Investigation of proton transport tautomerism in clusters of protonated nucleic acid bases (cytosine, uracil, thymine, and adenine) and ammonia by high-pressure mass …

R Wu, TB McMahon - Journal of the American Chemical Society, 2007 - ACS Publications
The energetics of the ion− molecule interactions and structures of the clusters formed
between protonated nucleic acid bases (cytosine, uracil, thymine, and adenine) and …

The sodium ion affinities of asparagine, glutamine, histidine and arginine

P Wang, G Ohanessian, C Wesdemiotis - International Journal of Mass …, 2008 - Elsevier
The sodium ion affinities of the amino acids Asn, Gln, His and Arg have been determined by
experimental and computational approaches (for Asn, His and Arg). Na+-bound …

The hydrated Li+–adenine–thymine complex by IRMPD spectroscopy in the N–H/O–H stretching region

EAL Gillis, TD Fridgen - International Journal of Mass Spectrometry, 2010 - Elsevier
The interaction of lithium ions with the nucleic acid bases which make up the A: T base pair,
adenine and thymine, as well as the hydration of the complex by one water molecule has …

Intrinsic Interactions of Metal Ions with Biological Molecules as Studied by Threshold Collision-Induced Dissociation and Infrared Multiple Photon Dissociation

P Armentrout - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
In this tutorial review, gas-phase studies of group 1 monocations and group 12 dications
with amino acids and small peptides are highlighted. Although the focus is on two …

Gas-phase lithium-cation basicities of some benzene derivatives: An experimental and theoretical study

JF Gal, PC Maria, M Decouzon, O Mó… - International Journal of …, 2002 - Elsevier
The gas-phase lithium-cation basicities of a series of monosubstituted benzene derivatives,
namely C6H5X (X= H, Me, CH CH2, OH, OMe, SH, Cl, Br) have been measured by means …

Obtaining thermochemical data by the extended kinetic method

G Bouchoux, M Sablier… - Journal of mass …, 2004 - Wiley Online Library
A microcanonical analysis of the extended kinetic method is performed using statistical rate
calculations based on orbiting transition state theory. The model systems simulate …

[HTML][HTML] Tautomerisation of thymine acts against the Hückel 4 N+ 2 rule. The effect of metal ions and H-bond complexations on the electronic structure of thymine

OA Stasyuk, H Szatylowicz… - Organic & biomolecular …, 2014 - pubs.rsc.org
The stability and aromaticity of thirteen known thymine tautomers were studied in the gas
phase at the B3LYP/6-311++ G (2d, 2p) computational level. It was found that they do not …

Gas phase hydrogen deuterium exchange reactions of a model peptide: FT-ICR and computational analyses of metal induced conformational mutations

T Solouki, RC Fort, A Alomary, A Fattahi - … of the American Society for Mass …, 2001 - Springer
We utilized gas phase hydrogen/deuterium (H/D) exchange reactions and ab initio
calculations to investigate the complexation between a model peptide (Arg-Gly-Asp≡ RGD) …

Gas‐phase interactions between lead (II) ions and cytosine: Tandem mass spectrometry and infrared multiple‐photon dissociation spectroscopy study

JY Salpin, V Haldys, S Guillaumont… - …, 2014 - Wiley Online Library
Gas‐phase interactions between Pb2+ ions and cytosine (C) were studied by combining
tandem mass spectrometry, infrared multiple photon dissociation spectroscopy, and density …

Toward extension of the gas-phase basicity scale by novel pyridine containing guanidines

Z Glasovac, F Pavošević, V Štrukil… - International Journal of …, 2013 - Elsevier
The gas-phase basicities (GB) and proton affinities (PA) of six novel guanidine derivatives
were measured by the entropy corrected kinetic method. The proton affinities of the …