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DNA-Templated Ag Nanocluster Formation
Abstract
The high affinity of Ag+ for DNA bases has enabled creation of short oligonucleotide-encapsulated Ag nanoclusters without formation of large nanoparticles. Time-dependent formation of cluster sizes ranging from Ag1 to Ag4/oligonucleotide were observed with strong, characteristic electronic transitions between 400 and 600 nm. The slow nanocluster formation kinetics enables observation of specific aqueous nanocluster absorptions that evolve over a period of 12 h. Induced circular dichroism bands confirm that the nanoclusters are associated with the chiral ss-DNA template. Fluorescence, absorption, mass, and NMR spectra all indicate that multiple species are present, but that their creation is both nucleotide- and time-dependent.
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Cited by
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Xia, Y., Xiong, Y., Lim, B., & Skrabalak, S. E. (2009) · Angewandte Chemie International Edition · doi:10.1002/anie.200802248 · Cited by 5,702
Sub-nanometre sized metal clusters: from synthetic challenges to the unique property discoveries
Lu, Y., & Chen, W. (2012) · Chemical Society Reviews · doi:10.1039/c2cs15325d · Cited by 1,152
Theoretical Studies of Plasmonics using Electronic Structure Methods
Morton, S. M., Silverstein, D. W., & Jensen, L. (2011) · Chemical Reviews · doi:10.1021/cr100265f · Cited by 474
Nucleic acid and nucleotide-mediated synthesis of inorganic nanoparticles
Berti, L., & Burley, G. A. (2008) · Nature Nanotechnology · doi:10.1038/nnano.2007.460 · Cited by 301
Use of Fluorescent DNA-Templated Gold/Silver Nanoclusters for the Detection of Sulfide Ions
Chen, W.-Y., Lan, G.-Y., & Chang, H.-T. (2011) · Analytical Chemistry · doi:10.1021/ac202162u · Cited by 283
Metadata
- Authors
- Petty, J. T., Zheng, J., Hud, N. V., & Dickson, R. M.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-04-02
- Volume
- 126
- Issue
- 16
- Pages
- 5207-5212
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1996845160
- Cited by
- 1,102
- References
- 0
- FWCI
- 7.29
- Type
- journal article
- Language
- en
- Open access
- closed
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