Enhanced basicity of push–pull nitrogen bases in the gas phase

ED Raczyńska, JF Gal, PC Maria - Chemical Reviews, 2016 - ACS Publications
Nitrogen bases containing one or more pushing amino-group (s) directly linked to a pulling
cyano, imino, or phosphoimino group, as well as those in which the pushing and pulling …

SLIM ultrahigh resolution ion mobility spectrometry separations of isotopologues and isotopomers reveal mobility shifts due to mass distribution changes

R Wojcik, G Nagy, IK Attah, IK Webb… - Analytical …, 2019 - ACS Publications
We report on separations of ion isotopologues and isotopomers using ultrahigh-resolution
traveling wave-based Structures for Lossless Ion Manipulations with serpentine ultralong …

Gas phase basicities of polyfunctional molecules. Part 3: Amino acids

G Bouchoux - Mass spectrometry reviews, 2012 - Wiley Online Library
The present article is the third part of a general overview of the gas‐phase protonation
thermochemistry of polyfunctional molecules (first part: Mass Spectrom. Rev., 2007, 26: 775 …

Benchmark ab Initio Conformational Energies for the Proteinogenic Amino Acids through Explicitly Correlated Methods. Assessment of Density Functional Methods

MK Kesharwani, A Karton… - Journal of chemical theory …, 2016 - ACS Publications
The relative energies of the YMPJ conformer database of the 20 proteinogenic amino acids,
with N-and C-termination, have been re-evaluated using explicitly correlated coupled cluster …

TorsiFlex: an automatic generator of torsional conformers. Application to the twenty proteinogenic amino acids

D Ferro-Costas, I Mosquera-Lois… - Journal of …, 2021 - Springer
In this work, we introduce TorsiFlex, a user-friendly software written in Python 3 and
designed to find all the torsional conformers of flexible acyclic molecules in an automatic …

Exploring the conformational and reactive dynamics of biomolecules in solution using an extended version of the glycine reactive force field

S Monti, A Corozzi, P Fristrup, KL Joshi… - Physical Chemistry …, 2013 - pubs.rsc.org
In order to describe possible reaction mechanisms involving amino acids, and the evolution
of the protonation state of amino acid side chains in solution, a reactive force field (ReaxFF …

Novel infrared spectra for intermolecular dihydrogen bonding of the phenol-borane-trimethylamine complex in electronically excited state

GJ Zhao, KL Han - The Journal of chemical physics, 2007 - pubs.aip.org
The intermolecular dihydrogen bonding in the electronically excited states of the dihydrogen-
bonded phenol-BTMA complex in gas phase was theoretically investigated using the time …

Infrared spectroscopy of arginine cation complexes: direct observation of gas-phase zwitterions

MW Forbes, MF Bush, NC Polfer… - The Journal of …, 2007 - ACS Publications
The structures of cationized arginine complexes [Arg+ M]+,(M= H, Li, Na, K, Rb, Cs, and Ag)
and protonated arginine methyl ester [ArgOMe+ H]+ have been investigated in the gas …

Effects of alkaline earth metal ion complexation on amino acid zwitterion stability: results from infrared action spectroscopy

MF Bush, J Oomens, RJ Saykally… - Journal of the American …, 2008 - ACS Publications
The structures of isolated alkaline earth metal cationized amino acids are investigated using
infrared multiple photon dissociation (IRMPD) spectroscopy and theory. These results …

Affinity scale for the interaction of amino acids with silica surfaces

A Rimola, M Sodupe, P Ugliengo - The Journal of Physical …, 2009 - ACS Publications
A systematic computational study of the adsorption of 15 different amino acids (AA)(Gly, Ala,
Met, Phe, Ser, Thr, Cys, Tyr, Asn, Gln, Asp, Glu, His, Lys, and Arg) on a hydroxylated silica …