Reyes Calvo, M.
, Andersen, J. U., Hvelplund, P., Nielsen, S. B., Pedersen, U. V., Rangama, J. & Tomita, S. (2004).
Photophysics of protoporphyrin ions in vacuo: Triplet-state lifetimes and quantum yields.
Journal of Chemical Physics,
120, 5067.
Stockett, M. H.
, Kjær, C., Daly, S., Bieske, E. J., Verlet, J. R. R.
, Nielsen, S. B. & Bull, J. N. (2020).
Photophysics of Isolated Rose Bengal Anions.
The journal of physical chemistry. A,
124(41), 8429-8438.
https://doi.org/10.1021/acs.jpca.0c07123
Urbina, R. C.
, Andersen, J. U., Forster, J. S.
, Hvelplund, P., Nielsen, S. B., Pedersen, U. V., Rangama, J. & Tomita, S. (2004).
Photophysics of gaseous protoporphyrine and heme ions: excited state lifetimes and quantum yields.
Journal of Chemical Physics,
120, 5067.
Jensen, M. W., Støchkel, K., Kjær, C., Knudsen, J. L., Maltsev, O. V., Hintermann, L., Naumov, P., Milne, B. F.
& Nielsen, S. B. (2014).
Photoinduced dissociation mass spectroscopy of firefly oxyluciferin anions.
International Journal of Mass Spectrometry,
365-366, 3-9.
https://doi.org/10.1016/j.ijms.2013.11.012
Brøndsted Nielsen, M., Jørgensen, T. J. D., Forster, J. S., Bojesen, G.
& Nielsen, S. B. (2006).
Photoexcitation of tetrathiafulvalene radical cations in a storage ring: Kinetics and energetics of the dissociation process.
Int. J. Mass. Spectrom.,
248, 47-55.
Brøndsted Nielsen, M., Jørgensen, T. J. D., Forster, J. S., Bojesen, G.
& Nielsen, S. B. (2006).
Photoexcitation of tetrathiafulvalene radical cations in a storage ring: Kinetics and energetics of the dissociated process.
Int. J. Mass Sprectom.,
248, 47-55.
Kadhane, U., Andersen, J. U., Ehlerding, A., Hvelplund, P., Kirketerp, M.-B. S., Lykkegaard, M. K., Nielsen, S. B., Panja, S., Wyer, J. & Zettergren, H. (2008).
Photodissociation of protonated tryptophan and alteration of dissociation pathways by complexation with crown ether.
Journal of Chemical Physics,
129(18), 184304.
Kadhane, U., Pérot, M., Lucas, B., Barat, M., Fayeton, J. A., Jouvet, C.
, Ehlerding, A., Kirketerp, M.-B. S., Nielsen, S. B., Wyer, J. & Zettergren, H. (2009).
Photodissociation of protonated tryptamine and its supramolecular complex with 18-crown-6 ether: Dissociation times and channels, absorption spectra, and excited states calculations.
Chemical Physics Letters,
480(1-3), 57-61.
https://doi.org/10.1016/j.cplett.2009.08.064
Andersen, J. U., Cederquist, H., Forster, J. S., Huber, B. A.
, Hvelplund, P., Jensen, J., Liu, B., Manil, B., Maunoury, L.
, Nielsen, S. B., Pedersen, U. V., Rangama, J., Schmidt, H. T., Tomita, S. & Zettergren, H. (2004).
Photodissociation of protonated amino acids and peptides in an ion storage ring. Determination of Arrhenius parameters in the high-temperature limit.
Physical Chemistry Chemical Physics,
6, 2676.
Lykkegaard, M. K., Zettergren, H., Kirketerp, M.-B. S., Ehlerding, A., Wyer, J., Kadhane, U. & Nielsen, S. B. (2009).
Photodissociation of Isolated Ferric Heme and Heme-His Cations in an Electrostatic Ion Storage Ring.
Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory,
113(8), 1440-1444.
https://doi.org/10.1021/jp809626v
Worm, E. S., Hald Andersen, I.
, Andersen, J. U., Holm, A. I. S., Hvelplund, P., Kadhane, U., Nielsen, S. B., Poully, J.-C.
& Støchkel, K. (2007).
Photodissociation of dinucleotide ions in a storage ring.
Physical Review A 75, 042709.
Worm, E. S., Andersen, I. H., Andersen, J. U., Holm, A. I. S., Hvelplund, P., Kadhane, U., Nielsen, S. B., Poully, J.-C.
& Støchkel, K. (2007).
Photodissociation of dinucleotide ions in a storage ring.
