Multimaterial additive manufacturing of GelMA hydrogel-based structures with tuneable compositional and mechanical properties

Key Points

• The study aims to explore the potential of multimaterial additive manufacturing for creating GelMA hydrogel structures with adjustable properties.
• Utilized stereolithography processes for additive manufacturing
• Evaluated mechanical properties of different GelMA compositions
• Conducted analyses to assess material compatibility and resolution
• Achieved a significant variation in mechanical properties based on composition (p<0.05)
• Demonstrated high-resolution patterns in hydrogel structures
• Illustrated compatibility of GelMA with other materials in additive manufacturing