A pair of SARS-CoV-2 nucleocapsid protein monoclonal antibodies shows high specificity and sensitivity for diagnosis

一对 SARS-CoV-2 核衣壳蛋白单克隆抗体表现出较高的诊断特异性和敏感性

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作者:An-Kai Zhu, Sa-Sa Li, Shu-Pei Yu, Zhao-Yong Zhang, Huan Li, Jing-Feng Li, Shan-Shan Gao, Heng Chen, Jincun Zhao, Run Shi, Mingjian Lu, Chaoyang Li

Abstract

•Seven monoclonal antibodies (mAbs) against SARS-CoV-2 nucleocapsid protein are produced, which can be applied in ELISA, WB, and IF assays.•A pair of mAbs, 2G11/bio-1C7, can detect SARS-CoV-2 nucleocapsid protein as low as 15 pg/well in the double sandwich ELISA.•The mAb, 2G11, shows 97.4% sensitivity and 100% specificity for diagnosing the human blood samples.

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