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Evolutionary design of optimal surface topographies Sci Rep published.pdf (2.33 MB)

Evolutionary design of optimal surface topographies for biomaterials

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posted on 2022-02-25, 00:52 authored by Aliaksei Vasilevich, Aurelie Carlier, David WinklerDavid Winkler, Shantanu Singh, Jan de Boer
Natural evolution tackles optimization by producing many genetic variants and exposing these variants to selective pressure, resulting in the survival of the fittest. We use high throughput screening of large libraries of materials with differing surface topographies to probe the interactions of implantable device coatings with cells and tissues. However, the vast size of possible parameter design space precludes a brute force approach to screening all topographical possibilities. Here, we took inspiration from Nature to optimize materials surface topographies using evolutionary algorithms. We show that successive cycles of material design, production, fitness assessment, selection, and mutation results in optimization of biomaterials designs. Starting from a small selection of topographically designed surfaces that upregulate expression of an osteogenic marker, we used genetic crossover and random mutagenesis to generate new generations of topographies.


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