodissociation pathways of protonated tryptophan. The Journal of chemical physics, 127(13), 134313. https://doi.org/10.1063/1.2770458