Publications of Gert von Helden

Journal Article (123)

2020
Journal Article
Greis, K., C. Kirschbaum, S. Leichnitz, S. Gewinner, W. Schöllkopf, G.von Helden, G. Meijer, P.H. Seeberger and K. Pagel: Direct Experimental Characterization of the Ferrier Glycosyl Cation in the Gas Phase. Organic Letters 22 (22), 8916–8919 (2020).
Journal Article
Greis, K., E. Mucha, M. Lettow, D. Thomas, C. Kirschbaum, S. Moon, A. Pardo-Vargas, G.von Helden, G. Meijer, K. Gilmore, P.H. Seeberger and K. Pagel: The Impact of Leaving Group Anomericity on the Structure of Glycosyl Cations of Protected Galactosides. ChemPhysChem 21 (17), 1905–1907 (2020).
Journal Article
Kirschbaum, C., E.M. Saied, K. Greis, E. Mucha, S. Gewinner, W. Schöllkopf, G. Meijer, G.von Helden, B.L.J. Poad, S.J. Blanksby, C. Arenz and K. Pagel: Resolving Sphingolipid Isomers Using Cryogenic Infrared Spectroscopy. Angewandte Chemie International Edition 59 (32), 13638–13642 (2020).
Journal Article
Lettow, M., M. Grabarics, K. Greis, E. Mucha, D. Thomas, P. Chopra, G.-J. Boons, R. Karlsson, J.E. Turnbull, G. Meijer, R.L. Miller, G.von Helden and K. Pagel: Cryogenic Infrared Spectroscopy Reveals Structural Modularity in the Vibrational Fingerprints of Heparan Sulfate Diastereomers. Analytical Chemistry 92 (15), 10228–10232 (2020).
Journal Article
Lettow, M., M. Grabarics, E. Mucha, D. Thomas, L. Polewski, J. Freyse, J. Rademann, G. Meijer, G.von Helden and K. Pagel: IR action spectroscopy of glycosaminoglycan oligosaccharides. Analytical and Bioanalytical Chemistry 412 (3), 533–537 (2020).
Journal Article
Marianski, M., E. Mucha, K. Greis, S.-Y. Moon, A. Pard, C. Kirschbaum, D. Thomas, G. Meijer, G.von Helden, K. Gilmore, P.H. Seeberger and K. Pagel: Remote Participation during Glycosylation Reactions of Galactose Building Blocks: Direct Evidence from Cryogenic Vibrational Spectroscopy. Angewandte Chemie International Edition 59 (15), 6166–6171 (2020).
Journal Article
Thomas, D., R. Chang, E. Mucha, M. Lettow, K. Greis, S. Gewinner, W. Schöllkopf, G. Meijer and G.von Helden: Probing the conformational landscape and thermochemistry of DNA dinucleotide anions via helium nanodroplet infrared action spectroscopy. Physical Chemistry Chemical Physics 22 (33), 18400–18413 (2020).
2019
Journal Article
Hoffmann, W., J. Langenhan, S. Huhmann, J. Moschner, R. Chang, M. Accorsi, J. Seo, Rademann Jörg, G. Meijer, B. Koksch, M.T. Bowers, G.von Helden and K. Pagel: An Intrinsic Hydrophobicity Scale for Amino Acids and Its Application to Fluorinated Compounds. Angewandte Chemie International Edition 58 (24), 8216–8220 (2019).
Journal Article
Lee, J.B., M.H. Jeon, J.K. Seo, G.von Helden, J.-U. Rohde, B.S. Zhao, J. Seo and S.Y. Hong: Annulative π-Extension of Unactivated Benzene Derivatives through Nondirected C-H Arylation. Organic Letters 21 (17), 7004–7008 (2019).
Journal Article
Lettow, M., E. Mucha, C. Manz, D. Thomas, M. Marianski, G. Meijer, G.von Helden and K. Pagel: The role of the mobile proton in fucose migration. Analytical and Bioanalytical Chemistry 411 (19), 4637–4645 (2019).
Journal Article
Marianski, M., J. Seo, E. Mucha, D. Thomas, S. Jung, R. Schlögl, G. Meijer, A. Trunschke and G.von Helden: Structural Characterization of Molybdenum Oxide Nanoclusters Using Ion Mobility Spectrometry-Mass Spectrometry and Infrared Action Spectroscopy. The Journal of Physical Chemistry C 123 (13), 7845–7853 (2019).
Journal Article
Thomas, D., E. Mucha, M. Lettow, G. Meijer, M. Rossi and G.von Helden: Characterization of a trans-trans Carbonic Acid-Fluoride Complex by Infrared Action Spectroscopy in Helium Nanodroplets. Journal of the American Chemical Society 141 (14), 5815–5823 (2019).
2018
Journal Article
Hoffmann, W., K. Folmert, J. Moschner, X. Huang, H. von Berlepsch, B. Koksch, M.T. Bowers, G.von Helden and K. Pagel: NFGAIL Amyloid Oligomers: The Onset of Beta-Sheet Formation and the Mechanism for Fibril Formation. Journal of the American Chemical Society 140 (1), 244–249 (2018).
Journal Article
Mucha, E., M. Lettow, M. Marianski, D. Thomas, W.B. Struwe, D.J. Harvey, G. Meijer, P.H. Seeberger, G.von Helden and K. Pagel: Fucose Migration in Intact Protonated Glycan Ions: A Universal Phenomenon in Mass Spectrometry. Angewandte Chemie International Edition 57 (25), 7440–7443 (2018).
Journal Article
Mucha, E., M. Marianski, F.-F. Xu, D. Thomas, G. Meijer, G.von Helden, P.H. Seeberger and K. Pagel: Unravelling the structure of glycosyl cations via cold-ion infrared spectroscopy. Nature Communications 9, 4174 (2018).
Journal Article
Scutelnic, V., M.A.S. Perez, M. Marianski, S. Warnke, A. Gregor, U. Rothlisberger, M.T. Bowers, C. Baldauf, G.von Helden, T.R. Rizzo and J. Seo: The Structure of the Protonated Serine Octamer. Journal of the American Chemical Society 140 (24), 7554–7560 (2018).
Journal Article
Seo, J., W. Hoffmann, S. Malerz, S. Warnke, M.T. Bowers, K. Pagel and G.von Helden: Side-chain effects on the structures of protonated amino acid dimers: A gas-phase infrared spectroscopy study. International Journal of Mass Spectrometry 429, 115–120 (2018).
Journal Article
Thomas, D., M. Marianski, E. Mucha, G. Meijer, M.A. Johnson and G.von Helden: Ground‐State Structure of the Proton‐Bound Formate Dimer by Cold‐Ion Infrared Action Spectroscopy. Angewandte Chemie International Edition 57 (33), 10615–10619 (2018).
Journal Article
Thomas, D., E. Mucha, S. Gewinner, W. Schöllkopf, G. Meijer and G.von Helden: Vibrational Spectroscopy of Fluoroformate, FCO2-, Trapped in Helium Nanodroplets. The Journal of Physical Chemistry Letters 9 (9), 2305–2310 (2018).
2017
Journal Article
Hoffmann, W., G.von Helden and K. Pagel: Ion mobility-mass spectrometry and orthogonal gas-phase techniques to study amyloid formation and inhibition. Current Opinion in Structural Biology 46, 7–15 (2017).
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