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Nature 432, 791 (16 December 2004) | doi:10.1038/432791a; Published online 15 December 2004

Growing nanotech trade hit by questions over quality

Jim Giles

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Booming business may mean surge in shoddy supplies.

The surge of interest in nanotechnology has created buyers and sellers of materials who aren't properly equipped to do business, analysts have warned.A survey of nanotechnology companies has revealed a series of problems with the supply of nanomaterials — tiny tubes, wires and cages with dimensions of just billionths of a metre.