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
Hvelplund, P., Kurten, T., Støchkel, K., Ryding, M. J.
, Nielsen, S. B. & Uggerud, E. (2010).
Stability and Structure of Protonated Clusters of Ammonia and Water, H+(NH3)m (H2O)n.
Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory,
114(27), 7301-7310.
https://doi.org/10.1021/jp104162k
Turecek, F., Chung, T. W., Moss, C. L., Wyer, J., Ehlerding, A., Holm, A. I. S., Zettergren, H.
, Nielsen, S. B., Hvelplund, P., Chamot-Rooke, J., Bythell, B. & Paizs, B. (2010).
The Histidine Effect. Electron Transfer and Capture Cause Different Dissociations and Rearrangements of Histidine Peptide Cation-Radicals.
Journal of the American Chemical Society,
132(31), 10728-10740.
https://doi.org/10.1021/ja907808h
Ehlerding, A., Wyer, J., Zettergren, H., Kirketerp, M.-B. S.
& Nielsen, S. B. (2010).
UV Photodissociation of protonated Gly-Trp and Trp-Gly Dipeptides and Their Complexes with Crown Ether in an Electrostatic Ion Storage Ring.
Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory,
114, 299-303.
https://doi.org/10.1021/jp9086317
Kirketerp, M.-B. S., Petersen, M. Å., Wanko, M., Leal, L. A. E., Zettergren, H., Raymo, F., Rubio, A., Nielsen, M. B.
& Nielsen, S. B. (2009).
Absorption Spectra of 4-Nitrophenolate Ions Measured in Vacuo and in Solution.
ChemPhysChem,
10(8), 1207-1209.
https://doi.org/10.1002/cphc.200900174
Turecek, F., Panja, S., Wyer, J., Ehlerding, A., Zettergren, H.
, Nielsen, S. B., Hvelplund, P., Bythell, B. & Paizs, B. (2009).
Carboxyl-Catalyzed Prototropic Rearrangements in Histidine Peptide Radicals upon Electron Transfer: Effects of Peptide Sequence and Conformation.
Journal of the American Chemical Society,
131(45), 16472-16487.
https://doi.org/10.1021/ja9050229
Zettergren, H., Adoui, L., Bernigaud, V., Cederquist, H., Haag, N., Holm, A. I. S., Huber, B.
, Hvelplund, P., Johansson, H., Kadhane, U., Koefoed-Larsen, M., Liu, B., Manil, B.
, Nielsen, S. B., Panja, S., Rangama, J., Reinhed, P., Schmidt, H. & Støchkel, K. (2009).
Electron-Capture-Induced Dissociation of Microsolvated Di- and Tripeptide Monocations: Elucidation of Fragmentation Channels from Measurements of Negative Ions.
ChemPhysChem,
10(9-10), 1619-1623.
https://doi.org/10.1002/cphc.200800782
Nielsen, L. M., Holm, A. I. S., Varsano, D., Kadhane, U.
, Hoffmann, S. V., Di Felice, R., Rubio, A.
& Nielsen, S. B. (2009).
Fingerprints of Bonding Motifs in DNA Duplexes of Adenine and Thymine Revealed from Circular Dichroism: Synchrotron Radiation Experiments and TDDFT Calculations.
Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical,
113, 9614-9619.
https://doi.org/10.1021/jp9032029
Sundén, A. E. K., Støchkel, K., Panja, S., Kadhane, U.
, Hvelplund, P., Nielsen, S. B., Zettergren, H., Dynefors, B. & Hansen, K. (2009).
Heat capacities of freely evaporating charged water clusters.
Journal of Chemical Physics,
130, 224308.
https://doi.org/10.1063/1.3149784
Ehlerding, A., Jensen, C. S., Wyer, J., Holm, A. I. S., Jørgensen, P., Kadhane, U., Koefoed-Larsen, M., Panja, S., Poully, J. C., Worm, E. S., Zettergren, H.
