Treatment of mammalian cells with dilute silicic acid followed by heating forms silica replicas of the cell template, offering a way to preserve cell specimens and generate biocomposites for various applications.
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Ying, J. Cells made of silica. Nature Nanotech 7, 777–778 (2012). https://doi.org/10.1038/nnano.2012.215
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DOI: https://doi.org/10.1038/nnano.2012.215