Microstructure of polymer hydrogels studied by pulsed field gradient NMR diffusion and TEM methods
Journal article, 2011
The microstructure of various alginate gels have been studied by pulsed field gradient NMR (PFG NMR) and transmission electron microscopy (TEM). The reduced diffusivity of dendrimer diffusion within the gels has been obtained from PFG NMR diffusion experiments. The polymer strand radius, an important microstructural property, has been extracted from various diffusion models. The results agree well with the polymer strand radii obtained from image analysis of the corresponding TEM micrographs.
solvent
hindered transport
model
gelation
fibrous membranes
alginate
composition
formulations
nuclear-magnetic-resonance
methanol-water mixtures
gels
Author
Diana Bernin
Chalmers, Chemical and Biological Engineering, Applied Surface Chemistry
SuMo Biomaterials
G. J. Goudappel
Unilever
M. van Ruijven
Unilever
A. Altskär
SIK – the Swedish Institute for Food and Biotechnology
Anna Ström
Unilever
Mats Rudemo
University of Gothenburg
Chalmers, Mathematical Sciences, Mathematical Statistics
A. M. Hermansson
SIK – the Swedish Institute for Food and Biotechnology
Magnus Nydén
Chalmers, Chemical and Biological Engineering, Applied Surface Chemistry
SuMo Biomaterials
Soft Matter
1744-683X (ISSN) 1744-6848 (eISSN)
Vol. 7 12 5711-5716Subject Categories
Chemical Sciences
DOI
10.1039/c1sm05070b