The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Three-Layer Composite Magnetic Nanoparticle Probes for DNA
Abstract
A method for synthesizing composite nanoparticles with a gold shell, an Fe3O4 inner shell, and a silica core has been developed. The approach utilizes positively charged amino-modified SiO2 particles as templates for the assembly of negatively charged 15 nm superparamagnetic water-soluble Fe3O4 nanoparticles. The SiO2-Fe3O4 particles electrostatically attract 1-3 nm Au nanoparticle seeds that act in a subsequent step as nucleation sites for the formation of a continuous gold shell around the SiO2-Fe3O4 particles upon HAuCl4 reduction. The three-layer magnetic nanoparticles, when functionalized with oligonucleotides, exhibit the surface chemistry, optical properties, and cooperative DNA binding properties of gold nanoparticle probes, but the magnetic properties of the Fe3O4 inner shell.
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Cites
Nanostructures in Biodiagnostics
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Self-citationUltra-large-scale syntheses of monodisperse nanocrystals
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Self-citationCutler, J. I., Auyeung, E., & Mirkin, C. A. (2012) · Journal of the American Chemical Society · doi:10.1021/ja209351u · Cited by 1,119
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Metadata
- Authors
- Stoeva, S. I., Huo, F., Lee, J.-S., & Mirkin, C. A.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-10-15
- Volume
- 127
- Issue
- 44
- Pages
- 15362-15363
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2017479359
- Cited by
- 298
- References
- 3
- FWCI
- 11.67
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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