Stochastic size control of self-assembled filaments
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915373877559296 |
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| author | Hübl, Maximilian C. Goodrich, Carl P. |
| author_facet | Hübl, Maximilian C. Goodrich, Carl P. |
| contents | Controlling the size and shape of assembled structures is a fundamental challenge in self-assembly, and is highly relevant in material design and biology. Here, we show that specific, but promiscuous, short-range binding interactions make it possible to economically assemble linear filaments of user-defined length. Our approach leads to independent control over the mean and width of the filament size distribution and allows us to smoothly explore design trade-offs between assembly quality (spread in size) and cost (number of particle species). We employ a simple hierarchical assembly protocol to minimize assembly times, and show that multiple stages of hierarchy make it possible to extend our approach to the assembly of higher-dimensional structures. Our work provides a simple and experimentally straightforward solution to size control that is immediately applicable to a broad range of systems, from DNA origami assemblies to supramolecular polymers and beyond. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_04985 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Stochastic size control of self-assembled filaments Hübl, Maximilian C. Goodrich, Carl P. Soft Condensed Matter Controlling the size and shape of assembled structures is a fundamental challenge in self-assembly, and is highly relevant in material design and biology. Here, we show that specific, but promiscuous, short-range binding interactions make it possible to economically assemble linear filaments of user-defined length. Our approach leads to independent control over the mean and width of the filament size distribution and allows us to smoothly explore design trade-offs between assembly quality (spread in size) and cost (number of particle species). We employ a simple hierarchical assembly protocol to minimize assembly times, and show that multiple stages of hierarchy make it possible to extend our approach to the assembly of higher-dimensional structures. Our work provides a simple and experimentally straightforward solution to size control that is immediately applicable to a broad range of systems, from DNA origami assemblies to supramolecular polymers and beyond. |
| title | Stochastic size control of self-assembled filaments |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2507.04985 |