Biotintas de alginato para impresión 3D: efecto de la estructura en sus propiedades reológicas
- Jorge Mercado 1
- Adrián Esteban-Arranz
- Alejandro Hernández-Sosa 1
- Amparo López-Rubio
- Hylenne Bojorges
- María José Fabra
- Antonio Martinez-Abad
- Rebeca Hernández
- 1 ICTP-CSIC
ISSN: 0034-8708
Year of publication: 2022
Issue Title: polímeros naturales, biodegradables y de fuentes naturales
Volume: 124
Issue: 784
Type: Article
More publications in: Revista de plásticos modernos: Ciencia y tecnología de polímeros
Abstract
Alginate is a natural polymer with a fast gelation process at room temperature in the presence of divalent cations, which is widely used in 3D printing by extrusion. In this work, three different alginates with different structural characteristics, one commercial and two extracted in the lab from algae were used to prepare alginate bioinks. These bioinks were crosslinked with different concentrations of CaCl2. Results from the inverted vial and flow measurements allowed to conclude that alginate with a lower M/G ratio gave rise to bioinks with higher viscosity at lower concentrations of CaCl2. This work shows the influence that the alginate structure possesses for the generation of bioinks that will be used to produce scaffolds by 3D printing technique