Spherical bilayer vesicles of fullerene-based surfactants in water: A laser light scattering study

S. Zhou, C. Burger, B. Chu, M. Sawamura, N. Nagahama, M. Toganoh, U. E. Hackler, H. Isobe, E. Nakamura

Research output: Contribution to journalArticle

364 Citations (Scopus)

Abstract

The low solubility of fullerenes in aqueous solution limits their applications in biology. By appropriate substitution, the fullerenes can be transformed into stabilized anions that are water soluble and can form large aggregated structures. A laser light scattering study of the association behavior of the potassium salt of pentaphenyl fullerene (Ph5C60K) in water revealed that the hydrocarbon anions Ph5C60- associate into bilayers, forming stable spherical vesicles with an average hydrodynamic radius and a radius of gyration of about 17 nanometers at a very low critical aggregation concentration of less than 10-7 moles per liter. The average aggregation number of associated particles in these large spherical vesicles is about 1.2 × 104.

Original languageEnglish
Pages (from-to)1944-1947
Number of pages4
JournalScience
Volume291
Issue number5510
DOIs
Publication statusPublished - Mar 9 2001
Externally publishedYes

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Fullerenes
Surface-Active Agents
Lasers
Light
Anions
Water
Hydrodynamics
Hydrocarbons
Solubility
Potassium
Salts

All Science Journal Classification (ASJC) codes

  • General

Cite this

Zhou, S., Burger, C., Chu, B., Sawamura, M., Nagahama, N., Toganoh, M., ... Nakamura, E. (2001). Spherical bilayer vesicles of fullerene-based surfactants in water: A laser light scattering study. Science, 291(5510), 1944-1947. https://doi.org/10.1126/science.291.5510.1944

Spherical bilayer vesicles of fullerene-based surfactants in water : A laser light scattering study. / Zhou, S.; Burger, C.; Chu, B.; Sawamura, M.; Nagahama, N.; Toganoh, M.; Hackler, U. E.; Isobe, H.; Nakamura, E.

In: Science, Vol. 291, No. 5510, 09.03.2001, p. 1944-1947.

Research output: Contribution to journalArticle

Zhou, S, Burger, C, Chu, B, Sawamura, M, Nagahama, N, Toganoh, M, Hackler, UE, Isobe, H & Nakamura, E 2001, 'Spherical bilayer vesicles of fullerene-based surfactants in water: A laser light scattering study', Science, vol. 291, no. 5510, pp. 1944-1947. https://doi.org/10.1126/science.291.5510.1944
Zhou, S. ; Burger, C. ; Chu, B. ; Sawamura, M. ; Nagahama, N. ; Toganoh, M. ; Hackler, U. E. ; Isobe, H. ; Nakamura, E. / Spherical bilayer vesicles of fullerene-based surfactants in water : A laser light scattering study. In: Science. 2001 ; Vol. 291, No. 5510. pp. 1944-1947.
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