Institut for Fysik og Astronomi

Aarhus Universitets segl

Publications

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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
Madsen, M. M., Jones, N. C., Nielsen, S. B. & Hoffmann, S. V. (2016). On the wavelength dependence of UV induced thymine photolesions: A Synchrotron Radiation Circular Dichroism study. Physical Chemistry Chemical Physics, 18, 30436-30443. https://doi.org/10.1039/C6CP05980E
Kjaer, C., Stockett, M. H., Pedersen, B. M. & Nielsen, S. B. (2016). Strong Impact of an Axial Ligand on the Absorption by Chlorophyll a and b Pigments Determined by Gas-Phase Ion Spectroscopy Experiments. The Journal of Physical Chemistry Part B, 120(47), 12105-12110. https://doi.org/10.1021/acs.jpcb.6b10547
Stockett, M. H. & Nielsen, S. B. (2016). Transition energies of benzoquinone anions are immune to symmetry breaking by a single water molecule. Physical Chemistry Chemical Physics, 18(10), 6996-7000. https://doi.org/10.1039/c5cp06095h
Stockett, M. H. & Nielsen, S. B. (2015). Communication: Does a single CH3CN molecule attached to Ru(bipy)32+ 3 affect its absorption spectrum? Journal of Chemical Physics, 142(17), Artikel 171102. https://doi.org/10.1063/1.4919781
Houmøller, J., Wanko, M., Rubio, A. & Nielsen, S. B. (2015). Effect of a Single Water Molecule on the Electronic Absorption by o- and p-Nitrophenolate: A Shift to the Red or to the Blue? Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, 119(47), 11498-503. https://doi.org/10.1021/acs.jpca.5b08634
Feketeová, L., Khairallah, G. N., O'Hair, R. A. J. & Nielsen, S. B. (2015). Gas-phase fragmentation of deprotonated tryptophan and its clusters [Trpn-H]-induced by different activation methods. Rapid Communications in Mass Spectrometry, 29(15), 1395-1402. https://doi.org/10.1002/rcm.7233
Elm, J., Stockett, M., Houmøller, J., Petersen, M. Å., Mikkelsen, K. V., Nielsen, M. B. & Nielsen, S. B. (2015). Gas-phase spectroscopy of a vinylheptafulvene chromophore. European Journal of Mass Spectrometry, 21, 569-577. https://doi.org/10.1255/ejms.1320
Byskov, C. S., Weber, J. M. & Nielsen, S. B. (2015). Gas-phase spectroscopy of singly reduced tris(bipyridine)ruthenium ions, Ru(bipy)3(+). Physical Chemistry Chemical Physics, 17, 5561-5564. https://doi.org/10.1039/c4cp05477f
Byskov, C. S. & Nielsen, S. B. (2015). On the formation, stability, and dissociation of peptide radicals after femtosecond electron transfer from alkali metal atoms. International Journal of Mass Spectrometry, 390, 2-13. https://doi.org/10.1016/j.ijms.2015.05.014
Stockett, M. H., Musbat, L., Kjær, C., Houmøller, J., Toker, Y., Rubio, A., Milne, B. F. & Brøndsted Nielsen, S. (2015). The Soret absorption band of isolated chlorophyll a and b tagged with quaternary ammonium ions. Physical Chemistry Chemical Physics, 17, 25793-25798. https://doi.org/10.1039/c5cp01513h
Milne, B. F., Toker, Y., Rubio, A. & Nielsen, S. B. (2015). Unraveling the intrinsic color of chlorophyll. Angewandte Chemie International Edition, 54(7), 2170-2173. https://doi.org/10.1002/anie.201410899
Christensen, M. A., Della Pia, E. A., Houmøller, J., Thomsen, S. D., Wanko, M., Bond, A. D., Rubio, A., Nielsen, S. B. & Nielsen, M. B. (2014). Cross-Conjugation vs. Linear Conjugation in Donor–Bridge–Acceptor Nitrophenol Chromophores. European Journal of Organic Chemistry, 2014(10), 2044-2052. https://doi.org/10.1002/ejoc.201301642
Nielsen, S. B. (2014). Interactions between Nucleic Acid Ions and Electrons and Photons. I V. Gabelica (red.), Nucleic Acids in the Gas Phase (s. 77-102). Springer. https://doi.org/10.1007/978-3-642-54842-0_4
Wyer, J. A., Kristensen, M. B., Jones, N. C., Hoffmann, S. V. & Nielsen, S. B. (2014). Kinetics of DNA duplex formation: A-tracts versus AT-tracts. Physical Chemistry Chemical Physics, 16(35), 18827-18839. https://doi.org/10.1039/c4cp02252a
