Zeta potential transition correlates with optimal DNA origami silicification temperature

Area of Science:

• Nanotechnology
• Materials Science
• Biophysics

Background:

• DNA origami enables complex nanoscale structure fabrication.
• Controlling surface properties like silica coating is crucial for applications.
• Existing methods lack reproducibility and architecture independence.

Purpose of the Study:

• To investigate the relationship between DNA origami zeta potential and silicification.
• To establish a predictive model for optimal silica coating.
• To achieve reproducible, architecture-independent silica coating on DNA nanostructures.

Main Methods:

• Measuring zeta potential of DNA origami at varying temperatures.
• Correlating zeta potential transitions with silica deposition.
• Applying predictive model to diverse DNA origami architectures.

Main Results:

• Zeta potential transitions accurately predict optimal silicification conditions.
• Silica coating was achieved reproducibly across different nanostructures.
• The method demonstrated architecture-independent control over silica shell formation.

Conclusions:

• Temperature-dependent zeta potential is a key predictor for DNA origami silicification.
• This approach offers a robust strategy for controlled silica coating.
• Enables versatile functionalization of DNA nanostructures for various applications.