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10.1016/j.aca.2021.338310

http://scihub22266oqcxt.onion/10.1016/j.aca.2021.338310
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33736798!7877206!33736798
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suck abstract from ncbi


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pmid33736798      Anal+Chim+Acta 2021 ; 1154 (ä): 338310
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  • A novel One-pot rapid diagnostic technology for COVID-19 #MMPMID33736798
  • Li J; Hu X; Wang X; Yang J; Zhang L; Deng Q; Zhang X; Wang Z; Hou T; Li S
  • Anal Chim Acta 2021[Apr]; 1154 (ä): 338310 PMID33736798show ga
  • Novel coronavirus disease (COVID-19) caused by SARS-CoV-2 is an ongoing global pandemic associated with high rates of morbidity and mortality. RT-qPCR has become the diagnostic standard for the testing of SARS-CoV-2 in most countries. COVID-19 diagnosis generally relies upon RT-qPCR-mediated identification of SARS-CoV-2 viral RNA, which is costly, labor-extensive, and requires specialized training and equipment. Herein, we established a novel one-tube rapid diagnostic approach based upon formamide and colorimetric RT-LAMP (One-Pot RT-LAMP) that can be used to diagnose COVID-19 without the extraction of specific viral RNA. The technique could visually detect SARS-CoV-2 within 45 min with a limit of detection of 5 copies per reaction in extracted RNA, and about 7.66 virus copies per muL in viral transport medium. The One-Pot RT-LAMP test showed a high specificity without cross-reactivity with 12 viruses including SARS-CoV, MERS-CoV, and human infectious influenza virus (H1N1/H3N2 of influenza A and B virus, ect. We validated this One-Pot RT-LAMP approach by its successful use for the analysis of 45 clinical nasopharyngeal swab samples, yielding results identical to those of traditional RT-qPCR analyses, while achieving good selectivity and sensitivity relative to a commercial RT-qPCR approach. As such, this One-Pot RT-LAMP technology may be a valid means of conducting high-sensitivity, low-cost and rapid SARS-CoV-2 identification without the extraction of viral RNA.
  • |COVID-19 Testing/*methods[MESH]
  • |COVID-19/*diagnosis/virology[MESH]
  • |DNA Primers/chemistry/metabolism[MESH]
  • |Humans[MESH]
  • |Limit of Detection[MESH]
  • |Molecular Diagnostic Techniques[MESH]
  • |Nasopharynx/virology[MESH]
  • |Nucleic Acid Amplification Techniques[MESH]
  • |RNA, Viral/analysis/metabolism[MESH]
  • |Real-Time Polymerase Chain Reaction[MESH]
  • |SARS-CoV-2/genetics/isolation & purification[MESH]


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