Baggesen, L. M., Hoffmann, S. V. & Nielsen, S. B. (2014). On the Formation of Thymine Photodimers in Thymine Single Strands and Calf Thymus DNA. Photochemistry and Photobiology, 90(1), 99-106. https://doi.org/10.1111/php.12183
Byskov, C. S., Jensen, F., Jørgensen, T. J. D. & Nielsen, S. B. (2014). On the photostability of peptides after selective photoexcitation of the backbone: Prompt versus slow dissociation. Physical Chemistry Chemical Physics, 16(30), 15831-15838. https://doi.org/10.1039/c4cp02015d
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
Nielsen, S. B., Nielsen, M. B. & Rubio, A. (2014). Spectroscopy of nitrophenolates in vacuo: effect of spacer, configuration, and microsolvation on the charge-transfer excitation energy. Accounts of Chemical Research, 47(4), 1417-25. https://doi.org/10.1021/ar500025h
Pedersen, S. Ø., Byskov, C. S., Turecek, F. & Nielsen, S. B. (2014). Structures of protonated thymine and uracil and their monohydrated gas-phase ions from ultraviolet action spectroscopy and theory. Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, 118(24), 4256-4265. https://doi.org/10.1021/jp504153p
Nielsen (Baggesen), L. M., Hoffmann, S. V. & Nielsen, S. B. (2013). Electronic coupling between photo-excited stacked bases in DNA and RNA strands with emphasis on the bright states initially populated. Photochemical & Photobiological Sciences, 12(8), 1273-1285. https://doi.org/10.1039/c3pp25438k
Nielsen, S. B. (2013). Fluorescence from Gas-Phase Biomolecular Ions. I S. B. Nielsen & J. A. Wyer (red.), Photophysics of Ionic Biochromophores (s. 105-116). Springer. https://doi.org/10.1007/978-3-642-40190-9_6
Wyer, J. A., Jørgensen, A., Pedersen, B. & Nielsen, S. B. (2013). Gas-phase spectroscopy of ferric heme-NO complexes. ChemPhysChem, 14(18), 4109-4113. https://doi.org/10.1002/cphc.201300843
Pedersen, S. O., Støchkel, K., Byskov, C. S., Nielsen, L. M. & Nielsen, S. B. (2013). Gas-phase spectroscopy of protonated adenine, adenosine 5′-monophosphate and monohydrated ions. Physical Chemistry Chemical Physics, 15(45), 19748-19752. https://doi.org/10.1039/c3cp53742k
Nielsen, S. B. & Wyer, J. (2013). General Concepts. I S. B. Nielsen & J. A. Wyer (red.), Photophysics of Ionic Biochromophores (s. 1-10). Springer. https://doi.org/10.1007/978-3-642-40190-9_1
Nielsen, S. B. (2013). Introduction and New Aspects. I S. B. Nielsen & J. A. Wyer (red.), Photophysics of Ionic Biochromophores (s. 11-19). Springer. https://doi.org/10.1007/978-3-642-40190-9_2
MacLot, S., Rangama, J., Nielsen, S. B. & Poully, J.-C. (2013). Nanosolvation by acetonitrile and 18-crown-6 ether induce strongly different effects on the electron-capture induced dissociation of aromatic tripeptide cations in the gas phase. International Journal of Mass Spectrometry, 337, 1-11. https://doi.org/10.1016/j.ijms.2012.12.014
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
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
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
Nielsen, S. B. & Wyer, J. (2013). Photophysics of Ionic Biochromophores. Springer. Physical Chemistry in Action https://doi.org/10.1007/978-3-642-40190-9
Toker, J., Rahbek, D. B., Kiefer, H. V., Rajput, J., Antoine, R., Dugourd, P., Nielsen, S. B., Bochenkova, A. V. & Andersen, L. H. (2013). Photoresponse of the protonated Schiff-base retinal chromophore in the gas phase. Physical Chemistry Chemical Physics, 15, 19566-19569. https://doi.org/10.1039/c3cp51759d
Wyer, J. & Nielsen, S. B. (2013). Spectroscopy of Ferric Heme and Protoporphyrin IX Ions In Vacuo. I S. B. Nielsen & J. A. Wyer (red.), Photophysics of Ionic Biochromophores (s. 117-139). Springer. https://doi.org/10.1007/978-3-642-40190-9_7
Mathias Weber, J., Marcum, J. & Nielsen, S. B. (2013). UV Photophysics of DNA and RNA Nucleotides In Vacuo: Dissociation Channels, Time Scales, and Electronic Spectra. I S. B. Nielsen & J. A. Wyer (red.), Photophysics of Ionic Biochromophores (s. 181-207). Springer. https://doi.org/10.1007/978-3-642-40190-9_10
