Rapid Extraction of Viral Nucleic Acids Using Rotating Blade Lysis and Magnetic Beads

Minju Bae, Junsoo Park, Hyeonah Seong, Hansol Lee, Wonsuk Choi, Jiyun Noh, Woojoo Kim, Sehyun Shin

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The complex and lengthy protocol of current viral nucleic acid extraction processes limits their use outside laboratory settings. Here, we describe a rapid and reliable method for extracting nucleic acids from viral samples using a rotating blade and magnetic beads. The viral membrane can be instantly lysed using a high-speed rotating blade, and nucleic acids can be immediately isolated using a silica magnetic surface. The process was completed within 60 s by this method. Routine washing and eluting processes were subsequently conducted within 5 min. The results achieved by this method were comparable to those of a commercially available method. When the blade-based lysis and magnetic bead adsorption processes were performed separately, the RNA recovery rate was very low, and the Ct value was delayed compared to simultaneous lysis and RNA adsorption. Overall, this method not only dramatically shortens the conventional extraction time but also allows for its convenient use outside the laboratory, such as at remote field sites and for point-of-care testing.

Original languageEnglish
Article number1995
JournalDiagnostics
Volume12
Issue number8
DOIs
Publication statusPublished - 2022 Aug

Bibliographical note

Publisher Copyright:
© 2022 by the authors.

Keywords

  • blade
  • extraction
  • lysis
  • magnetic beads
  • nucleic acid
  • virus

ASJC Scopus subject areas

  • Clinical Biochemistry

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