Publications of Gert von Helden

Journal Article (116)

2022
Journal Article
Greis, K., C. Kirschbaum, G. Fittolani, E. Mucha, R. Chang, G.von Helden, G. Meijer, M. Delbianco, P.H. Seeberger 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
Greis, K., 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
Greis, K., C. Kirschbaum, M. Taccone, M. Götze, 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
Greis, K., C. Kirschbaum, M. Taccone, M. Götze, 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
Greis, K., S. Leichnitz, C. Kirschbaum, C.-W. Chang, M.-H. Lin, G. Meijer, G.von Helden, P.H. Seeberger 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
Kirschbaum, C., 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).
2021
Journal Article
Grabarics, M., M. Lettow, A.T. Kirk, G.von Helden, T.J. Causon 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
Kirschbaum, C., 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
Kirschbaum, C., K. Greis, E. Mucha, L. Kain, S. Deng, A. Zappe, S. Gewinner, W. Schöllkopf, G.von Helden, G. Meijer, P.B. Savage, M. Marianski, L. Teyton and K. Pagel: Unravelling the structural complexity of glycolipids with cryogenic infrared spectroscopy. Nature Communications 12 (1), 1201 (2021).
Journal Article
Kirschbaum, C., 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
Lettow, M., K. Greis, M. Grabarics, J. Horlebein, R.L. Miller, 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
Thomas, D., 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).
2020
Journal Article
Grabarics, M., M. Lettow, A.T. Kirk, G.von Helden, T.J. Causon and K. Pagel: Plate-height model of ion mobility-mass spectrometry. Analyst 145 (19), 6313–6333 (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).
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