Gas phase dissociative electron attachment study to L-valine

Š Matejčík; J. Kočíšek; D. Kubala; M. Stano; O. Ingolfsson

doi:10.1063/1.2406021

Gas phase dissociative electron attachment study to L-valine

Š Matejčík, J. Kočíšek, D. Kubala, M. Stano, O. Ingolfsson

Faculty of Physical Sciences

University of Iceland

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Using a crossed electron/molecule beams apparatus the dissociative electron attachment (DEA) to gas phase amino acid L-valine has been studied. The DEA to valine at low electron energies exhibits several common features with DEA to other amino acids (glycine, alanine) and to simple organic acids. Like in the case of previously studied amino acids glycine and alanine no stable parent anion was detected. The transient negative ions is formed at low electron energies via electron capture to the unoccupied π^* orbital of the COOH group, the majority of the products is associated with the COOH group. The dominant product of the DEA reaction is (Val-H)^- (m/Z=116) observed at two resonances of 1.2 eV and 5.3 eV. Other fragment anions (m/Z=100,72,56,26 and 17) are formed via the low energy resonances (below 5 eV) and core excited resonances at about 5.0 and 9.0 eV.

Original language	English
Title of host publication	THE PHYSICS OF IONIZED GASES
Subtitle of host publication	23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports
Pages	117-124
Number of pages	8
DOIs	https://doi.org/10.1063/1.2406021
Publication status	Published - 2006
Event	THE PHYSICS OF IONIZED GASES: 23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports - National Park Kopaonik, Serbia Duration: 28 Aug 2006 → 1 Sept 2006

Publication series

Name	AIP Conference Proceedings
Volume	876

Conference

Conference	THE PHYSICS OF IONIZED GASES: 23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports
Country/Territory	Serbia
City	National Park Kopaonik
Period	28/08/06 → 1/09/06

Other keywords

Aminoacid
Attachment
Dissociative
Electron
Valine

Access to Document

10.1063/1.2406021

Cite this

Matejčík, Š., Kočíšek, J., Kubala, D., Stano, M., & Ingolfsson, O. (2006). Gas phase dissociative electron attachment study to L-valine. In THE PHYSICS OF IONIZED GASES: 23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports (pp. 117-124). (AIP Conference Proceedings; Vol. 876). https://doi.org/10.1063/1.2406021

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title = "Gas phase dissociative electron attachment study to L-valine",

abstract = "Using a crossed electron/molecule beams apparatus the dissociative electron attachment (DEA) to gas phase amino acid L-valine has been studied. The DEA to valine at low electron energies exhibits several common features with DEA to other amino acids (glycine, alanine) and to simple organic acids. Like in the case of previously studied amino acids glycine and alanine no stable parent anion was detected. The transient negative ions is formed at low electron energies via electron capture to the unoccupied π* orbital of the COOH group, the majority of the products is associated with the COOH group. The dominant product of the DEA reaction is (Val-H)- (m/Z=116) observed at two resonances of 1.2 eV and 5.3 eV. Other fragment anions (m/Z=100,72,56,26 and 17) are formed via the low energy resonances (below 5 eV) and core excited resonances at about 5.0 and 9.0 eV.",

keywords = "Aminoacid, Attachment, Dissociative, Electron, Valine",

author = "{\v S} Matej{\v c}{\'i}k and J. Ko{\v c}{\'i}{\v s}ek and D. Kubala and M. Stano and O. Ingolfsson",

year = "2006",

doi = "10.1063/1.2406021",

language = "English",

isbn = "0735403775",

series = "AIP Conference Proceedings",

pages = "117--124",

booktitle = "THE PHYSICS OF IONIZED GASES",

note = "THE PHYSICS OF IONIZED GASES: 23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports ; Conference date: 28-08-2006 Through 01-09-2006",

}

Matejčík, Š, Kočíšek, J, Kubala, D, Stano, M & Ingolfsson, O 2006, Gas phase dissociative electron attachment study to L-valine. in THE PHYSICS OF IONIZED GASES: 23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports. AIP Conference Proceedings, vol. 876, pp. 117-124, THE PHYSICS OF IONIZED GASES: 23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports, National Park Kopaonik, Serbia, 28/08/06. https://doi.org/10.1063/1.2406021

Gas phase dissociative electron attachment study to L-valine. / Matejčík, Š; Kočíšek, J.; Kubala, D. et al.
THE PHYSICS OF IONIZED GASES: 23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports. 2006. p. 117-124 (AIP Conference Proceedings; Vol. 876).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Gas phase dissociative electron attachment study to L-valine

AU - Matejčík, Š

AU - Kočíšek, J.

AU - Kubala, D.

AU - Stano, M.

AU - Ingolfsson, O.

PY - 2006

Y1 - 2006

N2 - Using a crossed electron/molecule beams apparatus the dissociative electron attachment (DEA) to gas phase amino acid L-valine has been studied. The DEA to valine at low electron energies exhibits several common features with DEA to other amino acids (glycine, alanine) and to simple organic acids. Like in the case of previously studied amino acids glycine and alanine no stable parent anion was detected. The transient negative ions is formed at low electron energies via electron capture to the unoccupied π* orbital of the COOH group, the majority of the products is associated with the COOH group. The dominant product of the DEA reaction is (Val-H)- (m/Z=116) observed at two resonances of 1.2 eV and 5.3 eV. Other fragment anions (m/Z=100,72,56,26 and 17) are formed via the low energy resonances (below 5 eV) and core excited resonances at about 5.0 and 9.0 eV.

AB - Using a crossed electron/molecule beams apparatus the dissociative electron attachment (DEA) to gas phase amino acid L-valine has been studied. The DEA to valine at low electron energies exhibits several common features with DEA to other amino acids (glycine, alanine) and to simple organic acids. Like in the case of previously studied amino acids glycine and alanine no stable parent anion was detected. The transient negative ions is formed at low electron energies via electron capture to the unoccupied π* orbital of the COOH group, the majority of the products is associated with the COOH group. The dominant product of the DEA reaction is (Val-H)- (m/Z=116) observed at two resonances of 1.2 eV and 5.3 eV. Other fragment anions (m/Z=100,72,56,26 and 17) are formed via the low energy resonances (below 5 eV) and core excited resonances at about 5.0 and 9.0 eV.

KW - Aminoacid

KW - Attachment

KW - Dissociative

KW - Electron

KW - Valine

UR - https://www.scopus.com/pages/publications/33847010993

U2 - 10.1063/1.2406021

DO - 10.1063/1.2406021

M3 - Conference contribution

SN - 0735403775

SN - 9780735403772

T3 - AIP Conference Proceedings

SP - 117

EP - 124

BT - THE PHYSICS OF IONIZED GASES

T2 - THE PHYSICS OF IONIZED GASES: 23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports

Y2 - 28 August 2006 through 1 September 2006

ER -

Matejčík Š, Kočíšek J, Kubala D, Stano M, Ingolfsson O. Gas phase dissociative electron attachment study to L-valine. In THE PHYSICS OF IONIZED GASES: 23rd Summer School and International Symposium on the Physics of Ionized Gases; Invited Lectures, Topical Invited Lectures and Progress Reports. 2006. p. 117-124. (AIP Conference Proceedings). doi: 10.1063/1.2406021

Gas phase dissociative electron attachment study to L-valine

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