## Abstract **Summary:** Molecular dynamics simulation studies of the translocation of charged homopolymers of length, __N__, driven by an electric potential gradient through a channel have been performed. We find that the translocation time, __ฯ__, displays an inverse power dependence on the tempe
Dynamics of complex molecular systems: Molecular dynamics simulations of enzyme catalysis, polymer growth and phase separations
โ Scribed by S. Toxvaerd
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 571 KB
- Volume
- 84
- Category
- Article
- ISSN
- 0167-7322
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โฆ Synopsis
Molecular Dynamics (MD) simulations of chemical reactions in condensed fluids are performed by solving the classical mechanical equations of motion in connection with simple transition state activated chemical reactions. This model differs from stochastic models for particle reactions by that MD includes hydrodynamic modes which enter into diffusion limited chemical reactions and domain growth at phase separations. Oscillating chemical reactions, spinodal decomposition under shear flow, polymer growth and diffusion limited enzyme catalysis are all examples where the dynamics are influenced by the hydrodynamics of the condensed fluid.
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## Abstract **Summary:** The structure of polymer brushes is investigated by dissipative particle dynamics (DPD) simulations that include explicit solvent particles. With an appropriate choice of the DPD interaction parameters $a\_{ij}$, we obtain good agreement with previous molecular dynamics (MD