Researchers report a simple method to manufacture biocompatible structural colors using only melanin and silica. The silica shell provides a buffer layer of tunable thickness that allows customization of the particular color, offering the potential to fabricate a new breed of long-lasting pigments that don’t fade.
Read MoreResearchers at the University of Manchester in the U.K. have devised a strategy that gives new use to diatom shells, using the silica shells as scaffolds for building atomic sheets of molybdenum disulfide.
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