A two-tiered Ag nanoparticle containing a cavity at the center of each nanoparticle is generated by two simple steps of nano-imprinting and metal vacuum deposition. It enables sub-zeptomole detection of organic molecules and five orders of the dynamic sensing range.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3595186 | PMC |
http://dx.doi.org/10.1002/smll.201101523 | DOI Listing |
Small
December 2011
Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA.
A two-tiered Ag nanoparticle containing a cavity at the center of each nanoparticle is generated by two simple steps of nano-imprinting and metal vacuum deposition. It enables sub-zeptomole detection of organic molecules and five orders of the dynamic sensing range.
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