21. Brunet, C., Antoine, R., Allouche, A.-R., Dugourd, P.: Gas phase photo-formation and vacuum
UV photofragmentation spectroscopy of tryptophan and tyrosine radical-containing peptides.
J. Phys. Chem. A 115, 8933–8939 (2011)
22. Brunet, C., Antoine, R., Dugourd, P., Canon, F., Giuliani, A., Nahon, L.: Formation and
fragmentation of radical peptide anions: insights from vacuum ultra violet spectroscopy. J.
Am. Soc. Mass Spec. 23, 274–281 (2012)
23. Reichardt, G., Bahrdt, J., Schmidt, J., Gudat, W., Ehresmann, A., Mu ¨ller-Albrecht, R., Molter,
H., Schmoranzer, H., Martins, M., Schwentner, N., Sasaki, S.: A 10m-normal incidence
monochromator at the quasiperiodic undulator U125-2 at BESSY. Nucl. Instrum. Methods A
467, 462 (2001)
24. Polfer, N.C., Oomens, J., Suhai, S., Paizs, B.: Infrared spectroscopy and theoretical studies on
gas-phase protonated leu-enkephalin and its fragments: direct experimental evidence for the
mobile proton. J. Am. Chem. Soc. 129, 5887–5897 (2007)
25. Rakov, V., Borisov, O., Whitehouse, C.: Establishing low-energy sequential decomposition
pathways of leucine enkephalin and its N- and C-terminus fragments using multiple-resonance
CID in quadrupolar ion guide. J. Am. Soc. Mass Spectrom. 15, 1794–1809 (2004)
26. Laskin, J.: Energetics and dynamics of fragmentation of protonated leucine enkephalin from
time-and energy-resolved surface-induced dissociation studies. J. Phys. Chem. A 110,
8554–8562 (2006)
27. Bari, S., Hoekstra, R., Schlatho ¨lter, T.: Peptide fragmentation by keV ion-induced dissociation. Phys. Chem. Chem. Phys. 12, 3376–3383 (2012)
28. Plekan, O., Feyer, V., Richter, R., Coreno, M., Prince, K.C.: Valence photoionization and
photofragmentation of aromatic amino acids. Mol. Phys. 106, 1143–1153 (2008)
29. Jochims, H., Schwell, M., Chotin, J., Clemino, M., Dulieu, F., Baumga ¨rtel, H., Leach, S.:
Photoion mass spectrometry of five amino acids in the 6–22 eV photon energy range. Chem.
Phys. 298, 279–297 (2004)
30. Jochims, H., Schwell, M., Baumga ¨rtel, H., Leach, S.: Photoion mass spectrometry of adenine,
thymine and uracil in the 6–22 eV photon energy range. Chem. Phys. 314, 263–282 (2005)
31. Walter, K., Lindner, J., Grotemeyer, J., Schlag, E.: Biomolecules in the gas phase 5. Small
peptides investigated by multiphoton mass-spectrometry. Chem. Phys. 125, 155–163 (1988)
32. Paizs, B., Suhai, S.: Fragmentation pathways of protonated peptides. Mass Spectrom. Rev. 24,
508–548 (2005)
33. Kamohara, M., Izumi, Y., Tanaka, M., Okamoto, K., Tanaka, M., Kaneko, F., Kodama, Y.,
Koketsu, T., Nakagawa, K.: Optical oscillator strength distribution of amino acids from 3 to
250 eV and examination of the Thomas-Reiche-Kuhn sum rule. Rad. Phys. Chem. 77,
1153–1155 (2008)
34. Schlag, E.W., Selzle, H.L., Schanen, P., Weinkauf, R., Levine, R.D.: Dissociation kinetics of
peptide ions. J. Phys. Chem. A 110, 8497–8500 (2006)
35. Remacle, F., Levine, R.D., Schlag, E.W., Weinkauf, R.: Electronic control of site selective
reactivity: a model combining charge migration and dissociation. J. Phys. Chem. A 103,
10149–10158 (1999)
36. Breidbach, J., Cederbaum, L.S.: Migration of holes: formalism, mechanisms, and illustrative
applications. J. Chem. Phys. 118, 3983–3996 (2003)
37. Guillemin, R., Stolte, W.C.C., Piancastelli, M.N., Lindle, D.W.: Jahn-Teller coupling and
fragmentation after core-shell excitation in CF 4 investigated by partial-ion-yield spectroscopy.
