Owen, C. J., Boles, G. C., Berden, G., Oomens, J., & Armentrout, P. B. (2019). Experimental and theoretical investigations of infrared multiple photon dissociation spectra of lysine complexes with Zn²⁺ and Cd²⁺. European Journal of Mass Spectrometry, 25(1), 97-111. https://doi.org/10.1177/1469066718792902

van Outersterp, R. E., Houthuijs, K. J., Berden, G., Engelke, U. F., Kluijtmans, L. A. J., Wevers, R. A., Coene, K. L. M., Oomens, J., & Martens, J. (2019). Reference-standard free metabolite identification using infrared ion spectroscopy. International Journal of Mass Spectrometry, 443, 77-85. https://doi.org/10.1016/j.ijms.2019.05.015

Boles, G. C., Kempkes, L. J. M., Martens, J., Berden, G., Oomens, J., & Armentrout, P. B. (2019). Ion spectroscopy and guided ion beam studies of protonated asparaginyl-threonine decomposition: Influence of a hydroxyl containing C-Terminal residue on deamidation processes. International Journal of Mass Spectrometry, 442, 64-82. https://doi.org/10.1016/j.ijms.2019.05.010

Walhout, E. Q., Dorn, S. E., Martens, J., Berden, G., Oomens, J., Cheong, PH.-Y., Kroll, J. H., & O'Brien, R. E. (2019). Infrared Ion Spectroscopy of Environmental Organic Mixtures: Probing the Composition of a-Pinene Secondary Organic Aerosol. Environmental Science and Technology, 53(13), 7604-7612. https://doi.org/10.1021/acs.est.9b02077

Kempkes, L. J. M., Martens, J., Berden, G., Houthuijs, K. J., & Oomens, J. (2019). Investigation of the position of the radical in z₃-ions resulting from electron transfer dissociation using infrared ion spectroscopy. Faraday Discussions, 217, 434-452. https://doi.org/10.1039/c8fd00202a

Switzer, C., Martens, J., Kempkes, L. J. M., Berden, G., Oomens, J., & Hellman Morton, T. (2019). Gas-phase vibrations of the anionic, hydrogen-bonded dimer of 9-methylguanine. International Journal of Mass Spectrometry, 446, Article 116211. https://doi.org/10.1016/j.ijms.2019.116211

Tatosian, I., Metzler, L., Graca, C., Bubas, A., Corcovilos, T., Martens, J., Berden, G., Oomens, J., & Van Stipdonk, M. J. (2019). Measurement of the asymmetric UO₂²+ stretching frequency for [U^VIO₂(F)₃]- using IRMPD spectroscopy. International Journal of Mass Spectrometry, 446, Article 116231. https://doi.org/10.1016/j.ijms.2019.116231

Boles, G. C., Hightower, R. L., Berden, G., Oomens, J., & Armentrout, P. B. (2019). Zinc and Cadmium Complexation of _L-Threonine: An Infrared Multiple Photon Dissociation Spectroscopy and Theoretical Study. Journal of Physical Chemistry B, 123(44), 9343-9354. https://doi.org/10.1021/acs.jpcb.9b08184

Paul, M., Peckelsen, K., Thomulka, T., Neudörfl, J., Martens, J., Berden, G., Oomens, J., Berkessel, A., Meijer, A. J. H. M., & Schäfer, M. (2019). Hydrogen tunneling avoided: enol-formation from a charge-tagged phenyl pyruvic acid derivative evidenced by tandem-MS, IR ion spectroscopy and theory. Physical Chemistry Chemical Physics, 21(30), 16591-16600. https://doi.org/10.1039/c9cp02316j