Using chemical reactions and diffusion to control pattern formation requires the careful design of reaction networks and a balance of kinetics that is difficult to achieve. Now, it has been shown that DNA-based reaction networks provide a robust method for transforming patterns.
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Scalise, D., Schulman, R. Colour by number. Nature Chem 5, 986–987 (2013). https://doi.org/10.1038/nchem.1807
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DOI: https://doi.org/10.1038/nchem.1807
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