Structural DNA nanotechnology: growing along with Nano Letters

Area of Science:

• Structural DNA nanotechnology
• Nanoscale engineering
• Biomolecular self-assembly

Background:

• The field of structural DNA nanotechnology has experienced substantial growth in participants and capabilities over the last decade.
• Previous goals included extending self-assembled crystalline systems to 3D and achieving 2D algorithmic assembly.

Purpose of the Study:

• To review the major advancements in structural DNA nanotechnology over the past decade.
• To highlight key achievements and emerging capabilities in the field.

Main Methods:

• Review of progress in self-assembled crystalline systems (2D to 3D).
• Development and analysis of nanoscale walking devices.
• Exploration of DNA origami for expanded structural addressability.
• Integration of nanomechanical devices into 2D arrays and origami structures.
• Investigation of DNA's role in scaffolding non-DNA species.
• Accomplishment of biological replication for simple DNA nanostructures.

Main Results:

• Extension of self-assembled crystalline systems from 2D to 3D.
• Achievement of 2D algorithmic assembly.
• Development of various nanoscale walking devices.
• Emergence of DNA origami, vastly expanding DNA structure scale.
• Incorporation of nanomechanical devices into 2D arrays and origami structures, creating capture systems and assembly lines.
• Successful use of DNA to scaffold non-DNA species.
• Demonstration of biological replication for simple DNA nanostructures.

Conclusions:

• Structural DNA nanotechnology has achieved numerous key goals set forth in the early 2000s.
• DNA origami has revolutionized the scale and complexity of DNA nanostructures.
• The field shows great promise for continued innovation and expansion in the next decade.