Resonance Rayleigh Scattering Effect of Immunonanosilver Aggreagations and its Application to Rapid Determination of Trace Hg(II)

Li Li Xu; Zhi Liang Jiang; Ai Hui Liang

doi:10.4028/www.scientific.net/AMR.664.749

Paper Titles

A SERRS Method for Coomassie Brilliant Blue Using Nanogold Aggregation Sol as Sunstrate
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Fluorescence Determination of ClO₂ with CdTe Dots
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Resonance Rayleigh Scattering Effect of Immunonanosilver Aggreagations and its Application to Rapid Determination of Trace Hg(II)
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Relation of Microstructure and Unconfined Compression Strength of Soil Stabilized with TerraZyme
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 664Resonance Rayleigh Scattering Effect of...

Resonance Rayleigh Scattering Effect of Immunonanosilver Aggreagations and its Application to Rapid Determination of Trace Hg(II)

Abstract:

Using PEG-10000 and sodium citrate as stabilizer, and NaBH4 as reducer, a stable nanosilvers (AgNPs) sol was prepared. In pH 6.6 phosphate buffer solution containing NaCl, the AgNPs were aggregated to large particles, which lead to resonance Rayleigh scattering (RRS) peak at 350 nm enhancement. Upon addition of cysteine, the peak decreased. The decreased value ΔI is linear to cysteine concentration in the range of 5-60×10^-8 mol/L. Thus, a new RRS method was proposed for detection of cysteine.

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Periodical:

Advanced Materials Research (Volume 664)

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749-753

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https://doi.org/10.4028/www.scientific.net/AMR.664.749

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February 2013

Authors:

Li Li Xu, Zhi Liang Jiang, Ai Hui Liang

Keywords:

Hg²⁺, Immunonanosilver, Monoclonal Antibody, Resonance Rayleigh Scattering Assay

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