Ligand passivated gold nanoparticles
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United States of America Patent
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Jun 20, 2017
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Jul 31, 2014
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Jul 31, 2013
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Abstract
The invention provides novel gold nanoclusters of the formula Au20(SR)15(weak ligand), wherein each R is independently an organic group, and the weak ligand is a weakly associating gold ligand of Formula I as described herein. The nanocluster can have an approximate molecular weight of 6 kDa. Corresponding dimers of the nanocluster can have an approximate molecular weight of 10 kDa (by SEC). The invention also provides methods of making and using the gold nanoclusters.
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