| abstract |
The invention relates to an alginate-chitosan acyl derivative microcapsule product, which is characterized by being a spherical microcapsule with a particle size of 10-2000 micrometers and comprising a microcapsule membrane and an inner core. Specifically, the microcapsule membrane is a polyelectrolyte composite hydrogel membrane formed by layer-by-layer assembly of alginate, chitosan and a chitosan acyl derivative. And the inner core is a liquid or hydrogel environment containing a bioactive substance. The microcapsule product is mainly used for cell transplantation, cell culture, as well as embedding carriers of protein, nucleic acid and other bioactive substances. |