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A Simple and Rapid Resonance Scattering Spectral Method for Detection of Trace Hg2+Using Aptamer-Nanogold as Probe

✍ Scribed by Guiqing Wen; Aihui Liang; Yanyan Fan; Zhiliang Jiang; Caina Jiang


Book ID
107380057
Publisher
Springer US
Year
2009
Tongue
English
Weight
207 KB
Volume
5
Category
Article
ISSN
1557-1955

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πŸ“œ SIMILAR VOLUMES


Aptamer-modified AuRe Nanoalloy Probe fo
✍ Zhiliang Jiang; Jing Zhang; Guiqing Wen; Aihui Liang; Qingye Liu; Caiyan Kang; X πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons 🌐 English βš– 95 KB

The AuRe nanoalloy particles in molar ratio of 9∢1 were prepared by sodium borohydride procedure, and modified by single strand DNA (ssDNA) to prepare an aptamer AuRe nanoprobe (AuRessDNA) for Hg 2οΌ‹ . In the pH 7.0 Na 2 HPO 4 -NaH 2 PO 4 buffer solution and in the presence of NaCl, Hg 2οΌ‹ interacted

Resonance Scattering Detection of Trace
✍ Qingye Liu; Yanyan Fan; Aihui Liang; Zhiliang Jiang πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 English βš– 247 KB

## Abstract The 5 nm AuPd nanoalloy in mole ratio of Au:Pd=32:1 was prepared, using sodium citrate as the stabilizing agent and NaBH~4~ as the reductant. The AuPd nanoalloy was modified by the aptamer to prepare an aptamer‐ AuPd (AptAuPd) probe for resonance scattering (RS) detection of 5.0–1250 nm

Resonance scattering spectral detection
✍ Guiqing Wen; Aihui Liang; Zhiliang Jiang; Xianjiu Liao; Jianfu Li; Hesheng Jiang πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 337 KB

## Abstract Herring sperm DNA (hsDNA) was used to modify 10 nm nanogold to obtain a resonance scattering (RS) probe (AuhsDNA) for detection of Hg^2+^. In the presence of salt, Hg^2+^ interacts with AuhsDNA to form stable Hg^2+^–hsDNA complexes, and releases nanogold particles to form larger nanogol