Journal of Chemical Physics
Feedback | Help | Exit
The Journal of Chemical Physics
Search:
   
 
 
 
Previous Article
Diffusion equation on curved surfaces. I. Theory and application to biological membranes
We analyze how the transport by diffusion of a substance over a curved surface is affected by the local curvature. We show that these effects are completely characterized by the geodesic curvature g(r...
Next Article
Comparison of ensemble and single molecule approaches to probing polymer relaxation dynamics near Tg
Single molecule spectroscopy and polarization holeburning (PHB) are used to measure the dynamics of rotation for rhodamine 6G in poly(methylacrylate). It is found that the ensemble average correlation...

Dissipative particle dynamics study of spontaneous vesicle formation of amphiphilic molecules

J. Chem. Phys. 116, 5842 (2002); doi:10.1063/1.1456031

Issue Date: 1 April 2002 | See: Erratum

You are not logged in to this journal. Log in

Satoru Yamamoto, Yutaka Maruyama, and Shi-aki Hyodo
Toyota Central R&D Labs, Inc., Nagakute, Aichi 480-1192, Japan
A dissipative particle dynamics (DPD) simulation has been used to study the spontaneous vesicle formation of amphiphilic molecules in aqueous solution. The amphiphilic molecule is represented by a coarse-grained model, which contains a hydrophilic head group and a hydrophobic tail. Water is also modeled by the same size particle as adopted in the amphiphile model, corresponding to a group of several H2O molecules. In the DPD simulation, from both a randomly dispersed system and a bilayer structure of the amphiphile for the initial condition, a spontaneous vesicle formation is observed through the intermediate state of an oblate micelle or a bilayer membrane. The membrane fluctuates and encapsulates water particles and then closes to form a vesicle. During the process of vesicle formation, the hydrophobic interaction energy between the amphiphile and water is diminishing. It is also recognized that the aggregation process is faster in two-tailed amphiphiles than those in the case of single-tailed ones. ©2002 American Institute of Physics.
History: Received 15 October 2001; accepted 8 January 2002
Permalink: http://link.aip.org/link/?JCPSA6/116/5842/1
BUY THIS ARTICLE   (US$24)
Download HTML Download Sectioned HTML Download PDF (1002 kB) View Cart

ERRATUM

  1. Erratum: "Dissipative particle dynamics study of spontaneous vesicle formation of amphiphilic molecules" [J. Chem. Phys. 116, 5842 (2002)]
    Satoru Yamamoto et al.
    J. Chem. Phys. 117, 2990 (2002)

KEYWORDS and PACS

Keywords
PACS
  • 82.70.Uv
    Physical chemistry and chemical physics Disperse systems; complex fluids Surfactants, micellar solutions, vesicles, lamellae, amphiphilic systems, (hydrophilic and hydrophobic interactions) (see also 82.30.Rs in specific chemical reactions)
  • 87.16.Dg
    Biological and medical physics Subcellular structure and processes Membranes, bilayers, and vesicles
  • YEAR: 2002

RELATED DATABASES


To view database links for this article,
you need to log in.
To view database links for this article,
you need to log in.

PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
Publisher:
AIP is a member of CrossRef AIP

REFERENCES (32)
View in Separate Window/Tab
For access to fully linked references, you need to log in. For access to fully linked references, you need to Log in.
  1. D. A. Edwards, F. Schneck, I. Zhang, A. M. J. Davis, H. Chen, and R. Langer, Biophys. J. 71, 1208 (1996).
  2. F. Ilhan, T. H. Galow, M. Gray, G. Clavier, and V. M. Rotello, J. Am. Chem. Soc. 122, 5895 (2000).
  3. K. Schillén, K. Bryskhe, and Y. S. Mel'nikova, Macromolecules 32, 6885 (1999).
  4. Giant Vesicles, Perspectives in Supramolecular Chemistry, edited by P. L. Luisi and P. Walde (Wiley, Chichester, 2000), Vol. 6.
  5. Structure and Dynamics of Membranes, Handbook of Biological Physics, edited by R. Lipowsky and E. Sackmann (Elsevier, Amsterdam, 1995), Vol. 1.
  6. R. Lipowsky, Nature (London) 349, 475 (1991).
  7. F. Jülicher and R. Lipowsky, Phys. Rev. Lett. 70, 2964 (1993).
  8. T. Umeda, H. Nakajima, and H. Hotani, J. Phys. Soc. Jpn. 67, 682 (1998).
  9. R. M. Venable, B. R. Brooks, and R. W. Pastor, J. Chem. Phys. 112, 4822 (2000).
  10. S. W. Chiu, E. Jakobsson, and H. L. Scott, J. Chem. Phys. 114, 5435 (2001).
  11. H. Heller, M. Schaefer, and K. Schulten, J. Phys. Chem. 97, 8343 (1993).
  12. H. E. Alper, D. Bassolino, and T. R. Stouch, J. Chem. Phys. 98, 9798 (1993).
  13. E. Egberts and H. J. C. Berendsen, J. Chem. Phys. 89, 3718 (1988).
  14. W. Shinoda, N. Namiki, and S. Okazaki, J. Chem. Phys. 106, 5731 (1997).
  15. P. Jedlovszky and M. Mezei, J. Chem. Phys. 111, 10770 (1999).
  16. F. K. von Gottberg, K. A. Smith, and A. Hatton, J. Chem. Phys. 106, 9850 (1997).
  17. B. Widom, J. Chem. Phys. 81, 1030 (1984).
  18. S. Karaborni, K. Esselink, P. A. J. Hilbers, B. Smit, J. Karthäuser, N. M. van Os, and R. Zana, Science 266, 254 (1994).
  19. R. Goetz and R. Lipowsky, J. Chem. Phys. 108, 7397 (1998).
  20. J.-M. Drouffe, A. C. Maggs, and S. Leibler, Science 254, 1353 (1991).
  21. A. T. Bernardes, J. Phys. II 6, 169 (1996).
  22. A. T. Bernardes, Langmuir 12, 5763 (1996).
  23. H. Noguchi and M. Takasu, Phys. Rev. E 64, 041913 (2001).
  24. J. G. E. M. Fraaije, B. A. C. van Vlimmeren, N. M. Maurits, M. Postma, O. A. Evers, C. Hoffmann, P. Altevogt, and G. Goldbeck-Wood, J. Chem. Phys. 106, 4260 (1997).
  25. R. Hasegawa and M. Doi, Macromolecules 30, 3086 (1997).
  26. P. J. Hoogerbrugge and J. M. V. A. Koelman, Europhys. Lett. 19, 155 (1992).
  27. J. M. V. A. Koelman and P. J. Hoogerbrugge, Europhys. Lett. 21, 363 (1993).
  28. A. D. Mackie, J. B. Avalos, and V. Navas, Phys. Chem. Chem. Phys. 1, 2039 (1999).
  29. R. D. Groot and P. B. Warren, J. Chem. Phys. 107, 4423 (1997).
  30. R. D. Groot and T. J. Madden, J. Chem. Phys. 108, 8713 (1998).
  31. C. M. Wijmans, B. Smit, and R. D. Groot, J. Chem. Phys. 114, 7644 (2001).
  32. R. D. Groot and K. L. Rabone, Biophys. J. 81, 725 (2001).

CITING ARTICLES
For access to citing articles, you need to log in.
For access to citing articles, you need to Log in.


Copyright © American Institute of Physics