Issue 14, 2010
From the journal:

Physical Chemistry Chemical Physics

Sub-microsecond photodissociation pathways of gas phase adenosine 5′-monophosphate nucleotide ions

G. Aravind,a   R. Antoine,b   B. Klærke,a   J. Lemoine,c   A. Racaud,b   D. B. Rahbek,a   J. Rajput,a   P. Dugourdb  and  L. H. Andersen*a  

* Corresponding authors

a Department of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark

b Université de Lyon, Université Lyon 1, Villeurbanne, CNRS, UMR 5579, LASIM, Lyon, France

c Université de Lyon, Université Lyon 1, Villeurbanne, CNRS, UMR 5180, Sciences Analytiques, Lyon, France

Abstract

The sub-microsecond dissociation pathways for the protonated and deprotonated forms of adenosine 5′-monophosphate were probed in the gas phase using a linear time of flight spectrometer. The studies show two dissociation pathways for the AMP ions indicating dominant ergodic pathways in the photodissociation of these species. The photofragmentation was determined to be a single photon process for the AMP ions. Photodetachment of the AMP anion excited at 266 nm was not observed, leaving dissociation as the prominent pathway for relaxation of the excess energy in the biomolecule. The photofragments were analysed at the electrostatic ion storage ring (ELISA) and found to be similar to collision induced fragments in the case of anions but different in the case of cations.

Graphical abstract: Sub-microsecond photodissociation pathways of gas phase adenosine 5′-monophosphate nucleotide ions

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Article information

DOI
https://doi.org/10.1039/B921038E
Article type
Paper
Submitted
07 Oct 2009
Accepted
02 Feb 2010
First published
24 Feb 2010

Phys. Chem. Chem. Phys., 2010,12, 3486-3490

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Sub-microsecond photodissociation pathways of gas phase adenosine 5′-monophosphate nucleotide ions

G. Aravind, R. Antoine, B. Klærke, J. Lemoine, A. Racaud, D. B. Rahbek, J. Rajput, P. Dugourd and L. H. Andersen, Phys. Chem. Chem. Phys., 2010, 12, 3486 DOI: 10.1039/B921038E

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