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Ultrasensitive aptamer-based SERS detection of PSAs by heterogeneous satellite nanoassemblies
Wei Ma1, Honghong Yin, Liguang Xu
1State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu 214122, P. R. China. khecho@163.com.
Chemical Communications (Cambridge, England)
|July 15, 2014
Abstract:
An ultrasensitive method for surface enhanced Raman scattering (SERS) detection of prostate-specific antigens (PSAs) was established based on the aptamer directed core-satellite nanostructures. A limit of detection (LOD) of 4.8 aM for PSA was obtained.
