New metal crystals, formed on a cotton assembly line

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Left an electron micrograph (TEM) of a metal in this case platinum deposited on cellulose. Inset crystalline cellulose without metal. Right TEM showing the pattern of platinum clustering along hydroxyl sites on the cellulose surface. Credit: Pacific ...
Left, an electron micrograph (TEM) of a metal, in this case platinum, deposited on cellulose. Inset, crystalline cellulose without metal. Right, TEM showing the pattern of platinum clustering along hydroxyl sites on the cellulose surface. Credit: Pacific Northwest National Laboratory

Appropriating cellulose fibers from cotton and crystallizing them, scientists at Pacific Northwest National Laboratory have grown never-before-seen configurations of metal crystals that show promise as components in biosensors, biological imaging, drug delivery and catalytic converters.


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