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An improved ELISA for the determination of southern bean mosaic virus with linear sweep voltammetry detection based on new system of PAP-H_2O_2-HRP
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作者 张书圣 焦奎 +2 位作者 陈洪渊 张成良 张作芳 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2000年第1期54-59,共6页
An improved enzyme-linked immunosorbent assay (ELISA) for the determination of southern bean mosaic virus (SBMV) with linear sweep voltammetry based on a new system of p-aminophenol (PAP)-H2O2-horseradish peroxidase (... An improved enzyme-linked immunosorbent assay (ELISA) for the determination of southern bean mosaic virus (SBMV) with linear sweep voltammetry based on a new system of p-aminophenol (PAP)-H2O2-horseradish peroxidase (HRP) has firstly been developed. The enzymatic product 3-[(4-hydrox-yphenyl) amino]-4-(2-amino-5-hydroxyphenyl)-6-[ (4-hydrox-yphenyl)imino]-2,4-cyclohexadiene-l-one, produced from the oxidation of PAP with H2O2 catalyzed by HRP, yielded a sensitive linear sweep voltammetric response at - 0.45 V ( vs. SCE) in Britton-Robinson (BR) buffer solution. Based on the voltammetric peak, HRP can be measured with a detection limit of 0.4 mU/L and a linear range of 1.0-1.0 × 102 mU/ L. The detection limit for the SBMV is 8.0 ng/mL and the highest dilution ratio for the detection of infected leaf sap is 1: 1.5×105. 展开更多
关键词 southern bean mosaic virus horseradish peroxidase P-AMINOPHENOL VOLTAMMETRY
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