3D Bioprinted Nanocellulose-Based Hydrogels for Tissue Engineering Applications: A Brief Review

Area of Science:

• Biomedical Engineering
• Materials Science

Background:

• Nanocellulosic materials (cellulose nanocrystals, cellulose nanofibers, bacterial nanocellulose) offer high surface area, mechanical strength, biodegradability, and tunable surface chemistry.
• These properties make them highly attractive for biomedical applications, driving significant research interest over the past decade.

Purpose of the Study:

• To review recent advancements and challenges in 3D bioprinting nanocellulose-based hydrogel constructs.
• To highlight the potential of these materials in tissue engineering and regenerative medicine.

Main Methods:

• Review of recent literature on nanocellulose hydrogels for 3D bioprinting.
• Focus on materials exhibiting shear-thinning behavior and biocompatibility for cell support.
• Analysis of constructs tested for mammalian cell viability and tissue engineering applications.

Main Results:

• Nanocellulosic materials demonstrate excellent printability and biocompatibility, crucial for 3D bioprinting.
• The unique properties of nanocellulose enable the creation of advanced, functional 3D hydrogels.
• Successfully tested constructs show viability for mammalian cells and utility in tissue engineering.

Conclusions:

• The integration of nanocellulose and 3D bioprinting is a critical area for developing next-generation biomedical materials.
• Further research is needed to overcome current challenges and fully realize the potential of these constructs in tissue engineering.