, Hvelplund, P. & Nielsen, S. B. (2009).
Influence of temperature and crown ether complex formation on the charge partitioning between z and c fragments formed after electron capture by small peptide dications.
International Journal of Mass Spectrometry,
282(1-2), 21-27.
https://doi.org/10.1016/j.ijms.2009.01.019
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
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
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
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
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
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
Taylor, C. J., Burke, R. M., Wu, B., Panja, S.
, Nielsen, S. B. & Dessent, C. (2009).
Structural characterization of negatively charged glycosaminoglycans using high-enegy (50-150 keV) collisional activation.
International Journal of Mass Spectrometry,
285(1-2), 70-77.
https://doi.org/10.1016/j.ijms.2009.04.009
Wyer, J., Ehlerding, A., Zettergren, H., Kirketerp, M.-B. S.
& Nielsen, S. B. (2009).
Tagging of Protonated Ala-Tyr and Tyr-Ala by Crown Ether Prevents Direct Hydrogen Loss and Proton Mobility after Photoexcitation: Importance for Gas-Phase Absorption Spectra, Dissociation Lifetimes, and Channels.
Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory,
113(33), 9277-9285.
https://doi.org/10.1021/jp904053d
Turecek, F., Holm, A. I. S., Panja, S.
, Nielsen, S. B. & Hvelplund, P. (2009).
Transition metals as electron traps. II. Structures, energetics and electron transfer dissociations of ternary Co, Ni and Zn-peptide complexes in the gas phase.
Journal of Mass Spectrometry,
44(10), 1518-1531.
https://doi.org/10.1002/jms.1642
Turecek, F., Jones, J. W., Holm, A. I. S., Panja, S.
, Nielsen, S. B. & Hvelplund, P. (2009).
Transition metals as electron traps. I. Structures, energetics, electron capture, and electron-transfer-induced dissociations of ternary copper-peptide complexes in the gas phase.
Journal of Mass Spectrometry,
44(5), 707-724.
https://doi.org/10.1002/jms.1546
Støchkel, K., Kadhane, U., Andersen, J. U., Holm, A. I. S.
, Hvelplund, P., Kirketerp, M.-B. S., Koefoed-Larsen, M., Lykkegaard, M. K.
, Nielsen, S. B., Panja, S. & Zettergren, H. (2008).
A new technique for time-resolved daughter ion mass spectrometry on the microsecond to millisecond time scale using an electrostatic ion storage ring.
Review of Scientific Instruments,
79(023107).
Lykkegaard, M. K., Ehlerding, A.
, Hvelplund, P., Kadhane, U., Kirketerp, M.-B. S.
, Nielsen, S. B., Panja, S., Wyer, J. & Zettergren, H. (2008).
A Soret Marker Band for Four-Coordinate Ferric Heme Proteins from Absorption Spectra of Isolated Fe(lll)-Heme+ and Fe(lll)-Heme+(His) Ions in Vacuo.
Journal of the American Chemical Society, (130), 11856-11857.
Holm, A. I. S., Larsen, M. K., Panja, S.
, Hvelplund, P., Nielsen, S. B., Leib, R. D., Donald, W. A., Williams, E., Hao, C. & Turecek, F. (2008).
Electron capture, femtosecond electron transfer and theory: A study of noncovalent crown ether 1,n-diammonium alkane complexes.
International Journal of Mass Spectrometry, (276), 116-126.
Bernigaud, V., Cederquist, H., Haag, N., Holm, A. I. S., Huber, B.
, Hvelplund, P., Kadhane, U., Larsen, M. K., Manil, B.
, Nielsen, S. B., Panja, S., Ptasínska, S., Rangama, J., Reinhed, P., Schmidt, H. T., Streletskii, A. V., Støchkel, K., Worm, E. S. & Zettergren, H. (2008).
Electron capture-induced dissociation of AK dipeptide dications: Influence of ion velocity, crown-ether complexation and collision gas.
