ArticleBiophysical journal2022
Mechanical deformation behaviors and structural properties of ligated DNA crystals.
Article in Biophysical journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Design and Characterization of DX-Tile DNA Nanostar-Based Hydrogels.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Acoustically seeded fabrication of a DNA tesseract into a conductive wire.Nucleic acids research · 2025Article
- Measuring multisubunit mechanics of geometrically programmed colloidal assemblies via cryo-EM multi-body refinement.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Mechanics of dynamic and deformable DNA nanostructures.Chemical science · 2023Review
- Exploring the Potential of Three-Dimensional DNA Crystals in Nanotechnology: Design, Optimization, and Applications.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Review
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
DNA self-assembly has emerged as a powerful strategy for constructing complex nanostructures. While the mechanics of individual DNA strands have been studied extensively, the deformation behaviors and structural properties of self-assembled architectures are not well understood. This is partly due to the small dimensions and limited experimental methods available. DNA crystals are macroscopic crystalline structures assembled from nanoscale motifs via sticky-end association. The large DNA constructs may thus be an ideal platform to study structural mechanics. Here, we investigate the fundamental mechanical properties and behaviors of ligated DNA crystals made of tensegrity triangular motifs. We perform coarse-grained molecular dynamics simulations and confirm the results with nanoindentation experiments using atomic force microscopy. We observe various deformation modes, including untension, linear elasticity, duplex dissociation, and single-stranded component stretch. We find that the mechanical properties of a DNA architecture are correlated with those of its components. However, the structure shows complex behaviors which may not be predicted by components alone and the architectural design must be considered.
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