Publications of Gert von Helden
All genres
Journal Article (131)
Journal Article
, K. Greis, R. Chang, C. Kirschbaum, W. Hoffmann, G. Meijer, G.von Helden and K. Pagel: Cryogenic infrared spectroscopy reveals remarkably short NH+⋯F hydrogen bonds in fluorinated phenylalanines. Physical Chemistry Chemical Physics 25 (36), 24783–24788 (2023).
Journal Article
M. Lettow, K. Greis, E. Mucha, , , , C. Manz, W. Hoffmann, G. Meijer, , G.von Helden, and K. Pagel: Decoding the Fucose Migration Product during Mass-Spectrometric Analysis of Blood Group Epitopes. Angewandte Chemie International Edition 62 (24), e202302883 (2023).
Journal Article
K. Greis, , C. Kirschbaum, G. Meijer, G.von Helden, K. Pagel and : Characterization and Fate of a Septanosyl Ferrier Cation in the Gas and Solution Phases. The Journal of Organic Chemistry 88 (9), 5543–5553 (2023).
Journal Article
M. Taccone, D. Thomas, K. Ober, S. Gewinner, W. Schöllkopf, G. Meijer and G.von Helden: Infrared action spectroscopy of the deprotonated formic acid trimer, trapped in helium nanodroplets. Physical Chemistry Chemical Physics 25 (15), 10907–10916 (2023).
Journal Article
J. Riedel, M. Lettow, M. Grabarics, M. Götze, , , G. Meijer, G.von Helden, G.P. Szekeres and K. Pagel: Predicting Structural Motifs of Glycosaminoglycans using Cryogenic Infrared Spectroscopy and Random Forest. Journal of the American Chemical Society 145 (14), 7859–7868 (2023).
Journal Article
C. Kirschbaum, , K. Greis, , S. Gewinner, W. Schöllkopf, G. Meijer, G.von Helden, , , , and K. Pagel: Establishing carbon-carbon double bond position and configuration in unsaturated fatty acids by gas-phase infrared spectroscopy. Chemical Science 14 (10), 2518–2527 (2023).
Journal Article
K. Greis, , C. Kirschbaum, , , G. Meijer, G.von Helden, and K. Pagel: The Influence of the Electron Density in Acyl Protecting Groups on the Selectivity of Galactose Formation. Journal of the American Chemical Society 144 (44), 20258–20266 (2022).
Journal Article
C. Kirschbaum, K. Greis, S. Gewinner, W. Schöllkopf, G. Meijer, G.von Helden and K. Pagel: Cryogenic infrared spectroscopy provides mechanistic insight into the fragmentation of phospholipid silver adducts. Analytical and Bioanalytical Chemistry 414 (18), 5275–5285 (2022).
Journal Article
K. Greis, C. Kirschbaum, M. Taccone, , S. Gewinner, W. Schöllkopf, G. Meijer, G.von Helden and K. Pagel: Studying the Key Intermediate of RNA Autohydrolysis by Cryogenic Gas-Phase Infrared Spectroscopy. Angewandte Chemie International Edition 61 (19), e202115481 (2022).
Journal Article
K. Greis, C. Kirschbaum, M. Taccone, , S. Gewinner, W. Schöllkopf, G. Meijer, G.von Helden and K. Pagel: Untersuchung des reaktiven Intermediats der RNA Autohydrolyse mittels kryogener Infrarotspektroskopie in der Gasphase. Angewandte Chemie 134 (19), e202115481 (2022).
Journal Article
K. Greis, C. Kirschbaum, , E. Mucha, R. Chang, G.von Helden, G. Meijer, , and K. Pagel: Neighboring Group Participation of Benzoyl Protecting Groups in C3- and C6-Fluorinated Glucose. European Journal of Organic Chemistry 2022 (15), e202200255 (2022).
Journal Article
K. Greis, C. Kirschbaum, G.von Helden and K. Pagel: Gas-phase infrared spectroscopy of glycans and glycoconjugates. Current Opinion in Structural Biology 72, 194–202 (2022).
Journal Article
D. Thomas, M. Taccone, K. Ober, E. Mucha, G. Meijer and G.von Helden: Helium Nanodroplet Infrared Action Spectroscopy of the Proton-Bound Dimer of Hydrogen Sulfate and Formate: Examining Nuclear Quantum Effects. The Journal of Physical Chemistry A 125 (42), 9279–9287 (2021).
Journal Article
C. Kirschbaum, K. Greis, L. Polewski, S. Gewinner, W. Schöllkopf, G. Meijer, G.von Helden and K. Pagel: Unveiling Glycerolipid Fragmentation by Cryogenic Infrared Spectroscopy. Journal of the American Chemical Society 143 (36), 14827–14834 (2021).
Journal Article
M. Grabarics, M. Lettow, , G.von Helden, and K. Pagel: Plate-height model of ion mobility-mass spectrometry: Part 2-Peak-to-peak resolution and peak capacity. Journal of Separation Science 44 (14), 2798–2813 (2021).
Journal Article
C. Kirschbaum, K. Greis, M. Lettow, S. Gewinner, W. Schöllkopf, G. Meijer, G.von Helden and K. Pagel: Non-covalent double bond sensors for gas-phase infrared spectroscopy of unsaturated fatty acids. Analytical and Bioanalytical Chemistry 413 (14), 3643–3653 (2021).
Journal Article
M. Lettow, K. Greis, M. Grabarics, J. Horlebein, , G. Meijer, G.von Helden and K. Pagel: Chondroitin Sulfate Disaccharides in the Gas Phase: Differentiation and Conformational Constraints. The Journal of Physical Chemistry A 125 (20), 4373–4379 (2021).
Journal Article
C. Kirschbaum, K. Greis, E. Mucha, , , , S. Gewinner, W. Schöllkopf, G.von Helden, G. Meijer, , , and K. Pagel: Unravelling the structural complexity of glycolipids with cryogenic infrared spectroscopy. Nature Communications 12 (1), 1201 (2021).
Journal Article
K. Greis, C. Kirschbaum, , S. Gewinner, W. Schöllkopf, G.von Helden, G. Meijer, and K. Pagel: Direct Experimental Characterization of the Ferrier Glycosyl Cation in the Gas Phase. Organic Letters 22 (22), 8916–8919 (2020).
Journal Article
M. Grabarics, M. Lettow, , G.von Helden, and K. Pagel: Plate-height model of ion mobility-mass spectrometry. Analyst 145 (19), 6313–6333 (2020).