Molecular characteristics of lactodendrimers based on poly(amidoamine)

Citation
Gm. Pavlov et al., Molecular characteristics of lactodendrimers based on poly(amidoamine), VYSO SOED, 41(11), 1999, pp. 1810-1815
Citations number
21
Language
RUSSO
art.tipo
Article
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
VYSOKOMOLEKULYARNYE SOEDINENIYA SERIYA A & SERIYA B
ISSN journal
0507-5475 → ACNP
Volume
41
Issue
11
Year of publication
1999
Pages
1810 - 1815
Database
ISI
SICI code
0507-5475(199911)41:11<1810:MCOLBO>2.0.ZU;2-P
Abstract
The methods of sedimentation-diffusion analysis and viscometry were applied to study six generations of hybrid lactopoly(amidoamine) dendrimers. The s edimentation coefficients in the range(0.65-6.2) x 10(-13) s and the diffus ion coefficients in the range (19.1-4.9) x 10(-7) cm(2)/s were determined. The molecular masses calculated from these data fall in the range (2.5-93) x 10(3). The intrinsic viscosity is small and varies weakly in going from o ne generation to another. The high-rate sedimentation coefficient is the mo st sensitive to variation of the molecular mass of dendrimers. The hydrodyn amic size of the lactodendrimers studied was compared to that of lactodendr imers prepared on the basis of poly(propylene imine) dendrimers.