Interfacial thickness of liposomes containing poly(ethylene glycol)-cholesterol from electrophoresis

Biophysical Journal

Volumn 70, Issue 1, 1996, Pages 313-320

  Janzen, J ^a   Song, X ^b   Brooks, D E ^a  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^b 2211 Wesbrook Mall ^*

Author keywords

[No Author keywords available]

Indexed keywords

CHOLESTEROL; LIPOSOME; MACROGOL;

ARTICLE; CALCULATION; ELECTROPHORESIS; ELECTROPHORETIC MOBILITY; LIPID ANALYSIS; LIPID COMPOSITION; LIPID MEMBRANE;

BIOPHYSICS; CHOLESTEROL; ELECTROCHEMISTRY; ELECTROPHORESIS; LIPOSOMES; MICELLES; MODELS, CHEMICAL; MOLECULAR WEIGHT; OSMOLAR CONCENTRATION; POLYETHYLENE GLYCOLS; SURFACE PROPERTIES;

EID: 0030040506     PISSN: 00063495     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0006-3495(96)79572-3     Document Type: Article

References (33)

1. Allen, T. M., C. Hansen, F. Martin, C. Redemann, and A. Yau-Young. 1991. Liposomes containing synthetic lipid derivatives of poly(ethylene alyco1) show prolonged circulation half-lives in vivo. Biochim. Biophys. Acta. 1066:29-36.
2. Barragán, V. M., C. Ruiz-Bauzá, and J. I Mengual. 1994. Effect of unstirred solution layers on electro-osmotic permeability of cation-exchange membranes. J. Colloid Interface Sci. 168:458-464.
3. Brooks, D. E., and G. V. F. Seaman. 1973. The effect of neutral polymers on the electrokinetic potential of cells and other charged particles. I. Models for the zeta potential increase. J. Colloid Interface Sci. 43: 670-686.
4. Cosgrove, T., T. Heath, B. van Lent, F. Leermakers, and J. Scheutjens. 1987. Configuration of terminally attached chains at the solid/solvent interface: self-consistent field theory and a Monte Carlo model. Macro-molecules. 20:1692-1696.
5. Cosgrove, T., and K. Ryan. 1990. NMR and neutron-scattering on poly-(ethylene oxide) terminally attached to the polystyrene/water interface. Langmuir. 6:136-142.
6. de Gennes, P. G. 1980. Conformations of polymers attached to an interface. Macromolecules. 13:1069-1075.
7. de Gennes, P. G. 1988. Model polymers at interfaces. In Physical Basis of Cell-Cell Adhesion. P. Bongrand, editor. CRC Press, Boca Raton. FL. 91-123
8. Donath, E., and V. Pastushenko. 1979. Electrophoretical study of cell surface properties. The influence of the surface coat on the electric potential distribution and on general electrokinetic properties of animal cells. Bioelectrochem. Bioenerg. Sect. J. 6:543-554.
9. Eisenberg, M., T. Gresalfi, T. Riccio, and S. McLaughlin. 1979. Adsorption of monovalent cations to bilayer membranes containing negative phospholipids. Biochemistry. 18:5213-5223.
10. Fleer, G J., M A. Cohen-Stuart, J. M. H. M. Scheutjens, T. Cosgrove, and B. Vincent. 1993. Polymers at Interfaces. Chapman and Hall, London.
11. Harris, J. M. 1992. Poly(Ethylene Glycol) Chemistry: Biotechnical and Biomedical Applications. Plenum Press, New York.
12. Israelachvili, J. 1991. Intermolecular and Surface Forces. Academic Press, London.
13. Jones. I. S. 1979. A theory of electrophoresis of large colloid particles with adsorbed polyelectrolyte J. Colloid Interface Sci. 68:451-461
14. Kenworthy, A. K., K. Hristova, D. Needham, and T. J. McIntosh. 1995a. Range and magnitude of the steric pressure between bilayers containing phospholipids with covalently attached poly(ethylene glycol). Biophys. J. 68:1921-1936.
