Journal
ADVANCED MATERIALS
Volume 25, Issue 20, Pages 2797-2803Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201204624
Keywords
silver; DNA; nanoclusters; fluorescence; single-molecule
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Funding
- NSF [DMR-0960331]
- STW grant NWO Nano
- [NSF-CHE-1213895]
- [NSF-CHE-0848375]
- Direct For Computer & Info Scie & Enginr [960316] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien [1213895] Funding Source: National Science Foundation
- Division Of Chemistry [1213895] Funding Source: National Science Foundation
- Division Of Computer and Network Systems [960316] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0960331] Funding Source: National Science Foundation
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Fluorescent DNA-stabilized silver nanoclusters contain both cationic and neutral silver atoms. The absorbance spectra of compositionally pure solutions follow the trend expected for rod-shaped silver clusters, consistent with the polarized emission measured from individual nanoclusters. The data suggest a rod-like assembly of silver atoms, with silver cations mediating attachment to the bases.
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