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10.1016/j.jviromet.2020.113991

http://scihub22266oqcxt.onion/10.1016/j.jviromet.2020.113991
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suck abstract from ncbi


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pmid33045283      J+Virol+Methods 2020 ; 286 (ä): 113991
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  • A combined approach of MALDI-TOF mass spectrometry and multivariate analysis as a potential tool for the detection of SARS-CoV-2 virus in nasopharyngeal swabs #MMPMID33045283
  • Rocca MF; Zintgraff JC; Dattero ME; Santos LS; Ledesma M; Vay C; Prieto M; Benedetti E; Avaro M; Russo M; Nachtigall FM; Baumeister E
  • J Virol Methods 2020[Dec]; 286 (ä): 113991 PMID33045283show ga
  • Coronavirus disease 2019, known as COVID-19, is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The early, sensitive and specific detection of SARS-CoV-2 virus is widely recognized as the critical point in responding to the ongoing outbreak. Currently, the diagnosis is based on molecular real time RT-PCR techniques, although their implementation is being threatened due to the extraordinary demand for supplies worldwide. That is why the development of alternative and / or complementary tests becomes so relevant. Here, we exploit the potential of mass spectrometry technology combined with machine learning algorithms, for the detection of COVID-19 positive and negative protein profiles directly from nasopharyngeal swabs samples. According to the preliminary results obtained, accuracy?=?67.66 %, sensitivity?=?61.76 %, specificity?=?71.72 %, and although these parameters still need to be improved to be used as a screening technique, mass spectrometry-based methods coupled with multivariate analysis showed that it is an interesting tool that deserves to be explored as a complementary diagnostic approach due to the low cost and fast performance. However, further steps, such as the analysis of a large number of samples, should be taken in consideration to determine the applicability of the method developed.
  • |Betacoronavirus/*isolation & purification[MESH]
  • |COVID-19[MESH]
  • |COVID-19 Testing[MESH]
  • |COVID-19 Vaccines[MESH]
  • |Clinical Laboratory Techniques/*methods[MESH]
  • |Coronavirus Infections/*diagnosis/virology[MESH]
  • |Humans[MESH]
  • |Machine Learning[MESH]
  • |Mass Screening/methods[MESH]
  • |Multivariate Analysis[MESH]
  • |Nasopharynx/*virology[MESH]
  • |Pandemics[MESH]
  • |Pneumonia, Viral/diagnosis/*virology[MESH]
  • |Real-Time Polymerase Chain Reaction[MESH]
  • |SARS-CoV-2[MESH]
  • |Sensitivity and Specificity[MESH]


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