نتایج جستجو برای: non covalent interaction
تعداد نتایج: 1829141 فیلتر نتایج به سال:
The benzene molecule is one of the most emblematic systems in chemistry, with its structural features being present in numerous different compounds. We have carried out an analysis of the influence of quantum mechanical interference on the geometric features of the benzene molecule, showing that many of the characteristics of its equilibrium geometry are a consequence of non-covalent contributi...
A rapid, simple, and quantitative filter-binding assay using glass fiber filters has been developed to detect the convalent adenovirus DNA-terminal protein complex. The assay is unusually sensitive because binding of protein-free DNA generally is less than 0.1%. Binding of the adenovirus complex to filters is mediated by terminal protein. We have found that: (i) the adenovirus complex binds max...
There have been many comparisons of computational methods applied to ground states, but studies of organic reactions usually require calculations on transition states, and these provide a different test of the methods. We present calculations of the geometries of nineteen covalent-bond forming transition states using HF and twelve different functionals, including GGA, hybrid-GGA and hybrid meta...
We present a magnetic bond-order potential (BOP) that is able to provide a correct description of both directional covalent bonds and magnetic interactions in iron. This potential, based on the tight binding approximation and the Stoner model of itinerant magnetism, forms a direct bridge between the electronic-structure and the atomistic modeling hierarchies. Even though BOP calculations are co...
Non covalent interactions in biological macromolecules mediate almost all the chemical processes in living systems. Developments in microcalorimetry has enabled a quantitative understanding of such interactions and contributed significantly to biotechnology, medicine, and novel drug design. This report addresses advancement and use of ultrasensitive microcalorimetry in connecting bioenergetics ...
The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters. opening of episulfonium ions with indole derivatives by means of stabilizing non-covalent interactions.
Dimethyl fumarate (DMF) is an electrophilic compound previously called BG-12 and marketed under the name Tecfidera ®. It was approved in 2013 by the US Food and Drug Administration and the European Medicines Agency for the treatment of relapsing multiple sclerosis. One mechanism of action of DMF is stimulation of the nuclear factor erythroid 2-related factor 2 (NRF2) transcriptional pathway tha...
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