International Journal of Mass Spectrometry,
276, 77-81.
Liu, B., Haag, N., Johansson, H., Schmidt, H. T., Cederquist, H.
, Nielsen, S. B., Zettergren, H.
, Hvelplund, P., Manil, B. & Huber, B. A. (2008).
Electron capture induced dissociation of nucleotide anions in water nanodroplets.
Journal of Chemical Physics,
128(075102).
Bernigaud, V., Drenck, K., Huber, B.
, Hvelplund, P., Jabot, T., Kadhane, U., Kirketerp, M.-B. S., Liu, B., Lykkegaard, M. K., Manil, B.
& Nielsen, S. B. (2008).
Electron-Capture-Induced Dissociation of Protoporphyrin IX Ions.
Journal of The American Society for Mass Spectrometry, 809-813.
Hayakawa, S., Matsubara, H., Panja, S.
, Hvelplund, P., Nielsen, S. B., Chen, X. & Turecek, F. (2008).
Experimental Evidence for an Inverse Hydrogen Migration in Arginine Radicals.
Journal of the American Chemical Society,
130, 7645-7654.
Turecek, F., Jones, J. W., Towle, T., Panja, S.
, Nielsen, S. B., Hvelplund, P. & Paizs, B. (2008).
Hidden Histidine Radical Rearrangements upon Electron Transfer to Gas-Phase Peptide Ions.Experimental Evidence and Theoretical Analysis.
Journal of the American Chemical Society,
130, 14584-14596.
Holm, A. I. S., Donald, W. A.
, Hvelplund, P., Larsen, M. K.
, Nielsen, S. B. & Williams, E. R. (2008).
Investigation of Energy Deposited by Femtosecond Electron Transfer in Collisions Using Hydrated Ion Nanocalorimetry.
Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory,
112, 10721-10727.
Lucas, B., Barat, M., Fayeton, J., Perot, M., Jouvet, C., Grégoire, G.
& Nielsen, S. B. (2008).
Mechanisms of photoinduced Cα—Cβ bond breakage in protonated aromatic amino acids.
Journal of Chemical Physics,
128(164302).
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.
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.
Drenck, K.
, Jensen, F., Olsen, J. & Nielsen, S. B. (2008).
Stability of the three tetracoordinated dianions Ni(CN)2-4 , Cr(SCN)2-4 , and Cu(N3)2-4 .
Chemical Physics,
353, 189-192.
Ryhding, T., Kirketerp, M.-B. S., Kadhane, U., Lykkegaard, M. K., Panja, S.
, Nielsen, S. B. & Nielsen, M. B. (2008).
Upon the intrinsic optical properties of oligo(p-phenyleneethynylene)s (OPEs). Synthesis of OPE3 for experimental gas-phase absorption studies.
Tetrahedron,
64, 11475-11479.
Panja, S., Kadhane, U., Andersen, J. U., Holm, A. I. S.
, Hvelplund, P., Kirketerp, M.-B. S.
, Nielsen, S. B., Støchkel, K., Compton, R. N., Forster, J. S., Kilså, K. & Nielsen, M. B. (2007).
Dianions of 7,7,8,8-tetracyano-p-quinodimethane and perfluorinated tetracyanoquinodimethane: Information on excited states from lifetime measurements in an electrostatic storage ring and optical absorption spectroscopy.
Journal of Chemical Physics,
127(124301).
Hvelplund, P., Nielsen, S. B., Panja, S., Poully, J.-C., Støchkel, K. & Liu, B. (2007).
Electron capture induced dissociation of peptide ions: Identification of neutral fragments from secondary collisions with cesium vapor.
International Journal of Mass Spectrometry,
263, 66-70.
Hvelplund, P., Lui, B.
, Nielsen, S. B. & Tomita, S. (2007).
Formation of higher-order fullerene dianions in collisions with Na atoms.
The European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics,
43, 133-136.
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.
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
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.
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.