A team of researchers from Linköping University (Sweden) has developed a modular and 3D printable hyaluronan-based hydrogels to keep cells alive throughout the printing process.

reference

Aronsson, C., Jury, M., Naeimipour, S., Boroojeni, F. R., Christoffersson, J., Lifwergren, P., … & Aili, D. (2020). Dynamic peptide-folding mediated biofunctionalization and modulation of hydrogels for 4D bioprinting. Biofabrication.

https://www.3dmednet.com/novel-bioink-for-4d-bioprinting-tissue-mimicking-materials/