The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Synthesis and Properties of Biocompatible Water-Soluble Silica-Coated CdSe/ZnS Semiconductor Quantum Dots
Abstract
We describe the synthesis of water-soluble semiconductor nanoparticles and discuss and characterize their properties. Hydrophobic CdSe/ZnS core/shell nanocrystals with a core size between 2 and 5 nm are embedded in a siloxane shell and functionalized with thiol and/or amine groups. Structural characterization by AFM indicates that the siloxane shell is 1−5 nm thick, yielding final particle sizes of 6−17 nm, depending on the initial CdSe core size. The silica coating does not significantly modify the optical properties of the nanocrystals. Their fluorescence emission is about 32−35 nm fwhm and can be tuned from blue to red with quantum yields up to 18%, mainly determined by the quantum yield of the underlying CdSe/ZnS nanocrystals. Silanized nanocrystals exhibit enhanced photochemical stability over organic fluorophores. They also display high stability in buffers at physiological conditions (>150 mM NaCl). The introduction of functionalized groups onto the siloxane surface would permit the conjugation of the nanocrystals to biological entities.
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Cites
Shape control of CdSe nanocrystals
Peng, X., Manna, L., Yang, W., Wickham, J., Scher, E., Kadavanich, A., & Alivisatos, A. P. (2000) · Nature · doi:10.1038/35003535 · Cited by 4,487
Self-citationDabbousi, B. O., Rodriguez-Viejo, J., Mikulec, F. V., Heine, J. R., Mattoussi, H., Ober, R., Jensen, K. F., & Bawendi, M. G. (1997) · The Journal of Physical Chemistry B · doi:10.1021/jp971091y · Cited by 4,229
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Self-citationOn the Cyto‐Toxicity Caused by Quantum Dots
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Core/Shell Gold Nanoparticles by Self-Assembly and Crosslinking of Micellar, Block-Copolymer Shells
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Target Delivery and Cell Imaging Using Hyaluronic Acid-Functionalized Graphene Quantum Dots
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Metadata
- Authors
- Gerion, D., Pinaud, F., Williams, S. C., Parak, W. J., Zanchet, D., Weiss, S., & Alivisatos, A. P.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-06-05
- Volume
- 105
- Issue
- 37
- Pages
- 8861-8871
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W1963491340
- Cited by
- 1,269
- References
- 2
- FWCI
- 32.07
- Type
- journal article
- Language
- en
- Open access
- closed
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