Copy the page URI to the clipboard
Alizadeh, Elahe; Gschliesser, David; Bartl, Peter; Hager, Michaela; Edtbauer, Achim; Vizcaino, Violaine; Mauracher, Andreas; Probst, Michael; Märk, Tilmann D.; Ptasińska, Sylwia; Mason, Nigel; Denifl, Stephan and Scheier, Paul
(2011).
DOI: https://doi.org/10.1063/1.3544217
URL: http://jcp.aip.org/resource/1/jcpsa6/v134/i5#
Abstract
Dissociative electron attachment to dialanine and alanine anhydride has been studied in the gas phase utilizing a double focusing two sector field mass spectrometer. We show that low-energy electrons (i.e., electrons with kinetic energies from near zero up to 13 eV) attach to these molecules and subsequently dissociate to form a number of anionic fragments. Anion efficiency curves are recorded
for the most abundant anions by measuring the ion yield as a function of the incident electron energy. The present experiments show that as for single amino acids (M), e.g., glycine, alanine, valine, and proline, the dehydrogenated closed shell anion (M–H)− is the most dominant reaction product. The interpretation of the experiments is aided by quantum chemical calculations based on density functional theory, by which the electrostatic potential and molecular orbitals are calculated and the initial electron attachment process prior to dissociation is investigated
Viewing alternatives
Download history
Metrics
Public Attention
Altmetrics from AltmetricNumber of Citations
Citations from DimensionsItem Actions
Export
About
- Item ORO ID
- 28254
- Item Type
- Journal Item
- ISSN
- 0021-9606
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM) - Research Group
- Physics
- Copyright Holders
- © 2010 American Institute of Physics
- Depositing User
- Astrid Peterkin