Publications of Gert von Helden

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

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).