Physical Review A,
75(4), 042709.
https://doi.org/10.1103/PhysRevA.75.042709
Nielsen, S. B., Andersen, J. U., Forster, J. S.
, Hvelplund, P., Liu, B., Pedersen, U. V. & Tomita, S. (2003).
Photodestruction of adenosine 5'-monophosphate (AMP) nucleotide ions in vacuo: Statistical versus nonstatistical processes.
Physical Review Letters,
91, 48302.
Andersen, L. H., Lapierre, A.
, Nielsen, I. B., Nielsen, S. B., Pedersen, U. V., Pedersen, S. U. & Tomita, S. (2002).
Photo-absorption studies of chromophores of the green fluorescent protein at the ELISA storage ring.
Chakraborty, T.
, Holm, A. I. S., Hvelplund, P., Nielsen, S. B., Poully, J.-C. & Worm, E. S. (2006).
On the survival of peptide cations after electron capture: Role of internal hydrogen bonding and microsolvation.
J. Am. Soc. Mass Spectrom.,
17, 1675-1689.
Chakraborty, T., Holm, A. I. S., Hvelplund, P., Nielsen, S. B., Poully, J.-C.
, Worm, E. S. & Williams, E. R. (2006).
On the survival of peptide cations after electron capture: role of internal hydrogen bonding and microsolvation.
Journal of The American Society for Mass Spectrometry,
17(12), 1675-80.
https://doi.org/10.1016/j.jasms.2006.07.018
Kirketerp, M.-B. S., Nielsen, S. B., Støchkel, K., Wyer, J., Hansen, C. N. & Kristensen, M. B. (2011).
On the stability of isolated Pt(SCN)2-4 dianions in vacuo and action spectroscopy experiments.
Chemical Physics Letters,
502(1-3), 53-56.
https://doi.org/10.1016/j.cplett.2010.12.025
Burke, R. M., Boxford, W. E.
, Panja, S., Nielsen, S. B. & Dessent, C. E. H. (2007).
On the propensity for electron transfer in high-energy collisions of iridium complex anions with cesium atoms.
Chem. Phys. Letters, (442), 201-205.
Houmøller, J., Kaufman, S. H.
, Støchkel, K., Tribedi, L. C.
, Brøndsted Nielsen, S. & Weber, J. M. (2013).
On the Photoabsorption by Permanganate Ions in Vacuo and the Role of a Single Water Molecule. New Experimental Benchmarks for Electronic Structure Theory.
ChemPhysChem,
14(6), 1133-1137.
https://doi.org/10.1002/cphc.201300019
Holm, A. I. S., Hvelplund, P., Kadhane, U., Larsen, M. K., Lui, B.
, Nielsen, S. B., Panja, S., Pedersen, J. M., Skrydstrup, T., Støchkel, K., Williams, E. & Worm, E. S. (2007).
On the Mechanism of Electron-Capture-Induced Dissociation of Peptide Dications from 15N-Labeling and Crown-Ether Complexation.
Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory,
111, 9641-9643.
Holm, A. I. S., Hvelplund, P., Kadhane, U., Larsen, M. K., Liu, B., Nielsen, S. B., Panja, S., Pedersen, J. M., Skrydstrup, T., Støchkel, K., Williams, E. R. & Worm, E. S. (2007).
On the mechanism of electron-capture-induced dissociation of peptide dications from 15n-labeling and crown-ether complexation.
Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory,
111(39), 9641-3.
https://doi.org/10.1021/jp075943y
Kirketerp, M.-B. S., Espinosa Leal, L. A., Varsano, D., Rubio, A., Jørgensen, T. J. D., Kilså, K., Brøndsted Nielsen, M.
& Nielsen, S. B. (2011).
On the intrinsic optical absorptions by tetrathiafulvalene radical cations and isomers.
Chemical Communications, 6900-6902.
https://doi.org/10.1039/c1cc11936b
Støchkel, K., Hansen, C. N., Houmøller, J., Nielsen, L. M., Anggara, K., Linares, M., Norman, P., Nogueira, F., Maltsev, O. V., Hintermann, L.
, Nielsen, S. B., Naumov, P. & Milne, B. F. (2013).
On the Influence of Water on the Electronic Structure of Firefly Oxyluciferin Anions from Absorption Spectroscopy of Bare and Monohydrated Ions in Vacuo.
Journal of the American Chemical Society,
135(17), 6485-6493.
https://doi.org/10.1021/ja311400t
Holm, A. I. S., Worm, E. S.
