Method for preparation of planar alginate hydrogels by external gelling using an aerosol of gelling solution.

@article{Papajov2012MethodFP,
  title={Method for preparation of planar alginate hydrogels by external gelling using an aerosol of gelling solution.},
  author={Eva Papajov{\'a} and Marek Bujdo{\vs} and D. Chorvat and Marek Stach and Igor Lac{\'i}k},
  journal={Carbohydrate polymers},
  year={2012},
  volume={90 1},
  pages={472-82}
}
Preparation of planar alginate hydrogels by external gelling requires slow rate of exposure of alginate solution to gelling ions to control gelling process and hydrogel properties. We tackled this issue by exposing solution of sodium alginate to solution of CaCl2 applied as aerosol at exposure rate of 7.5 mg cm(-2) s(-1). Gelling conditions varied with respect to concentrations of sodium alginate (1-3 wt.%) and CaCl2 (0.5-4 wt.%), exposure time (2.5-40 min), the 2nd gelling step in the presence… CONTINUE READING

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