Phys. Rev. A 82, 043427 (2010)
226
T. Schlatho ¨ lter and R. Hoekstra
UV photofragmentation spectroscopy of tryptophan and tyrosine radical-containing peptides.
J. Phys. Chem. A 115, 8933–8939 (2011)
22. Brunet, C., Antoine, R., Dugourd, P., Canon, F., Giuliani, A., Nahon, L.: Formation and
fragmentation of radical peptide anions: insights from vacuum ultra violet spectroscopy. J.
Am. Soc. Mass Spec. 23, 274–281 (2012)
23. Reichardt, G., Bahrdt, J., Schmidt, J., Gudat, W., Ehresmann, A., Mu ¨ller-Albrecht, R., Molter,
H., Schmoranzer, H., Martins, M., Schwentner, N., Sasaki, S.: A 10m-normal incidence
monochromator at the quasiperiodic undulator U125-2 at BESSY. Nucl. Instrum. Methods A
467, 462 (2001)
24. Polfer, N.C., Oomens, J., Suhai, S., Paizs, B.: Infrared spectroscopy and theoretical studies on
gas-phase protonated leu-enkephalin and its fragments: direct experimental evidence for the
mobile proton. J. Am. Chem. Soc. 129, 5887–5897 (2007)
25. Rakov, V., Borisov, O., Whitehouse, C.: Establishing low-energy sequential decomposition
pathways of leucine enkephalin and its N- and C-terminus fragments using multiple-resonance
CID in quadrupolar ion guide. J. Am. Soc. Mass Spectrom. 15, 1794–1809 (2004)
26. Laskin, J.: Energetics and dynamics of fragmentation of protonated leucine enkephalin from
time-and energy-resolved surface-induced dissociation studies. J. Phys. Chem. A 110,
8554–8562 (2006)
27. Bari, S., Hoekstra, R., Schlatho ¨lter, T.: Peptide fragmentation by keV ion-induced dissociation. Phys. Chem. Chem. Phys. 12, 3376–3383 (2012)
28. Plekan, O., Feyer, V., Richter, R., Coreno, M., Prince, K.C.: Valence photoionization and
photofragmentation of aromatic amino acids. Mol. Phys. 106, 1143–1153 (2008)
29. Jochims, H., Schwell, M., Chotin, J., Clemino, M., Dulieu, F., Baumga ¨rtel, H., Leach, S.:
Photoion mass spectrometry of five amino acids in the 6–22 eV photon energy range. Chem.
Phys. 298, 279–297 (2004)
30. Jochims, H., Schwell, M., Baumga ¨rtel, H., Leach, S.: Photoion mass spectrometry of adenine,
thymine and uracil in the 6–22 eV photon energy range. Chem. Phys. 314, 263–282 (2005)
31. Walter, K., Lindner, J., Grotemeyer, J., Schlag, E.: Biomolecules in the gas phase 5. Small
peptides investigated by multiphoton mass-spectrometry. Chem. Phys. 125, 155–163 (1988)
32. Paizs, B., Suhai, S.: Fragmentation pathways of protonated peptides. Mass Spectrom. Rev. 24,
508–548 (2005)
33. Kamohara, M., Izumi, Y., Tanaka, M., Okamoto, K., Tanaka, M., Kaneko, F., Kodama, Y.,
Koketsu, T., Nakagawa, K.: Optical oscillator strength distribution of amino acids from 3 to
250 eV and examination of the Thomas-Reiche-Kuhn sum rule. Rad. Phys. Chem. 77,
1153–1155 (2008)
34. Schlag, E.W., Selzle, H.L., Schanen, P., Weinkauf, R., Levine, R.D.: Dissociation kinetics of
peptide ions. J. Phys. Chem. A 110, 8497–8500 (2006)
35. Remacle, F., Levine, R.D., Schlag, E.W., Weinkauf, R.: Electronic control of site selective
reactivity: a model combining charge migration and dissociation. J. Phys. Chem. A 103,
10149–10158 (1999)
36. Breidbach, J., Cederbaum, L.S.: Migration of holes: formalism, mechanisms, and illustrative
applications. J. Chem. Phys. 118, 3983–3996 (2003)
37. Guillemin, R., Stolte, W.C.C., Piancastelli, M.N., Lindle, D.W.: Jahn-Teller coupling and
fragmentation after core-shell excitation in CF 4 investigated by partial-ion-yield spectroscopy.
Phys. Rev. A 82, 043427 (2010)
226
T. Schlatho ¨ lter and R. Hoekstra