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Keywords:

  • encapsulation;
  • encoding;
  • hydrogels;
  • microcapsules;
  • polyelectrolytes
Thumbnail image of graphical abstract

Encoding by encapsulation: A polymeric shell fabrication approach combines biomolecule encapsulation with encoding. Striated polymeric shells, fabricated through an inwards diffusion of poly(allylamine) into the matrices of agarose microbeads, serves to encapsulate the biomolecules within the microcapsule. Encoding is performed through the color and/or thickness permutation of the striated polymeric shells (see picture).