The microparticulate inks for bioprinting applications.

Area of Science:

• Biomaterials Science
• Tissue Engineering
• Regenerative Medicine

Background:

• Three-dimensional (3D) bioprinting is revolutionizing tissue engineering by enabling the fabrication of complex biological structures.
• Bioinks are critical components, providing structural integrity and mimicking the native cellular microenvironment essential for cell function.
• Microparticulate bioinks represent a significant advancement, offering unique properties for sophisticated tissue construct development.

Purpose of the Study:

• To review recent advancements in microparticulate bioinks for 3D bioprinting.
• To categorize different types of microparticulate materials and their formulations.
• To discuss the challenges and future directions in microparticle bioink technology.

Main Methods:

• Categorization of microparticulate materials: polymeric, tissue-derived, and bioactive inorganic microparticles.
• Introduction of microparticle ink formulations: granular and composite inks.
• Analysis of microparticle ink formulation strategies and their modular capabilities.

Main Results:

• Microparticulate bioinks offer versatile platforms for 3D bioprinting applications.
• Different material compositions and formulation strategies yield distinct bioink properties.
• The review highlights the potential of microparticle inks in creating functional tissue constructs.

Conclusions:

• Microparticulate bioinks are a rapidly evolving area within 3D bioprinting.
• Further research is needed to overcome current challenges in their design and application.
• Advancements in microparticle bioink technology hold significant promise for regenerative medicine and tissue engineering.