| Autor: |
G. M. Pavlov, O. V. Nazarova, C. Ebel, N. A. Mikhailova, I. I. Zaitseva, S. N. Bokov, L. S. Litvinova, E. V. Afanaseva, E. V. Korneeva, E. F. Panarin |
| Předmět: |
|
| Zdroj: |
Russian Journal of Applied Chemistry; Jan2005, Vol. 78 Issue 1, p130-136, 7p |
| Abstrakt: |
Abstract Star-like water-soluble macromolecules with fullerene as the branching site were synthesized by the reaction of fullerene C60 with polyvinylpyrrolidone whose molecules contain one terminal primary amino group. The initial and C60-containing polymers were studied by UV spectroscopy, thin-layer chromatography, centrifugal sedimentation, translation diffusion, and viscometry in aqueous buffer solutions. Diffusion-sedimentation and sedimentation two-detector analyses of the initial and fullerene-containing samples were performed. The molecular weights of the polymers were estimated by the Svedberg equation. The proportion of the fullerene-containing segment in the samples synthesized was determined, and the number of the branches in the fullerene-containing macromolecules was estimated. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
|
Full text from SpringerLink