1.北京市食品检验研究院(北京市食品安全监控和风险评估中心) 国家市场监管重点实验室(食品安全重大综合保障关键技术),北京 100094
2.北京市计量检测科学研究院,北京 100029
宋丽萍,博士,正高级工程师,研究方向:食品安全检测技术,E-mail:slp_0705@sina.com
收稿:2025-01-22,
修回:2025-03-24,
录用:2025-04-09,
纸质出版:2025-11-15
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曹悦,李龙,索一平,李庆尧,王青龙,张爽,邢超,宋丽萍.基于RPA-侧向流试纸条技术的单核细胞增生李斯特氏菌快检技术[J].分析测试学报,2025,44(11):2223-2228.
CAO Yue,LI Long,SUO Yi-ping,LI Qing-yao,WANG Qing-long,ZHANG Shuang,XING Chao,SONG Li-ping.Rapid Detection Technology for Listeria Monocytogenes Based on RPA-Lateral Flow Strip Technology[J].Journal of Instrumental Analysis,2025,44(11):2223-2228.
曹悦,李龙,索一平,李庆尧,王青龙,张爽,邢超,宋丽萍.基于RPA-侧向流试纸条技术的单核细胞增生李斯特氏菌快检技术[J].分析测试学报,2025,44(11):2223-2228. DOI: 10.12452/j.fxcsxb.25012254.
CAO Yue,LI Long,SUO Yi-ping,LI Qing-yao,WANG Qing-long,ZHANG Shuang,XING Chao,SONG Li-ping.Rapid Detection Technology for Listeria Monocytogenes Based on RPA-Lateral Flow Strip Technology[J].Journal of Instrumental Analysis,2025,44(11):2223-2228. DOI: 10.12452/j.fxcsxb.25012254.
基于重组聚合酶扩增(RPA)-侧向流试纸条技术(LFS),开发了针对单核细胞增生李斯特氏菌(单增李斯特氏
菌)的快速检测技术,并对该方法的特异性、灵敏度和检出限等性能指标进行了系统评估。结果显示,RPA扩增15 min后,侧向流试纸条的检测灵敏度为6.5×10
2
CFU/mL;对人工污染样品进行8 h增菌后,检出限可达1 CFU/mL。所建立的快检方法无需大型实验设备、操作简单,检测人员进行简单培训即可在20 min内完成单增李斯特氏菌的检测工作,为食品生产企业从源头加强生产环境中单增李斯特氏菌的监控提供了技术支持,有助于提升整个行业食品安全质量控制水平。
In order to enable food production enterprises to conduct more efficient and convenient daily monitoring of foodborne pathogens in the production environment,this study developed a rapid detection technology for
Listeria monocytogenes
based on recombinase polymerase amplification(RPA)-lateral flow strip technology,and analyzed the specificity,sensitivity,and detection limit of the method. The sensitivity of the lateral flow strip detection was 6.5×10
2
CFU/mL after 15 min of RPA amplification. The detection limit was 1 CFU/mL after 8 hours of enrichment of artificially contaminated samples. The rapid detection method for
Listeria monocytogenes
established in this study does not require the assistance of large experimental equipment,and can be completed within 20 minutes after simple training for testing personnel,providing good technical support for enterprises to monitor
Listeria monocytogenes
in the production environment from the source,and also promoting the improvement of food safety quality control levels in the entire industry.
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GB 4789 . 30 - 2025 . National Food Safety Standard. Microbiological Examination in Foods—Listeria Monocytogenes Testing. National Standards of the People’s Republic of China(食品安全国家标准 食品微生物学检验 单核细胞增生李斯特菌检验 . 中华人民共和国国家标准) .
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