Results 51 to 60 of about 1,337,527 (315)

Solvation and Dissociation in Weakly Ionized Polyelectrolytes [PDF]

open access: yes, 2009
We present a Ginzburg-Landau theory of inhomogeneous polyelectrolytes with a polar solvent. First, we take into account the molecular (solvation) interaction among the ions, the charged monomers, the uncharged monomers, and the solvent molecules ...
Okamoto, Ryuichi, Onuki, Akira
core   +1 more source

Molecular structure, DFT studies and Hirshfeld analysis of anthracenyl chalcone derivatives

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2018
The molecular and crystal structure of two new chalcone derivatives, (E)-1-(anthracen-9-yl)-3-[4-(piperidin-1-yl)phenyl]prop-2-en-1-one, C28H25NO, (I), and (E)-1-(anthracen-9-yl)-3-[4-(diphenylamino)phenyl]prop-2-en-1-one, C35H25NO, (II), with the fused ...
Dian Alwani Zainuri   +2 more
doaj   +1 more source

Comparative Analysis of Electrostatic Models for Ligand Docking

open access: yesFrontiers in Molecular Biosciences, 2019
The precise modeling of molecular interactions remains an important goal among molecular modeling techniques. Some of the challenges in the field include the precise definition of a Hamiltonian for biomolecular systems, together with precise parameters ...
Geraldo Rodrigues Sartori   +1 more
doaj   +1 more source

Molecular Electrostatic Potential and Electron Density of Large Systems in Solution Computed With the Fragment Molecular Orbital Method.

open access: yesJournal of Physical Chemistry A, 2019
A solvent screening model for the molecular electrostatic potential is developed for the fragment molecular orbital combined with the polarizable continuum model at the Hartree-Fock and density functional levels.
D. Fedorov   +3 more
semanticscholar   +1 more source

Crystal structure analysis of the biologically active drug molecule riluzole and riluzolium chloride

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2019
This study is an investigation into the crystal structure of the biologically active drug molecule riluzole [RZ, 6-(trifluoromethoxy)-1,3-benzothiazol-2-amine], C8H5F3N2OS, and its derivative, the riluzolium chloride salt [RZHCl, 2-amino-6 ...
Pradip Kumar Mondal   +3 more
doaj   +1 more source

Predicting Supramolecular Connectivity of Metal-Containing Solid-State Assemblies using Calculated Molecular Electrostatic Potential Surfaces

open access: yesCrystal Growth & Design, 2019
We demonstrated that the primary supramolecular features of metal-based solid-state systems can be reliably predicted based solely on the relative strengths of competing hydrogen-bond acceptor sites.
M. Borovina, Ivan Kodrin, M. Đaković
semanticscholar   +1 more source

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

open access: yesFEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source

Electrostatic Steering Accelerates C3d:CR2 Association. [PDF]

open access: yes, 2016
Electrostatic effects are ubiquitous in protein interactions and are found to be pervasive in the complement system as well. The interaction between complement fragment C3d and complement receptor 2 (CR2) has evolved to become a link between innate and ...
Dimitrios Morikis   +4 more
core   +2 more sources

Crystal structure and DFT study of a zinc xanthate complex

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2019
In the title compound, bis(2-methoxyethyl xanthato-κS)(N,N,N′,N′-tetramethylethylenediamine-κ2N,N′)zinc(II) acetone hemisolvate, [Zn(C4H7O2S2)2(C6H16N2)]·0.5C3H6O, the ZnII ion is coordinated by two N atoms of the N,N,N′,N′-tetramethylethylenediamine ...
Adnan M. Qadir   +4 more
doaj   +1 more source

Spectroscopic Investigations, Computational Analysis and Molecular Docking to SAR-Cov-2 Targets Studies of 5,8-Quinolinedione Attached to Betulin Derivatives

open access: yesCrystals, 2021
The 5,8-quinolinedione-betulin hybrids were investigated using spectroscopic methods as well as a variety of quantum chemical calculations in order to characterize their molecular structure.
Monika Kadela-Tomanek   +5 more
doaj   +1 more source

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