Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Early Days of Two-Dimensional Ion Cyclotron Resonance

Version 1 : Received: 9 April 2021 / Approved: 13 April 2021 / Online: 13 April 2021 (10:13:28 CEST)

A peer-reviewed article of this Preprint also exists.

Bodenhausen, G. Early Days of Two-Dimensional Ion Cyclotron Resonance. Molecules 2021, 26, 3381. Bodenhausen, G. Early Days of Two-Dimensional Ion Cyclotron Resonance. Molecules 2021, 26, 3381.


This contribution is an attempt to reconstruct the favorable atmosphere that prevailed in Lau-sanne in 1986-87 and provided the backdrop of our invention of two-dimensional ion cyclotron resonance mass spectroscopy (2D ICR-MS). To avoid a self-centered histoire d’ancien combattant, we shall try to emphasize the context, the contributions of key players within our nascent research group at UNIL and the established group of Tino Gäumann at EPFL, the role of external speakers, and the open atmosphere that was not yet polluted by bibliometrics, obsessive concern with im-pact factors, and top-down management of research. We shall also explain why the idea of 2D ICR-MS has been ignored for many years and still has a limited impact: different scientific cul-tures in the ICR and NMR communities, different concerns with fundamental vs. applied research, different status of theory and numerical simulations, different levels of commitment of instrument manufacturers, not to mention many theoretical problems that appear to be at least as challenging in ICR as in NMR.


Two-dimensional Fourier transform (2D FT) spectroscopy; Ion Cyclotron Resonance 20 (ICR), Nuclear Magnetic Resonance; Precursor ions; Parent ions; Daughter ions.


Chemistry and Materials Science, Analytical Chemistry

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