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The mean electrostatic potential difference between liquid water and vacuum by MD simulation

✍ Scribed by Razif R. Gabdoulline; Chong Zheng; Garret Vanderkooi


Book ID
104303799
Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
452 KB
Volume
71
Category
Article
ISSN
0167-7322

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✦ Synopsis


A negative mean electrostatic potential relative to that of a vacuum exists in liquid water represented by the extended single point charge (SPC/E) model and can be computed by molecular dynamics simulations. The mean potential difference between the liquid phase and vacuum can also be estimated analytically from the charge distribution in the SPC/E water molecule with respect to its mass and force centers. Other models of water molecules are also discussed.


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✍ Brigitte Hartmann; Michael R. Sullivan; Lester F. Harris πŸ“‚ Article πŸ“… 2003 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 818 KB

## Abstract Using molecular dynamics simulations in explicit solvent, we investigated the behavior of a 50‐bp DNA sequence containing the 434 bacteriophage operators OR1 and OR2 separated by an 8‐bp spacer. Two simulations of 1 ns each were carried out, with DNA alone and with DNA complexed to dime