Thymine-metal ion interactions: relevance for thymine quartet structures

E Freisinger, A Schimanski, B Lippert - JBIC Journal of Biological Inorganic …, 2001 - Springer
Apart from their function as counter ions for the charge neutralization of nucleic acids, alkali
metal ions play important roles in stabilizing particular multistranded nucleic acids, eg …

Gas phase basicity of biguanides–Comparison of the equilibrium and the kinetic methods

Z Glasovac, M Eckert-Maksić, I Kaljurand… - International journal of …, 2019 - Elsevier
The gas-phase basicities (GB) of 7 biguanides were measured by the equilibrium and the
entropy corrected kinetic methods. The experimental data were compared with the GB …

Conductometric and microcalorimetric analysis of the alkaline-earth/alkali-metal ion exchange onto polyacrylic acid

I Pochard, A Foissy, P Couchot - Colloid and Polymer Science, 1999 - Springer
The specificity of the exchange between divalent (Di 2+= Ca 2+ or Ba 2+) and monovalent
(M+= Li+, Na+ or K+) ions onto a polyacrylic chain is examined using conductometric and …

The theoretical basis of the kinetic method from the point of view of finite heat bath theory

J Laskin, JH Futrell - The Journal of Physical Chemistry A, 2000 - ACS Publications
We present a rigorous theoretical basis of the kinetic method, commonly used for
thermochemical determinations in mass spectrometry, based on finite heat bath theory …

Sodium parameters for AM1 and PM3 optimized using a modified genetic algorithm

EN Brothers, KM Merz - The Journal of Physical Chemistry B, 2002 - ACS Publications
Sodium is very important as a counterion in biology. However, when used with the most
common semiempirical Hamiltonians, such as AM1 or PM3, sodium is modeled as a point …

Hydrogen bonding and aromaticity in the guanine–cytosine base pair interacting with metal cations (M = Cu+, Ca2+ and Cu2+)

J Poater, M Sodupe, J Bertran*, M Solà* - Molecular Physics, 2005 - Taylor & Francis
The influence of metal cations (M= Cu+, Ca2+ and Cu2+) coordinated to the N7 of guanine
on hydrogen bonding and aromaticity of the guanine–cytosine base pair has been analysed …

[HTML][HTML] A comprehensive evaluation of the kinetic method applied in the determination of the proton affinity of the nucleic acid molecules

L Di Donna, A Napoli, G Sindona… - Journal of the American …, 2004 - Elsevier
The determination of proton affinity (PA) of 2′-deoxyadenosine (dA) is used as a case study
for the evaluation of possible drawbacks in the determination of the PA of the nucleic acid …

The Curtin− Hammett Principle in Mass Spectrometry

LJ Haupert, JC Poutsma… - Accounts of chemical …, 2009 - ACS Publications
The Curtin− Hammett principle (CHP) is an important concept in physical organic chemistry
and is often utilized in the investigation of reaction mechanisms. Two reactants, A and B, in …

On the bonding of first-row transition metal cations to guanine and adenine nucleobases

M Noguera, V Branchadell, E Constantino… - The Journal of …, 2007 - ACS Publications
The binding of first-row transition metal monocations (Sc+− Cu+) to N7 of guanine and N7 or
N3 of adenine nucleobases has been analyzed using the hybrid B3LYP density functional …

α, ω-Diaminoalkanes as models for bases that dicoordinate the proton: An evaluation of the kinetic method for estimating their proton affinities

Z Wang, IK Chu, CF Rodriquez… - The Journal of …, 1999 - ACS Publications
The effectiveness of the kinetic method for estimating the proton affinities of bases that di-
coordinate the proton is evaluated using α, ω-diaminoalkanes as model bases. The proton …