Communications: Self-energy and corresponding virial contribution of electrostatic interactions in dissipative particle dynamics: Simulations of cationic lipid bilayers

2010 ◽  
Vol 132 (3) ◽  
pp. 031102 ◽  
Author(s):  
Lianghui Gao ◽  
Weihai Fang
Author(s):  
Lisal Martin ◽  
Sindelka Karel ◽  
Sueha Lucie ◽  
Limpouchova Zuzana ◽  
Prochazka Karel

Abstract - This feature article is addressed to a broad community of polymer scientists, both theoreticians and experimentalists. We present several examples of our dissipative particle dynamics (DPD) simulations of self- and co-assembling polyelectrolyte systems to illustrate the power of DPD. In the first part, we briefly outline basic principles of DPD. Special emphasis is placed on the incorporation of explicit electrostatic forces into DPD, on their calibration with respect to the soft repulsion forces and on the use of DPD for studying the self-assembly of electrically charged polymer systems. At present, the method with explicit electrostatics is being used in a number of studies of the behavior of single polyelectrolyte chains, their interaction with other components of the system, etc. However, in DPD studies of self-assembly, which require high numbers of chains, only a few research groups use explicit electrostatics. Most studies of polyelectrolyte self-assembly are based on the “implicit solvent ionic strength” approach, which completely ignores the long-range character of electrostatic interactions, because their evaluation complicates and considerably slows down the DPD simulation runs. We aim at the analysis of the impact of explicit electrostatics on simulation results.


2007 ◽  
Vol 126 (1) ◽  
pp. 015101 ◽  
Author(s):  
Lianghui Gao ◽  
Julian Shillcock ◽  
Reinhard Lipowsky

2011 ◽  
Vol 50 (1) ◽  
pp. 69-77 ◽  
Author(s):  
Justin R. Spaeth ◽  
Todd Dale ◽  
Ioannis G. Kevrekidis ◽  
Athanassios Z. Panagiotopoulos

Soft Matter ◽  
2017 ◽  
Vol 13 (36) ◽  
pp. 6178-6188 ◽  
Author(s):  
Haina Tan ◽  
Chunyang Yu ◽  
Zhongyuan Lu ◽  
Yongfeng Zhou ◽  
Deyue Yan

This work discloses for the first time the self-assembly phase diagrams of amphiphilic hyperbranched multiarm copolymers in various solvents by dissipative particle dynamics simulations.


RSC Advances ◽  
2017 ◽  
Vol 7 (66) ◽  
pp. 41787-41787
Author(s):  
Yue Ma ◽  
Yuxiang Wang ◽  
Xuejian Deng ◽  
Guanggang Zhou ◽  
Shah Khalid ◽  
...  

Correction for ‘Dissipative particle dynamics and molecular dynamics simulations on mesoscale structure and proton conduction in a SPEEK/PVDF-g-PSSA membrane’ by Yue Ma et al., RSC Adv., 2017, 7, 39676–39684.


RSC Advances ◽  
2017 ◽  
Vol 7 (63) ◽  
pp. 39676-39684 ◽  
Author(s):  
Yue Ma ◽  
Yuxiang Wang ◽  
Xuejian Deng ◽  
Guanggang Zhou ◽  
Sha Khalid ◽  
...  

The blend morphologies evolve from disordered small particles to a regular PVDF cluster network, which were connected by SPEEK cylindrical channels.


Nanoscale ◽  
2017 ◽  
Vol 9 (25) ◽  
pp. 8567-8572 ◽  
Author(s):  
François Sicard ◽  
Alberto Striolo

The buckling mechanism in droplets stabilized by solid particles (armored droplets) is tackled at a mesoscopic level using dissipative particle dynamics simulations.


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