cf-DNA & cf-RNA Collection & Preservation


  • Collection and preservation of both cf-DNA and cf-RNA from a single tube
  • Fixative-free preservative, no cross-linking of DNA
  • Preserve cf-DNA/ct-DNA for 30 days at ambient temperature and for up to 8 days at 37°C
  • Preserve cf-RNA for 30 days at ambient temperature
  • Preserve Circulating Tumour Cells (CTCs) for 14 days at ambient temperature
  • No plasma volume loss after shipping/transportation
  • Prevent hemolysis allowing better separation of plasma
  • Prevent apoptosis of blood cells and fragmentation of genomic DNA
  • Available in both research use format and CE-IVD marked for use in in vitro diagnostic workflows
Free Resource | Infographic

Plasma/Serum Collection & Isolation Infographic

Kits for Diagnostic Use

Kits for Research Use

For Whole Blood Collection and Preservation of cf-RNA and cf-DNA

Norgen's cf-DNA/cf-RNA Preservative Tubes are closed, evacuated plastic tubes for the collection and the preservation of cf-DNA, circulating tumor DNA, cf-RNA and circulating tumor cells in human whole blood samples during storage and shipping.

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Our Unique Preservation Technology

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