نتایج جستجو برای: electrostatic interaction

تعداد نتایج: 584666  

Journal: :Physical chemistry chemical physics : PCCP 2012
Emmanuel Arras Ari Paavo Seitsonen Florian Klappenberger Johannes V Barth

Systematic ab initio calculations are combined with a deconvolution of electrostatic contributions to analyze the interplay between potential hydrogen bond acceptors and organic rings with C(sp(2))-H groups (benzene, pyridine and cyclopentadiene). A distinct anisotropic interaction between the ring systems and the electron lone pairs of cyanide, water and other acceptor species is revealed that...

Journal: :Acta Crystallographica Section A Foundations and Advances 2018

2017
A. P. ANTONYAN M. A. PARSADANYAN V. G. SAHAKYAN

Interaction of intercalators: ethidium bromide (EtBr), methylene blue (MB) and acridine orange (AO), with DNA at 0.02 M ionic strength of the solution has been studied by differential spectroscopy method. It was revealed that EtBr binds to DNA by intercalation, semi-intercalation and electrostatic modes; MB by semiintercalation and electrostatic modes and AO by intercalation and electrostatic m...

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