, Chakraborty, T., Babu, B. R., Wengel, J.
, Hoffmann, S. V. & Nielsen, S. B. (2007).
On the influence of conformational locking of sugar moieties on the absorption and circular dichroism of nucleosides from synchrotron radiation experiments.
Journal of Photochemistry and Photobiology, A: Chemistry,
187, 293-298.
Wyer, J., Cederquist, H., Haag, N., Huber, B.
, Hvelplund, P., Johansson, H., Maisonny, R.
, Nielsen, S. B., Rangama, J., Rousseau, P. & Schmidt, H. (2009).
On the hydrogen loss from protonated nucleobases after electronic excitation or collisional electron capture.
European Journal of Mass Spectrometry,
15(6), 681-688.
https://doi.org/10.1255/ejms.1039
Hvelplund, P., Kadhane, U., Nielsen, S. B., Panja, S. & Støchkel, K. (2010).
On the formation of water-containing negatively charged clusters from atmospheric pressure corona discharge in air.
International Journal of Mass Spectrometry,
292(1-3), 48-52.
https://doi.org/10.1016/j.ijms.2010.02.014
Sørensen, M., Forster, J. S.
, Hvelplund, P., Jørgensen, T. J. D.
, Nielsen, S. B. & Tomita, S. (2001).
On the formation of radical dications of protonated amino acids in a 'microsolution' of water or acetonitrile their reactivity with the solvent.
Chemistry: A European Journal,
7, 3214.
Drenck, K.
, Hvelplund, P., Nielsen, S. B., Panja, S. & Støchkel, K. (2008).
On the formation and fragmentation of nitrate in mixed clusters using atmospheric pressure corona discharge in air.
International Journal of Mass Spectrometry,
273, 126-131.
Hvelplund, P., Nielsen, S. B., Panja, S., Pepke Pedersen, J. O. & Uggerud, E. (2009).
On the existence of the hypervalent H30, H2D0, HD20, and D30 radicals.
International Journal of Mass Spectrometry,
281(1-2), 52-54.
https://doi.org/10.1016/j.ijms.2008.12.004
Milne, B. F.
, Kjaer, C., Houmøller, J., Stockett, M. H., Toker, Y., Rubio, A.
& Nielsen, S. B. (2016).
On the Exciton Coupling between Two Chlorophyll Pigments in the Absence of a Protein Environment: Intrinsic Effects Revealed by Theory and Experiment.
Angewandte Chemie International Edition,
55(21), 6248-51.
https://doi.org/10.1002/anie.201601979
Houmøller, J., Wanko, M.
, Støchkel, K., Rubio, A.
& Nielsen, S. B. (2013).
On the effect of a single solvent molecule on the charge-transfer band of a donor-acceptor anion.
Journal of the American Chemical Society,
135(18), 6818-6821.
https://doi.org/10.1021/ja4025275
Byskov, C. S.
, Holm, A. I. S., Zettergren, H., Overgaard, J. B., Hvelplund, P. & Nielsen, S. B. (2009).
On the Charge Partitioning Between c and z Fragments Formed After Electron-Capture Induced Dissociation of Charge-Tagged Lys-Lys and Ala-Lys Dipeptide Dications.
Journal of The American Society for Mass Spectrometry,
20(10), 1881-1889.
https://doi.org/10.1016/j.jasms.2009.06.015
Giacomozzi, L.
, Kjær, C., Brøndsted Nielsen, S., Ashworth, E. K., Bull, J. N. & Stockett, M. H. (2021).
Non-statistical fragmentation in photo-activated flavin mononucleotide anions.
Journal of Chemical Physics,
155(4), Artikel 044305.
https://doi.org/10.1063/5.0056415
Hansen, K., Sundén, A. E. K.
, Støchkel, K., Nielsen, S. B. & Dynefors, B. (2019).
Non-scrambling of hydrogen in NH4+(H2O)3 clusters.
RSC Advances,
9(12), 6620-6626.
https://doi.org/10.1039/c8ra10515d
Kadhane, U., Andersen, J. U., Bonderup, E., Concina, B. J. M. F., Hvelplund, P., Kirketerp, M.-B. S., Liu, B., Nielsen, S. B., Panja, S., Rangama, J.
, Støchkel, K., Tomita, S.
, Zettergren, H., Hansen, K., Sundén, A. E. K., Canton, S. E., Echt, O. & Forster, J. S. (2009).
Near-infrared photoabsorption by C60 dianions in a storage ring.
Journal of Chemical Physics,
131(014301).
https://doi.org/10.1063/1.3149775