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- Title
Rapid and Selective Determination of Folate Receptor α with Sensitive Resonance Rayleigh Scattering Signal.
- Authors
Wu, Liping; Liu, Yue; Huang, Rong; Zhao, Huawen; Shu, Weiqun
- Abstract
A rapid, simple, and novel method for folate receptor α (FRα) determination is reported here. A probe of gold nanoparticles (Au NPs) modified with anti-FRα antibody was synthesized under the optimized conditions first. The antibody-modified Au NPs would aggregate when FRα was added to the probe for the specific interaction between antibody and antigen, resulting in the enhancement of resonance Rayleigh scattering (RRS) intensity. There is a linear relationship between the change of RRS intensity (ΔIRRS) and the concentration of FRα, with the detecting range of 0.50–37.50 ng·mL−1 and the limit of determination of 0.05 ng·mL−1. The determination of FRα in serum samples was realized with the advantages of high selectivity, high sensitivity, and easy operation.
- Subjects
JUNO protein; RAYLEIGH scattering; GOLD nanoparticles; BLOOD proteins; MICROBIAL sensitivity tests
- Publication
International Journal of Analytical Chemistry, 2017, p1
- ISSN
1687-8760
- Publication type
Article
- DOI
10.1155/2017/1670812