View source for Atomically precise nanostructure

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* DNA (sriff frameworks for block precise resolution)
* RNA [note: environment dependedt folding]
* polypeptides [note: de novo design]
* foldamers > peptidomimetics > peptoids
* polyoxymetallates
* (diamond) mechanosynthesis tooltips
* moieties
* stiff organic molecules [note: sandwitches]
* further: buckyballs, metallorganic compounds
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* artificially extended DNA (to encode unnatural amino acids) [http://www.foresight.org/nanodot/?p=6098 Expanded DNA alphabet provides more options for nanotechnology]