ArticleAnalytica chimica acta2023
A triple-target reverse transcription loop-mediated isothermal amplification (RT-LAMP) for rapid and accurate detection of SARS-CoV-2 virus.
Article in Analytica chimica acta, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 8 citations in OpenAlex.
- Standardization and performance of SARS-CoV-2 RT-LAMP detection: a reliable, inexpensive, and alternative diagnostic assay.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2025Article
- Development of an integrated sample amplification control for salivary point-of-care pathogen testing.Analytica chimica acta · 2024Article
- Development of an Integrated Sample Amplification Control for Salivary Point-of-Care Pathogen Testing.medRxiv : the preprint server for health sciences · 2023Article
- Development of Loop-Mediated Isothermal Amplification Method for Rapid and Sensitive Identification ofMethods and protocols · 2023Article
- Multiplexed Reverse Transcription Loop-Mediated Isothermal Amplification Coupled with a Nucleic Acid-Based Lateral Flow Dipstick as a Rapid Diagnostic Method to Detect SARS-CoV-2.Microorganisms · 2023Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The spreading of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) across the world has impacted people's health and lives worldwide in recent years. Rapid and accurate diagnosis is crucial for curbing the pandemic of coronavirus disease 2019 (COVID-19). Reverse transcription loop-mediated isothermal amplification (RT-LAMP) has great potential for SARS-CoV-2 detection but fails to completely replace conventional PCR due to the high false-positive rate (FPR). We proposed a triple-target RT-LAMP method for dual-signal, sensitive, and simultaneous detection of conserved genes of SARS-CoV-2. Multiple LAMP primer sets were designed for N, E, and M genes and their amplification efficacy were screened. Then, using artificial plasmids and RNA, the optimal primer set for each gene was examined on specificity, sensitivity, and detection range. The RT-LAMP initiated by these primer sets exhibited better specificity and sensitivity than that of RT-qPCR, and the triple-target RT-LAMP could determine different variants of SARS-CoV-2. By testing 78 artificial RNA samples, the total FPR of triple-target RT-LAMP was eliminated compared with that of mono-target RT-LAMP. The triple-target RT-LAMP method precisely identified throat swab specimens through colorimetry and fluorescent signals within 60 min, and the limit of detection (LOD) was as low as 187 copies/reaction. In the future, the triple-target RT-LAMP can be applied to in-field and on-site diagnosis of symptomatic and asymptomatic virus carriers.
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