15. Kenworthy, A. K., S A. Simon, and T J. McIntosh. 1995b. Structure and phase behavior of lipid suspensions containing phospholipids with covalently attached poly(ethylene glycol). Biophys. J. 68:1903-1920.
16. Kuhl, T. L., D. E. Leckband, D. D. Lasic, and J. N. Israelachvili. 1994. Modulation of interaction forces between bilayers exposing short-chained ethylene oxide headgroups. Biophys. J. 66:1479-1488.
17. Levine, S., M. Levine, K. A. Sharp, and D. E. Brooks. 1983. Theory of the electrokinetic behavior of human erythrocytes. Biophys. J. 42:127-135.
18. Lin, Y. S., V. Hlady, and C.-G. Gölander. 1994. The surface density gradient of grafted poly(ethylene glycol): preparation, characterization and protein adsorption. Colloids Surfaces B Biointerfaces. 3:49-62.
19. Milner, S. T., T. A. Witten, and M. E. Cates. 1988. Theory of the grafted polymer brush. Macromolecules. 21:2610-2619.
20. Milner, S. T., T. A. Witten, and M. E. Gates. 1989. Effects of polydispersiry in the end-grafted polymer brush. Macromolecules. 22:853-861.
21. Napper, D. H. 1983. Polymeric Stabilization of Colloidal Dispersions. Academic Press, London.
22. Ohshima, H., and T. Kondo. 1989. Approximate analytic expression for the electrophoretic mobility of colloidal particles with surface-charge layers. J. Colloid Interface Sci. 130:281-282.
23. Parr, M. J., S. M. Ansell, L. S. Choi, and P R. Cullis. 1994. Factors influencing the retention and chemical stability of poly(ethylene glycol)-lipid conjugates incorporated into large unilamellar vesicles. Biochim. Biophys. Acta. 1195:21-30.
24. Parsegian, V. A., R. P. Rand, N. L. Fuller, and R. C. Rau. 1986. Osmotic stress for the direct measurement of intermolecular forces. Methods Enzymol. 127:400-416.
25. Patel, K. R., M. P. Li, J. R. Schuh, and J. D. Baldeschwieler. 1984. The pharmacological efficacy of a rigid non-phospholipid liposome drug delivery system. Biochim. Biophys. Acta. 797:20-26.
26. Sarmoria, C , and D. Blankschtein. 1992. Conformation characteristics of short poly(ethylene oxide) chains terminally attached to a wall and free in aqueous solution. J. Phys. Chem. 96:1978-1983.
27. Sharp, K. A., and D. E. Brooks. 1985. Calculation of the electrophoretic mobility of a particle bearing bound polyelectrolyte using the non-linear Poisson-Boltzmann equation. Biophys. J. 47:563-566.
28. Small. D. M. 1967. Phase equilibria and structure of dry and hydrated egg lecithin. J. Lipid Res. 8.551-557.
29. Smith, L. L. 1981. Cholesterol Autoxidation. Plenum Press, New York and London.
30. Woodle, M. C., L. R. Collins, E. Sponsler, N. Kossovsky, D. Papahadjo-poulos, and F. J. Martin. 1992. Starically stabilized liposomes. Reduction in electrophoretic mobility but not electrostatic surface potential. Biophys. J. 61:902-910.
31. Wunderlich, R. W 1982. The effects of surface structure on the electrophoretic mobilities of large particles. J. Colloid Interface Sci 88: 385-397.
32. Yoshioka, H. 1991. Surface modification of haemoglobin-containing liposomes with polyethylene glycol prevents liposome aggregation in blood plasma. Biomaterials. 12:861-864.
33. Zhulina, E. B., and T. A. Vilgis. 1995. Scaling theory of planar brushes formed by branched polymers. Macromolecules. 28:008-1015.