Filters: Author is von Helden, G. [Clear All Filters]
Amide-I and -II Vibrations of the Cyclic beta-Sheet Model Peptide Gramicidin S in the Gas Phase. Journal of the American Chemical Society. 132:2085-2093.. 2010.
Atomic clusters of magnetic oxides: Structure and phonons. Journal of Applied Physics. 93:7379-7381.. 2003.
Charge-state resolved mid-infrared spectroscopy of a gas-phase protein. Physical Chemistry Chemical Physics. 7:1345-1348.. 2005.
Conformations and vibrational spectra of a model tripeptide: change of secondary structure upon micro-solvation. Physical Chemistry Chemical Physics. 12:3415-3425.. 2010.
Direct observation of size dependent activation of NO on gold clusters. Physical Chemistry Chemical Physics. 7:3906-3909.. 2005.
Experimental observation of laser-induced coherent ion motion in a quadrupole trap. International Journal of Mass Spectrometry. 221:163-176.. 2002.
Experimental study of gas phase titanium and aluminum oxide clusters. Astronomy & Astrophysics. 420:547-552.. 2004.
The far-infrared spectra of neutral and cationic niobium clusters: Nb-5(0/+) to Nb-9(0/+). Journal of Chemical Physics. 127. 2007.
Far-infrared spectroscopy of isolated transition metal clusters. European Physical Journal D. 34:83-88.. 2005.
FEL induced dynamics of small molecules on surfaces: N2O on NaCI(100). Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. 507:556-560.. 2003.
FELICE - the free electron laser for intra-cavity experiments. Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment. 507:494-497.. 2003.
Fingerprint IR spectroscopy to probe amino acid conformations in the gas phase. Physical Review Letters. 91. 2003.
Folding structures of isolated peptides as revealed by gas-phase mid-infrared spectroscopy. Chem Phys Chem. 6:120-128.. 2005.
Gas phase infrared spectroscopy of cluster anions as a function of size: The effect of solvation on hydrogen-bonding in Br-center dot(HBr)(1,2,3) clusters. Journal of Chemical Physics. 117:6493-6499.. 2002.
The gas-phase dipeptide analogue acetyl-phenylalanyl-amide: A model for the study of side chain/backbone interactions in proteins. Journal of Physical Chemistry A. 109:5281-5288.. 2005.
Gas-phase infrared multiple photon dissociation spectroscopy of mass-selected molecular ions. International Journal of Mass Spectrometry. 254:1-19.. 2006.
Gas-phase IR spectra of intact alpha-helical coiled coil protein complexes. International Journal of Mass Spectrometry. 283:161-168.. 2009.
Gas-phase IR spectroscopy of anionic iron carbonyl clusters. Journal of the American Chemical Society. 126:14726-14727.. 2004.
Gold cluster carbonyls: Saturated adsorption of CO on gold cluster cations, vibrational spectroscopy, and implications for their structures. Journal of the American Chemical Society. 127:8416-8423.. 2005.