High-endurance mechanical switching in a DNA origami snap-through mechanism
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916738331836416 |
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| author | Rothfischer, Florian Weiß, Lennart J. K. Tedeschi, Niccolò Matthies, Michael Vogt, Matthias Karfusehr, Christoph Hebel, Alexander Šulc, Petr Liedl, Tim Kopperger, Enzo Simmel, Friedrich C. |
| author_facet | Rothfischer, Florian Weiß, Lennart J. K. Tedeschi, Niccolò Matthies, Michael Vogt, Matthias Karfusehr, Christoph Hebel, Alexander Šulc, Petr Liedl, Tim Kopperger, Enzo Simmel, Friedrich C. |
| contents | Switchable elements are key components of dynamic technological and biological systems, enabling reversible transitions between well-defined states. Here, we present a DNA origami-based, mechanically bistable snap-through mechanism that can be electrically controlled. This nanoscale switch exhibits long-term stability in both states in the absence of external stimuli, while achieving millisecond-scale switching times upon application of an electric field. Individual devices sustain hundreds of thousands of switching cycles over several hours, offering a powerful platform for systematically studying the endurance and failure mechanisms of biomolecular nanoswitches. Functionalization with a gold nanorod further allows polarization-dependent optical modulation, opening avenues for applications in plasmonics. This versatile electromechanical interface has potential uses in molecular information processing, optical nanodevices, and the dynamic control of chemical reactions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_10544 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | High-endurance mechanical switching in a DNA origami snap-through mechanism Rothfischer, Florian Weiß, Lennart J. K. Tedeschi, Niccolò Matthies, Michael Vogt, Matthias Karfusehr, Christoph Hebel, Alexander Šulc, Petr Liedl, Tim Kopperger, Enzo Simmel, Friedrich C. Applied Physics Switchable elements are key components of dynamic technological and biological systems, enabling reversible transitions between well-defined states. Here, we present a DNA origami-based, mechanically bistable snap-through mechanism that can be electrically controlled. This nanoscale switch exhibits long-term stability in both states in the absence of external stimuli, while achieving millisecond-scale switching times upon application of an electric field. Individual devices sustain hundreds of thousands of switching cycles over several hours, offering a powerful platform for systematically studying the endurance and failure mechanisms of biomolecular nanoswitches. Functionalization with a gold nanorod further allows polarization-dependent optical modulation, opening avenues for applications in plasmonics. This versatile electromechanical interface has potential uses in molecular information processing, optical nanodevices, and the dynamic control of chemical reactions. |
| title | High-endurance mechanical switching in a DNA origami snap-through mechanism |
| topic | Applied Physics |
| url | https://arxiv.org/abs/2505.10544 |