Publications of Gert von Helden

Journal Article (133)

2025
Journal Article
Dahlmann, Franziska, Caleb E. Griesbach, América Y. Torres-Boy, Gert von Helden, Mark W. Peczuh, Kevin Pagel and Kim Greis: Direct Experimental Characterization of a Sialyl Cation.
Journal Article
Seo, Jongcheol, Doui Kim, Sandy Gewinner, Wieland Schöllkopf, Michael T. Bowers, Kevin Pagel and Gert von Helden: Infrared multiple photon dissociation spectroscopy of protonated amino acid clusters with non-interacting side chains in the gas phase.
Journal Article
Torres-Boy, América Y., Martin Taccone, Katja Ober, Myles B.T. Osenton, Gerard Meijer, Gert von Helden and Bruno Martínez-Haya: Spectroscopic investigation of proton bonding at sub-kelvin temperatures.
2024
Journal Article
Chang, Chun-Wei, Kim Greis, Gurpur Rakesh D. Prabhu, Dana Wehner, Carla Kirschbaum, Katja Ober, América Y. Torres-Boy, Sabrina Leichnitz, Gerard Meijer, Gert von Helden, Peter H. Seeberger and Kevin Pagel: Mechanistic insight into benzylidene-directed glycosylation reactions using cryogenic infrared spectroscopy.
Journal Article
Jara-Toro, Rafael A., Martin I. Taccone, Jordab Dezalay, Jennifer A. Noble, Gert von Helden and Gustavo A. Pino: Observation of a core-excited dipole-bound state ∼1 eV above the electron detachment threshold in cryogenically cooled acetylacetonate.
Journal Article
Kirschbaum, Carla, Kim Greis, Sandy Gewinner, Wieland Schöllkopf, Gerard Meijer, Gert von Helden, Kevin Pagel and Leonhard H. Urner: Structure and Conformation Determine Gas-Phase Infrared Spectra of Detergents.
Journal Article
Kirschbaum, Carla, Kim Greis, América Y. Torres-Boy, Jerome Riedel, Sandy Gewinner, Wieland Schöllkopf, Gerard Meijer, Gert von Helden and Kevin Pagel: Studying the Intrinsic Reactivity of Chromanes by Gas-Phase Infrared Spectroscopy.
Journal Article
Meijer, Gerard and Gert von Helden: Metal Monoxide Abundances as a Function of the C/O Ratio.
Journal Article
Safferthal, Marc, Kim Greis, Rayoon Chang, Chun-Wei Chang, Waldemar Hoffmann, Gerard Meijer, Gert von Helden and Kevin Pagel: The impact of side-chain fluorination on proton-bound phenylalanine dimers: a cryogenic infrared spectroscopic study.
Journal Article
Torres-Boy, América Y., Martin Taccone, Carla Kirschbaum, Katja Ober, Tamar Stein, Gerard Meijer and Gert von Helden: Investigation of the Proton-Bound Dimer of Dihydrogen Phosphate and Formate Using Infrared Spectroscopy in Helium Droplets.
2023
Journal Article
Greis, Kim, Caleb E. Griesbach, Carla Kirschbaum, Gerard Meijer, Gert von Helden, Kevin Pagel and Mark W. Peczuh: Characterization and Fate of a Septanosyl Ferrier Cation in the Gas and Solution Phases.
Journal Article
Greis, Kim, Carla Kirschbaum, Katja Ober, Martin Taccone, América Y. Torres-Boy, Gerard Meijer, Kevin Pagel and Gert von Helden: Infrared Spectroscopy of Fluorenyl Cations at Cryogenic Temperatures.
Journal Article
Kirschbaum, Carla, Reuben S.E. Young, Kim Greis, Jan Philipp Menzel, Sandy Gewinner, Wieland Schöllkopf, Gerard Meijer, Gert von Helden, Tim Causon, Venkateswara R. Narreddula, Berwyck L.J. Poad, Stephen J. Blanksby and Kevin Pagel: Establishing carbon-carbon double bond position and configuration in unsaturated fatty acids by gas-phase infrared spectroscopy.
Journal Article
Lettow, Maike, Kim Greis, Eike Mucha, Tyler R. Lambeth, Murat Yaman, Vasilis Kontodimas, Christian Manz, Waldemar Hoffmann, Gerard Meijer, Ryan R. Julian, Gert von Helden, Mateusz R. Marianski and Kevin Pagel: Decoding the Fucose Migration Product during Mass-Spectrometric Analysis of Blood Group Epitopes.
Journal Article
Riedel, Jerome, Maike Lettow, Márkó Grabarics, Michael Götze, Rebecca L. Miller, Geert-Jan Boons, Gerard Meijer, Gert von Helden, Gergő Péter Szekeres and Kevin Pagel: Predicting Structural Motifs of Glycosaminoglycans using Cryogenic Infrared Spectroscopy and Random Forest.
Journal Article
Safferthal, Marc, Kim Greis, Rayoon Chang, Carla Kirschbaum, Waldemar Hoffmann, Gerard Meijer, Gert von Helden and Kevin Pagel: Cryogenic infrared spectroscopy reveals remarkably short NH+⋯F hydrogen bonds in fluorinated phenylalanines.
Journal Article
Taccone, Martin, Daniel Thomas, Katja Ober, Sandy Gewinner, Wieland Schöllkopf, Gerard Meijer and Gert von Helden: Infrared action spectroscopy of the deprotonated formic acid trimer, trapped in helium nanodroplets.
2022
Journal Article
Greis, Kim, Carla Kirschbaum, Giulio Fittolani, Eike Mucha, Rayoon Chang, Gert von Helden, Gerard Meijer, Martina Delbianco, Peter H. Seeberger and Kevin Pagel: Neighboring Group Participation of Benzoyl Protecting Groups in C3- and C6-Fluorinated Glucose.
Journal Article
Greis, Kim, Carla Kirschbaum, Gert von Helden and Kevin Pagel: Gas-phase infrared spectroscopy of glycans and glycoconjugates.
Journal Article
Greis, Kim, Carla Kirschbaum, Martin Taccone, Michael Götze, Sandy Gewinner, Wieland Schöllkopf, Gerard Meijer, Gert von Helden and Kevin Pagel: Studying the Key Intermediate of RNA Autohydrolysis by Cryogenic Gas-Phase Infrared Spectroscopy.
Go to Editor View