Magnetic nanoparticles-phenanthrene conjugates (MNPs-Phe) probe based competitive chemiluminescence enzyme immunoassay (MNPs-icCLEIA) for phenanthrene and other homologous polycyclic aromatic hydrocarbons

文献类型: 外文期刊

第一作者: Sun, Yu

作者: Sun, Yu;Li, Yansong;Meng, Xingyu;Qiao, Bin;Si, Zhaozhao;Hu, Pan;Lu, Shiying;Ren, Honglin;Liu, Zengshan;Zhou, Yu;Sun, Yu;Meng, Xianmei;Meng, Xingyu;Zhang, Ying;Meng, Lei;Zhou, Yu;Zhou, Yu

作者机构:

关键词: Phenanthrene;Probe;MNPs;Chemiluminescence;Immunoassay

期刊名称:SENSORS AND ACTUATORS B-CHEMICAL ( 影响因子:7.46; 五年影响因子:6.743 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Highlights ? A MNPs-Phe probe was synthesized. ? A MNPs-icCLEIA was developed for rapid and sensitive detection of PAHs. ? To fulfill the procedure of the assay, more than 90min was saved compared with the traditional ELISA. Abstract In this study, a magnetic nanoparticle-phenanthrene hybrid conjugates (MNPs-Phe) probe was synthesized and an indirect competitive chemiluminescence enzyme immunoassay (MNPs-icCLEIA) was developed for rapid and sensitive detection of phenanthrene (Phe) and its homolog in water samples. The developed MNPs-icCLEIA was based on competitive reaction between Phe in samples and the MNPs-Phe probe. In the presence of Phe, the monoclonal antibody (McAb) would be competitive captured by MNPs-Phe probe and Phe in samples. Then MNPs-Phe-McAb complexes would be separated by a magnetic field. After the reaction of horseradish peroxidase conjugated goat anti-mice IgG (HRP-IgG) with MNPs-Phe-McAb complexes, chemiluminescent substrate was added and chemiluminescence was produced. The linear range of the assay for Phe was from 1.85 to 71.51ngmL?1 and the limit of detection (LOD) was 0.85ngmL?1. Compared with the traditional enzyme linked immunosorbent assay (ELISA), the sensitivity of the developed MNPs-icCLEIA was about 3 times higher and more than 90min was saved to fulfill the procedure of developed method while the linear range was nearly the same. The recoveries of polycyclic aromatic hydrocarbons (PAHs) from three different water samples were 97.2%–103.4%, 95.8%–104.8% and 96.9%–103.5% respectively, which had a good correlation (R2 =0.9986) with those from ELISA. The results indicated that the developed MNPs-icCLEIA is sensitive, rapid and reliable for the detection of Phe and other homologous PAHs in environmental water. ]]>

分类号: TP212.2

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