Multiscale Biofabrication: Integrating Additive Manufacturing with DNA-Programmable Self-Assembly

Area of Science:

• Synthetic biology
• Biomaterials engineering
• Nanotechnology

Background:

• Biological systems rely on hierarchical structure for function.
• Synthetic biomaterials aim to mimic life-like behaviors.
• Additive manufacturing, including 3D bioprinting, is a key technology.

Purpose of the Study:

• To address the resolution limitations of current additive manufacturing techniques.
• To explore methods for achieving sub-cellular level structuring in synthetic biomaterials.
• To review advances in combining manufacturing with nanotechnology.

Main Methods:

• Overview of additive manufacturing (e.g., 3D bioprinting).
• Discussion of biomolecular nanotechnology approaches.
• Survey of integrated techniques combining microfabrication and bottom-up self-assembly (e.g., DNA nanotechnology).

Main Results:

• Additive manufacturing techniques have limited resolution for sub-cellular structures.
• Biomolecular nanotechnology offers pathways to achieve nanoscale organization.
• Integration of these fields enables the creation of complex, hierarchically structured synthetic biomaterials.

Conclusions:

• Combining additive manufacturing with biomolecular nanotechnology is essential for creating advanced synthetic biomaterials.
• DNA self-assembly and microfabrication are promising tools for achieving sub-cellular precision.
• This integrated approach paves the way for macroscopic synthetic biological objects with life-like properties.