Photofragmentation of guanine, cytosine, leucine and methionine (Articolo in rivista)

Type
Label
  • Photofragmentation of guanine, cytosine, leucine and methionine (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.chemphys.2007.02.013 (literal)
Alternative label
  • Plekan, O; Feyer, V; Richter, R; Coreno, M; de Simone, M; Prince, KC (2007)
    Photofragmentation of guanine, cytosine, leucine and methionine
    in Chemical physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Plekan, O; Feyer, V; Richter, R; Coreno, M; de Simone, M; Prince, KC (literal)
Pagina inizio
  • 53 (literal)
Pagina fine
  • 63 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 334 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1-3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Inst Electron Phys, UA-88017 Uzhgorod, Ukraine; Sincrotrone Trieste, I-34012 Trieste, Italy; CNR, IMIP, Area Ric Roma 1, I-00016 Monterotondo, Italy; INSTM, Trieste, Italy; CNR, Lab Naz TASC, INFM, Trieste, Italy (literal)
Titolo
  • Photofragmentation of guanine, cytosine, leucine and methionine (literal)
Abstract
  • The photofragmentation spectra of guanine, cytosine, leucine and methionine were measured with noble gas resonance radiation at energies from 8.43 to 21.2 eV, and the spectra are related to the published valence band photoemission spectra. As expected, lower photon energies lead to 'softer' ionization and reduced fragmentation. For the nucleobases guanine and cytosine, photoionization below 16.67 eV leads predominantly to the parent ion. The fragmentation pattern of leucine is similar to that of published spectra of other amino acids with aliphatic side chains, and whose outer orbitals are similar, with oxygen and nitrogen lone pair character. Methionine behaves very differently because the outer orbital has sulphur lone pair character, and reduced fragmentation is observed. (c) 2007 Elsevier B.V. All rights reserved. (literal)
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