Functional DNA nanostructures for photonic and biomedical applications

Area of Science:

• Nanotechnology
• Biotechnology
• Materials Science

Background:

• DNA nanostructures, particularly DNA origami, are recognized for their programmable shape/size control, spatial addressability, and biocompatibility.
• They serve as versatile platforms for organizing nanoscale components, driving innovation in nanophotonics and nanomedicine.

Purpose of the Study:

• To review the application of DNA nanostructures in organizing noble metal nanoparticles for plasmonic nanoarchitectures.
• To highlight their use in fabricating visualized sensors and enabling targeted drug delivery.
• To discuss the impact of DNA nanostructures on nanoantennas, plasmonic behaviors, single-molecule analysis, and cancer therapy.

Main Methods:

• Review of existing literature on DNA nanostructures and their applications.
• Focus on the precise organization of noble metal nanoparticles.
• Analysis of DNA nanostructures in sensor fabrication and drug delivery systems.

Main Results:

• DNA nanostructures facilitate the creation of advanced plasmonic nanoarchitectures.
• They enable the development of visualized sensors with high sensitivity.
• Applications in targeted drug delivery, including cancer cell targeting and killing, are demonstrated.

Conclusions:

• DNA nanostructures are powerful tools for precise nanoscale organization with significant potential in nanophotonics and nanomedicine.
• Challenges remain for realistic applications, necessitating further research and development in DNA nanotechnology.