Biocatalytic Growth of Au Nanoparticles: From Mechanistic Aspects to Biosensors Design
Nano Letters2004Vol. 5(1), pp. 21–25
Citations Over TimeTop 10% of 2004 papers
Abstract
The H(2)O(2)-mediated enlargement of Au nanoparticles (NPs) and the growth mechanism are described. In addition to the deposition of gold on the NP faces, the formation of nanocrystalline clusters at the intersection of the faces is observed. The detachment of the latter nanoclusters provides additional seeds for the deposition of gold. The biocatalyzed generation of H(2)O(2) in the presence of O(2)/glucose and glucose oxidase enabled the development of an optical biosensor for glucose.
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