Visible light-induced cross-linking of unmodified gelatin with PEGDA for DLP-3D printable hydrogels


Published: 29 September 2021
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Authors

  • Michael Zanon Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Turin, Italy.
  • Désirée Baruffaldi Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Turin; PolitoBIOMed Lab, Politecnico di Torino, Turin, Italy.
  • Marco Sangermano Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Turin, Italy.
  • Candido Fabrizio Pirri Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Turin; PolitoBIOMed Lab, Politecnico di Torino, Turin, Italy.
  • Francesca Frascella Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Turin; PolitoBIOMed Lab, Politecnico di Torino, Turin, Italy.
  • Annalisa Chiappone Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Turin; PolitoBIOMed Lab, Politecnico di Torino, Turin, Italy.

The 3D printability of cold-water fish gelatin used as co-initiating species for the crosslinking of PEGDA monomers in presence of camphorquinone (through a Norrish II reaction) is evaluated. The 3D digital light processing leads to the creation of biocompatible printed structures able to support cell viability and proliferation.


Zanon, M., Baruffaldi, D., Sangermano, M., Pirri, C. F., Frascella, F., & Chiappone, A. (2021). Visible light-induced cross-linking of unmodified gelatin with PEGDA for DLP-3D printable hydrogels. Biomedical Science and Engineering, 2(1). https://doi.org/10.4081/bse.201

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