Stereolithography apparatus and digital light processing-based 3D bioprinting for tissue fabrication

Area of Science:

• Biomedical Engineering
• Regenerative Medicine
• Tissue Engineering

Background:

• Three-dimensional (3D) bioprinting is a key technology in biomedical research.
• Stereolithography (SLA) and Digital Light Processing (DLP) are advanced vat-polymerization bioprinting methods.
• These techniques enable the creation of high-resolution, complex biological structures.

Purpose of the Study:

• To review stereolithography (SLA) and digital light processing (DLP)-based 3D bioprinting strategies.
• To discuss factors influencing SLA and DLP bioprinting processes.
• To summarize advancements in bioinks and applications for these bioprinting methods.

Main Methods:

• Review of existing literature on SLA and DLP bioprinting.
• Analysis of factors affecting bioprinting resolution and fidelity.
• Categorization of bioinks (natural and synthetic) for SLA and DLP.

Main Results:

• SLA and DLP bioprinting excel in producing high-resolution and architecturally sophisticated constructs.
• Various natural and synthetic bioinks are suitable for SLA and DLP applications.
• Key factors influencing bioprinting success were identified.

Conclusions:

• SLA and DLP are powerful 3D bioprinting techniques for advanced biomedical applications.
• Future research should focus on optimizing bioinks and processes for regenerative medicine and tissue engineering.
• Bioprinting holds significant promise for creating functional tissues and disease models.