| ||||||||||||||||||||
Sporopollenin microcapsules from pine pollen
Purified exines prepared from pine pollen represent sporopollenin microcapsules. Bohne et al. (pp. 289-297) find that the inner layers of the central capsule have a low permeability even for small solutes as required for controlled release applications. In contrast, the highly porous and rigid wall of the sacci allows rapid exchange of large colloids, which is crucial for chromatography.
| ||||||||||||||||||||