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Acoustically shaped DNA-programmable materials
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DOI：10.1038/s41467-024-51049-7.png)
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Abstract
En 中文
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. DNA nanotechnology is useful in preparing nano- and meso-components, but transfer to macroscale arrangements is challenging. Here, the authors report an assembly approach combining DNA programmable assembly with process controlled by acoustic fields to prepare macroscale morphologies.
Keywords:
NEXT-GENERATION
NANOPARTICLES
ARRAYS
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