What are the differences between BLUESTAR® OBTI and BLUESTAR® Identi-HEM®?

  • Sensitivity:
    • OBTI: 0.05 µg/mL
    • Identi-HEM®: 0.01 µg/mL (more sensitive)
  • Specificity:
    • Identi-HEM® reacts to certain animal blood, especially from the mustelid family (e.g., martens, polecats).
  • Packaging:
    • Identi-HEM® is supplied with a sterile swab.
    • OBTI uses an attached piece inside the cap of the collection tube.
  • Shelf life:
    • OBTI: 18 months from factory dispatch
    • Identi-HEM®: 36 months from factory dispatch