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UV and VUV ionization of organic molecules, clusters, and complexes

Marksteiner, Markus, Haslinger, Philipp, Sclafani, Michele, Ulbricht, Hendrik and Arndt, Markus (2009) UV and VUV ionization of organic molecules, clusters, and complexes Journal of Physical Chemistry A, 113, (37), pp. 9952-9957. (doi:10.1021/jp905039f).

Record type: Article

Abstract

The generation of organic particle beams is studied in combination with photoionization using UV radiation at 266 nm and vacuum ultraviolet (VUV) light at 157 nm. Single-photon ionization with pulsed VUV light turns out to be sensitive enough to detect various large neutral biomolecular complexes ranging from metal?amino acid complexes to nucleotide clusters and aggregates of polypeptides.

Different biomolecular clusters are shown to exhibit rather specific binding characteristics with regard to the various metals that are codesorbed in the source. We also find that the ion signal of gramicidin can be increased by a factor of 15 when the photon energy is increased from 4.66 to 7.9 eV.

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Published date: 2009
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 144271
URI: http://eprints.soton.ac.uk/id/eprint/144271
ISSN: 1089-5639
PURE UUID: f3d9ae8b-a246-4147-a159-43b3b89cfab5

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Date deposited: 14 Apr 2010 08:37
Last modified: 18 Jul 2017 23:08

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Contributors

Author: Markus Marksteiner
Author: Philipp Haslinger
Author: Michele Sclafani
Author: Hendrik Ulbricht
Author: Markus Arndt

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