Publications Year Pubtype CSV EndNote BibTeX XML Export 2021 Journal Article Spekowius, Jasmin; Pfister, Rolf; Helbing, Jan (2021). Folding and Unfolding of the Tryptophan Zipper in the Presence of Two Thioamide Substitutions. Journal of Physical Chemistry B, 125(28):7662-7670. 2019 Journal Article Oppermann, Malte; Spekowius, Jasmin; Bauer, Benjamin; Pfister, Rolf; Chergui, Majed; Helbing, Jan (2019). Broad-Band Ultraviolet CD Spectroscopy of Ultrafast Peptide Backbone Conformational Dynamics. Journal of Physical Chemistry Letters, 10(11):2700-2705. Oppermann, Malte; Bauer, Benjamin; Rossi, Thomas; Zinna, Francesco; Helbing, Jan; Lacour, Jérôme; Chergui, Majed (2019). Ultrafast broadband circular dichroism in the deep ultraviolet. Optica, 6(1):56. 2018 Journal Article Dereka, Bogdan; Helbing, Jan; Vauthey, Eric (2018). Transient Glass Formation around a Quadrupolar Photoexcited Dye in a Strongly H-Bonding Liquid Observed by Transient 2D-IR Spectroscopy. Angewandte Chemie Internationale Edition, 57(52):17014-17018. Preda, Fabrizio; Perri, Antonio; Réhault, Julien; Dutta, Biplab; Helbing, Jan; Cerullo, Giulio; Polli, Dario (2018). Time-domain measurement of optical activity by an ultrastable common-path interferometer. Optics letters, 43(8):1882. 2017 Journal Article Réhault, J; Borrego-Varillas, R; Oriana, A; Manzoni, C; Hauri, C P; Helbing, Jan; Cerullo, G (2017). Fourier transform spectroscopy in the vibrational fingerprint region with a birefringent interferometer. Optics Express, 25(4):4403. Ojeda, José; Arrell, Christopher A; Longetti, Luca; Chergui, Majed; Helbing, Jan (2017). Charge-transfer and impulsive electronic-to-vibrational energy conversion in ferricyanide: ultrafast photoelectron and transient infrared studies. Physical Chemistry Chemical Physics (PCCP), 19(26):17052-17062. 2015 Journal Article Dutta, Biplab; Helbing, Jan (2015). Optimized interferometric setup for chiral and achiral ultrafast IR spectroscopy. Optics Express, 23(12):16449. 2014 Journal Article Marty, Roman; Frauenrath, Holger; Helbing, Jan (2014). Aggregates from Perylene Bisimide Oligopeptides as a Test Case for Giant Vibrational Circular Dichroism. Journal of Physical Chemistry B, 118(38):11152-11160. Réhault, Julien; Maiuri, Margherita; Manzoni, Cristian; Brida, Daniele; Helbing, Jan; Cerullo, Giulio (2014). 2D IR spectroscopy with phase-locked pulse pairs from a birefringent delay line. Optics Express, 22(8):9063. 2013 Journal Article Thøgersen, Jan; Réhault, Julien; Odelius, Michael; Ogden, Tom; Jena, Naresh K; Jensen, Svend J Knak; Keiding, Søren R; Helbing, Jan (2013). Hydration dynamics of aqueous nitrate. Journal of Physical Chemistry B, 117(12):3376-3388. Conference or Workshop item Rehault, Julien; Helbing, Jan (2013). Exploring the polarization degrees of freedom in collinear two-dimensional infrared spectroscopy. In: 18th International Conference on Ultrafast Phenomena, Ecole Polytechnique Fed Lausanne (EPFL), Lausanne, Switzerland, 8 July 2013 - 13 July 2013, 05003. 2012 Journal Article Helbing, Jan; Devereux, Michael; Nienhaus, Karin; Nienhaus, G Ulrich; Hamm, Peter; Meuwly, Markus (2012). Temperature dependence of the heat diffusivity of proteins. Journal of Physical Chemistry A, 116(11):2620-2628. Helbing, J (2012). Spin state transitions upon visible and infrared excitation of ferric MbN3. Chemical Physics, 396:17-22. 2011 Journal Article Rehault, J; Zanirato, V; Olivucci, M; Helbing, J (2011). Linear dichroism amplification: Adapting a long-known technique for ultrasensitive femtosecond IR spectroscopy. Journal of Chemical Physics, 134(12):124516. Helbing, J; Hamm, P (2011). Compact implementation of Fourier transform two-dimensional IR spectroscopy without phase ambiguity. Journal of the Optical Society of America B, 28(1):171-178. 2010 Journal Article Helbing, J; Bonmarin, M (2010). Vibrational chiral spectroscopy with femtosecond laser pulses. EPJ Web of Conferences, 5:03004. Briand, J; Bram, O; Rehault, J; Leonard, J; Cannizzo, A; Chergui, M; Zanirato, V; Olivucci, M; Helbing, J; Haacke, S (2010). Coherent ultrafast torsional motion and isomerization of a biomimetic dipolar photoswitch. Physical Chemistry Chemical Physics (PCCP), 12(13):3178-3187. 2009 Journal Article Helbing, J; Bonmarin, M (2009). Time-Resolved Chiral Vibrational Spectroscopy. CHIMIA International Journal for Chemistry, 63(3):128-133. Bregy, H; Heimgartner, H; Helbing, J (2009). A Time-resolved Spectroscopic Comparison of the Photoisomerization of Small beta-Turn-forming Thioxopeptides. Journal of Physical Chemistry. B, 113(6):1756-1762. Bonmarin, M; Helbing, J (2009). Polarization control of ultrashort mid-IR laser pulses for transient vibrational circular dichroism measurements. Chirality, 21(1E):E298-E306. 2008 Journal Article Bonmarin, M; Helbing, J (2008). A picosecond time-resolved vibrational circular dichroism spectrometer. Optics Letters, 33(18):2086-2088. Cervetto, V; Hamm, P; Helbing, J (2008). Transient 2D-IR spectroscopy of thiopeptide isomerization. Journal of Physical Chemistry. B, 112(28):8398-8405. Cervetto, V; Pfister, R; Helbing, J (2008). Time-resolved infrared spectroscopy of thiopeptide isomerization and hydrogen-bond breaking. Journal of Physical Chemistry. B, 112(11):3540-3544. Sinicropi, A; Martin, E; Ryazantsev, M; Helbing, J; Briand, J; Sharma, D; Léonard, J; Haacke, S; Cannizzo, A; Chergui, M; Zanirato, V; Fusi, S; Santoro, F; Basosi, R; Ferré, N; Olivucci, M (2008). An artificial molecular switch that mimics the visual pigment and completes its photocycle in picoseconds. Proceedings of the National Academy of Sciences of the United States of America (PNAS), 105(46):17642-17647. Hamm, P; Helbing, J; Bredenbeck, J (2008). Two-dimensional infrared spectroscopy of photoswitchable peptides. Annual Review of Physical Chemistry, 59:291-317. 2007 Journal Article Cervetto, V; Pfister, R; Kolano, C; Bregy, A; Heimgartner, H; Helbing, J (2007). Coexistence of hydrogen-bonded loop and extended tetrapeptide conformations. Chemistry - A European Journal, 13(32):9004-9011.