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Single-particle detection of native SARS-CoV-2 virions by microfluidic resistive pulse sensing

Varga, Zoltán ; Madai, Mónika ; Kemenesi, Gábor ; Beke-Somfai, Tamás ; Jakab, Ferenc

Colloids and surfaces, B, Biointerfaces, 2022-10, Vol.218, p.112716-112716, Article 112716 [Periódico revisado por pares]

Netherlands: Elsevier B.V

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  • Título:
    Single-particle detection of native SARS-CoV-2 virions by microfluidic resistive pulse sensing
  • Autor: Varga, Zoltán ; Madai, Mónika ; Kemenesi, Gábor ; Beke-Somfai, Tamás ; Jakab, Ferenc
  • Assuntos: COVID-19 - diagnosis ; Humans ; Microfluidics ; Resistive pulse sensing ; SARS-CoV-2 ; Size distribution ; Spike Glycoprotein, Coronavirus - metabolism ; Spike protein ; Viral envelope ; Virion
  • É parte de: Colloids and surfaces, B, Biointerfaces, 2022-10, Vol.218, p.112716-112716, Article 112716
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Microfluidic resistive pulse sensing (MRPS) was used to determine the size –distribution of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) based on detecting nearly 30,000 single virions. However, the ultrastructure of SARS-CoV-2 is thoroughly described, but ensemble properties of SARS-CoV-2, e.g., its particle size distribution, are sparsely reported. According to the MRPS results, the size distribution of SARS-CoV-2 follows a log-normal function with a mean value of 85.1 nm, which corresponds to an approximate diameter of the viral envelope. This result also confirms the low number (< 50) of spike proteins on the surface of the virions. [Display omitted] •The size distribution of SARS-CoV-2 follows a log-normal function.•The mean diameter of SARS-CoV-2 determined by MRPS is 85.1 nm.•MRPS confirms the low number of spike proteins on the viral surface.
  • Editor: Netherlands: Elsevier B.V
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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