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.
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.
Rapid Detection Technology for Listeria Monocytogenes Based on RPA-Lateral Flow Strip Technology
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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