Nielsen, L. M., Pedersen, S. O., Kirketerp, M.-BS. & Nielsen, S. B. (2012). Absorption by DNA single strands of adenine isolated in vacuo: The role of multiple chromophores. Journal of Chemical Physics, 136(6). https://doi.org/10.1063/1.3679444
Wyer, J. & Nielsen, S. B. (2012). Absorption by Isolated Ferric Heme Nitrosyl Cations In Vacuo. Angewandte Chemie International Edition, 51(41), 10256-10260. https://doi.org/10.1002/anie.201206213
Wyer, J. A., Støchkel, K. & Brøndsted Nielsen, S. (2012). Collisional electron transfer to photoexcited acceptor radical anions. Journal of Chemical Physics, 136(8), 084303. https://doi.org/10.1063/1.3682245
Kelly, O., Calvert, C. R., Greenwood, J. B., Zettergren, H., Nielsen, S. B. & Wyer, J. A. (2012). Effects of Charge Location on the Absorptions and Lifetimes of Protonated Tyrosine Peptides in Vacuo. Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, 116(7), 1701-1709. https://doi.org/10.1021/jp208578w
Holm, A., Nielsen, L. M., Hoffmann, S. V. & Nielsen, S. B. (2012). On the Formation of the Double Helix Between Adenine Single Strands at Acidic pH from Synchrotron Radiation Circular Dichroism Experiments. Biopolymers, 97(7), 550-557. https://doi.org/10.1002/bip.22038
Nielsen, L. M., Hoffmann, S. V. & Nielsen, S. B. (2012). Probing electronic coupling between adenine bases in RNA strands from synchrotron radiation circular dichroism experiments. Chemical Communications, 48, 10425–10427. https://doi.org/10.1039/c2cc35201j
Wanko, M., Houmøller, J., Støchkel, K., Suhr Kirketerp, M.-B., Petersen, M. Å., Nielsen, M. B., Nielsen, S. B. & Rubio, A. (2012). Substitution effects on the absorption spectra of nitrophenolate isomers. Physical Chemistry Chemical Physics, 14(37), 12905-11. https://doi.org/10.1039/c2cp41636k
Nielsen, L. M., Hoffmann, S. V. & Nielsen, S. B. (2012). Vacuum-ultraviolet circular dichroism reveals DNA duplex formation between short strands of adenine and thymine. Physical Chemistry Chemical Physics, 14(43), 15054-15059. https://doi.org/10.1039/c2cp42226c
Støchkel, K., Nielsen, S. B. & Milne, B. F. (2011). Absorption spectrum of the firefly luciferin anion isolated in vacuo. Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, 115(11), 2155-2159. https://doi.org/10.1021/jp110120c
Moss, C. L., Chung, T. W., Wyer, J., Nielsen, S. B., Hvelplund, P. & Turecek, F. (2011). Dipole-Guided Electron Capture Causes Abnormal Dissociations of Phosphorylated Pentapeptides. Journal of The American Society for Mass Spectrometry, 22, 731-751. https://doi.org/10.1007/s13361-011-0083-2
Nielsen, L. M., Nielsen, S. B., Hoffmann, S. V. & Holm, A. I. S. (2011). Effect of introducing thymine spacers into an adenine strand: Electronic decoupling? Journal of Photochemistry and Photobiology, A: Chemistry, 220(1), 1-3. https://doi.org/10.1016/j.jphotochem.2011.02.013
Jensen, C. S., Wyer, J. A., Houmøller, J., Hvelplund, P. & Nielsen, S. B. (2011). Electron-capture induced dissociation of doubly charged dipeptides: on the neutral losses and N-Cα bond cleavages. Physical Chemistry Chemical Physics, 13(41), 18373-8. https://doi.org/10.1039/c1cp21549c
Wyer, J. A., Byskov, C. S. & Nielsen, S. B. (2011). Gas-phase action spectroscopy of protoporphyrin IX (PP) and zinc-PP anions from 210 nm to 720 nm. International Journal of Mass Spectrometry, 308(1), 126-132. https://doi.org/10.1016/j.ijms.2011.08.015
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
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
Kirketerp, M.-B. S., Ryhding, T., Støchkel, K., Brøndsted Nielsen, M. & Nielsen, S. B. (2011). Role of Nearby Charges on the Electronic Structure of π-Conjugated Molecules: Symmetric versus Asymmetric Charge Distributions in Oligo(p-phenyleneethynylene). Journal of Physical Chemistry, A(115), 1222-1227. https://doi.org/10.1021/jp111134t

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Revideret 29.01.2024
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Karin Vittrup