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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wenting Zhao Li Lin I-Ming Hsing |
| Copyright Year | 2010 |
| Description | Author affiliation: Bioengineering Graduate Program, the Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong S.A.R., China (Wenting Zhao; Li Lin; I-Ming Hsing) |
| Abstract | In this work, we present a novel approach for the size fractionation of gold nanoparticles (Au-nps), which combines the nucleotide-mediated stabilization mechanism for Au-nps to the size-dependent colloidal stability of nanoparticles. Under nucleotide-coating, Au-nps undergo reversible salt-induced aggregation in aqueous solutions, while the critical salt concentration (CSC) for the transition of Au-nps aggregation increase as the nanoparticle size getting smaller. Successful fractionation of both binary and ternary mixtures composed of Au-nps in 10nm, 20nm and 40nm were demonstrated and the final purity of each fraction is larger than 90%. The whole process can be accomplished within one hour due to the rapid stabilization of Au-nps with nucleotide-mediation. |
| Starting Page | 1387 |
| Ending Page | 1388 |
| File Size | 246786 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781424435432 |
| DOI | 10.1109/INEC.2010.5424839 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-01-03 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Nanoparticles Gold Fractionation Stability Aggregates Electrokinetics Plasmons Resonance Chemical technology Biomedical engineering |
| Content Type | Text |
| Resource Type | Article |
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