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Updated: May 6, 2026

Fabricating a UV-Vis and Raman Spectroscopy Immunoassay Platform
Published on: November 10, 2016
Perovskite-gold shell composite nanoprobe for trimodal lateral flow immunoassay detection of SARS-CoV-2 antibodies
Xin Wang1, Zhi Tong1, Hongyu Liu2
1State Key Laboratory of Chemical Safety, College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, P. R. China. zengjb@upc.edu.cn.
Abstract:
A CsPbBr3@SiO2-Aushell nanoprobe enables trimodal (colorimetric/fluorescent/photothermal) lateral flow immunochromatographic assay for SARS-CoV-2 IgG detection. This multi-signal approach offers environmental adaptability and internal cross-verification, with the photothermal mode achieving the highest sensitivity (LOD: 0.4 ng mL-1). The work presents a robust strategy for sensitive point-of-care testing.
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