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June 3rd, 2004

Making nanoparticles stoichiometric

Abstract:
Chemically tagged nanocrystals are becoming widely used as 'molecular labels' for sensing and monitoring applications - for example, to track individual biomolecules in cells. But because each nanoparticle typically has an appreciable surface area relative to the size of a molecule, it can be hard to control the stoichiometry of chemical reactions involving such particles. Robert Wilson and colleagues at Liverpool U in the UK have now devised a means of achieving this.

Source:
* Nature

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