UV and VUV ionization of organic molecules, clusters, and complexes
UV and VUV ionization of organic molecules, clusters, and complexes
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.
9952-9957
Marksteiner, Markus
10af17a8-1106-4e12-ba09-361529e673ae
Haslinger, Philipp
6a68010c-fe9f-497d-8279-5abbfb6af1aa
Sclafani, Michele
7f2b276c-2a26-4085-ac77-21f2982325fb
Ulbricht, Hendrik
5060dd43-2dc1-47f8-9339-c1a26719527d
Arndt, Markus
5979dced-ae4f-4dce-8480-71fc8b6dee88
2009
Marksteiner, Markus
10af17a8-1106-4e12-ba09-361529e673ae
Haslinger, Philipp
6a68010c-fe9f-497d-8279-5abbfb6af1aa
Sclafani, Michele
7f2b276c-2a26-4085-ac77-21f2982325fb
Ulbricht, Hendrik
5060dd43-2dc1-47f8-9339-c1a26719527d
Arndt, Markus
5979dced-ae4f-4dce-8480-71fc8b6dee88
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), .
(doi:10.1021/jp905039f).
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
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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: 14 Mar 2024 02:54
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Author:
Markus Marksteiner
Author:
Philipp Haslinger
Author:
Michele Sclafani
Author:
Markus Arndt
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