Publications of Gert von Helden

Journal Article (123)

2020
Journal Article
Greis, Kim, Carla Kirschbaum, Sabrina Leichnitz, Sandy Gewinner, Wieland Schöllkopf, Gert von Helden, Gerard Meijer, Peter H. Seeberger and Kevin Pagel: Direct Experimental Characterization of the Ferrier Glycosyl Cation in the Gas Phase.
Journal Article
Greis, Kim, Eike Mucha, Maike Lettow, Daniel Thomas, Carla Kirschbaum, Sooyeon Moon, Alonso Pardo-Vargas, Gert von Helden, Gerard Meijer, Kerry Gilmore, Peter H. Seeberger and Kevin Pagel: The Impact of Leaving Group Anomericity on the Structure of Glycosyl Cations of Protected Galactosides.
Journal Article
Kirschbaum, Carla, Essa M. Saied, Kim Greis, Eike Mucha, Sandy Gewinner, Wieland Schöllkopf, Gerard Meijer, Gert von Helden, Berwyck L.J. Poad, Stephen J. Blanksby, Christoph Arenz and Kevin Pagel: Resolving Sphingolipid Isomers Using Cryogenic Infrared Spectroscopy.
Journal Article
Lettow, Maike, Márkó Grabarics, Kim Greis, Eike Mucha, Daniel Thomas, Pradeep Chopra, Geert-Jan Boons, Richard Karlsson, Jeremy E. Turnbull, Gerard Meijer, Rebecca L. Miller, Gert von Helden and Kevin Pagel: Cryogenic Infrared Spectroscopy Reveals Structural Modularity in the Vibrational Fingerprints of Heparan Sulfate Diastereomers.
Journal Article
Lettow, Maike, Márkó Grabarics, Eike Mucha, Daniel Thomas, Lukasz Polewski, Joanna Freyse, Jörg Rademann, Gerard Meijer, Gert von Helden and Kevin Pagel: IR action spectroscopy of glycosaminoglycan oligosaccharides.
Journal Article
Marianski, Mateusz, Eike Mucha, Kim Greis, Soo-Yeon Moon, Alonso Pard, Carla Kirschbaum, Daniel Thomas, Gerard Meijer, Gert von Helden, Kerry Gilmore, Peter H. Seeberger and Kevin Pagel: Remote Participation during Glycosylation Reactions of Galactose Building Blocks: Direct Evidence from Cryogenic Vibrational Spectroscopy.
Journal Article
Thomas, Daniel, Rayoon Chang, Eike Mucha, Maike Lettow, Kim Greis, Sandy Gewinner, Wieland Schöllkopf, Gerard Meijer and Gert von Helden: Probing the conformational landscape and thermochemistry of DNA dinucleotide anions via helium nanodroplet infrared action spectroscopy.
2019
Journal Article
Hoffmann, Waldemar, Jennifer Langenhan, Susanne Huhmann, Johann Moschner, Rayoon Chang, Matteo Accorsi, Jongcheol Seo, Rademann Jörg, Gerard Meijer, Beate Koksch, Michael T. Bowers, Gert von Helden and Kevin Pagel: An Intrinsic Hydrophobicity Scale for Amino Acids and Its Application to Fluorinated Compounds.
Journal Article
Lee, Jae Bin, Min Ho Jeon, Jeong Kon Seo, Gert von Helden, Jan-Uwe Rohde, Bum Suk Zhao, Jongcheol Seo and Sung You Hong: Annulative π-Extension of Unactivated Benzene Derivatives through Nondirected C-H Arylation.
Journal Article
Journal Article
Marianski, Mateusz, Jongcheol Seo, Eike Mucha, Daniel Thomas, Sabrina Jung, Robert Schlögl, Gerard Meijer, Annette Trunschke and Gert von Helden: Structural Characterization of Molybdenum Oxide Nanoclusters Using Ion Mobility Spectrometry-Mass Spectrometry and Infrared Action Spectroscopy.
Journal Article
Thomas, Daniel, Eike Mucha, Maike Lettow, Gerard Meijer, Mariana Rossi and Gert von Helden: Characterization of a trans-trans Carbonic Acid-Fluoride Complex by Infrared Action Spectroscopy in Helium Nanodroplets.
2018
Journal Article
Hoffmann, Waldemar, Kristin Folmert, Johann Moschner, Xing Huang, Hans von Berlepsch, Beate Koksch, Michael T. Bowers, Gert von Helden and Kevin Pagel: NFGAIL Amyloid Oligomers: The Onset of Beta-Sheet Formation and the Mechanism for Fibril Formation.
Journal Article
Mucha, Eike, Maike Lettow, Mateusz Marianski, Daniel Thomas, Weston B. Struwe, David J. Harvey, Gerard Meijer, Peter H. Seeberger, Gert von Helden and Kevin Pagel: Fucose Migration in Intact Protonated Glycan Ions: A Universal Phenomenon in Mass Spectrometry.
Journal Article
Mucha, Eike, Mateusz Marianski, Fei-Fei Xu, Daniel Thomas, Gerard Meijer, Gert von Helden, Peter H. Seeberger and Kevin Pagel: Unravelling the structure of glycosyl cations via cold-ion infrared spectroscopy.
Journal Article
Scutelnic, Valeriu, Marta A.S. Perez, Mateusz Marianski, Stephan Warnke, Aurelien Gregor, Ursula Rothlisberger, Michael T. Bowers, Carsten Baldauf, Gert von Helden, Thomas R. Rizzo and Jongcheol Seo: The Structure of the Protonated Serine Octamer.
Journal Article
Seo, Jongcheol, Waldemar Hoffmann, Sebastian Malerz, Stephan Warnke, Michael T. Bowers, Kevin Pagel and Gert von Helden: Side-chain effects on the structures of protonated amino acid dimers: A gas-phase infrared spectroscopy study.
Journal Article
Thomas, Daniel, Mateusz Marianski, Eike Mucha, Gerard Meijer, Mark A. Johnson and Gert von Helden: Ground‐State Structure of the Proton‐Bound Formate Dimer by Cold‐Ion Infrared Action Spectroscopy.
Journal Article
Thomas, Daniel, Eike Mucha, Sandy Gewinner, Wieland Schöllkopf, Gerard Meijer and Gert von Helden: Vibrational Spectroscopy of Fluoroformate, FCO2-, Trapped in Helium Nanodroplets.
2017
Journal Article
Hoffmann, Waldemar, Gert von Helden and Kevin Pagel: Ion mobility-mass spectrometry and orthogonal gas-phase techniques to study amyloid formation and inhibition.
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