Diffusion across a gel-gel interface - molecular-scale mobility of self-assembled 'solid-like' gel nanofibres in multi-component supramolecular organogels.

ABSTRACT: This paper explores macroscopic-scale diffusion of the molecular-scale building blocks of two-component self-assembled organogel nanofibres using a diffusion cell in which two different gels are in contact with one another. Both components of the 'solid-like' nanofibres (lysine peptide dendron acids and amines) can diffuse through these gels and across a gel-gel interface, although diffusion is significantly slower than that of a non-interactive additive in the 'liquid-like' phase of the gel. Amine diffusion was probed by bringing similar gels with different amines into contact. Dendron acid diffusion was tested by bringing similar gels with enantiomeric dendrons into contact. Surprisingly, dendron and amine diffusion rates were similar, even though the peptide dendron is more intimately h

SUBMITTER: Ruiz-Olles J 

PROVIDER: S-EPMC6048691 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature