Acoustically shaped DNA-programmable materials

Z. A. Arnon, S. Piperno, D. C. Redeker, E. Randall, A. V. Tkachenko, H. Shpaisman and O. Gang ()
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Z. A. Arnon: Columbia University
S. Piperno: Bar-Ilan University
D. C. Redeker: Columbia University
E. Randall: Columbia University
A. V. Tkachenko: Brookhaven National Laboratory
H. Shpaisman: Bar-Ilan University
O. Gang: Columbia University

Nature Communications, 2024, vol. 15, issue 1, 1-8

Abstract: Abstract Recent advances in DNA nanotechnology allow for the assembly of nanocomponents with nanoscale precision, leading to the emergence of DNA-based material fabrication approaches. Yet, transferring these nano- and micron-scale structural arrangements to the macroscale morphologies remains a challenge, which limits the development of materials and devices based on DNA nanotechnology. Here, we demonstrate a materials fabrication approach that combines DNA-programmable assembly with actively driven processes controlled by acoustic fields. This combination provides a prescribed nanoscale order, as dictated by equilibrium assembly through DNA-encoded interactions, and field-shaped macroscale morphology, as regulated by out-of-equilibrium materials formation through specific acoustic stimulation. Using optical and electron microscopy imaging and x-ray scattering, we further revealed the nucleation processes, domain fusion, and crystal growth under different acoustically stimulated conditions. The developed approach provides a pathway for the fabrication of complexly shaped macroscale morphologies for DNA-programmable nanomaterials by controlling spatiotemporal characteristics of the acoustic fields.

Date: 2024
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DOI: 10.1038/s41467-024-51049-7

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