Related Experiment Video
Updated: Apr 10, 2026
08:59
DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing Applications
Published on: September 27, 2019
12.3K
Custom-shaped metal nanostructures based on DNA origami silhouettes
Boxuan Shen1, Veikko Linko, Kosti Tapio
1University of Jyvaskyla, Department of Physics, Nanoscience Center, P.O. Box 35, FI-40014. and University of Jyväskylä, Finland. j.jussi.toppari@jyu.fi.
Nanoscale
|June 13, 2015
Summary
DNA origami nanoshapes enable precise, large-scale fabrication of metallic nanostructures on silicon. This cost-effective method uses DNA designs as masks for creating custom gold, silver, or copper patterns with high yield.
Area of Science:
- Nanotechnology
- Materials Science
- Bionanotechnology
Background:
- DNA origami offers custom nanostructure development for bionanotechnology.
- Existing methods focus on DNA metallization or nanoparticle attachment for plasmonic devices.
Purpose of the Study:
- To demonstrate an alternative method for creating metallic nanostructures using DNA origami.
- To achieve accurate, uniform, and entirely metallic nanostructures on silicon substrates.
Main Methods:
- Utilizing DNA origami nanoshapes to create silhouettes in silicon dioxide layers.
- Employing these silhouettes as masks for subsequent patterning.
- Applying metals like gold, silver, and copper for nanostructure fabrication.
Main Results:
- Achieved high spatial resolution in patterning.
- Fabrication yields approaching 90%.
- Demonstrated cost-effective, parallel, large-scale patterning of tailored metallic nanostructures.
Conclusions:
- DNA origami provides a versatile platform for fabricating custom metallic nanostructures.
- The described technique enables precise control over shape and material selection.
- This method is suitable for various bionanotechnological and nanophotonic applications.
