Comparison with Track Etch Microfilters

Size Selection

  • CTCs are larger & less plastic than blood cells
  • Precise pore size and distribution deliver consistently higher capture efficiency and lower background contamination

                   Creatv's CellSieveTM                                   Track Etch

Capture Efficiency Study

  • Comparison with track etch filters
  • MCF-7 cells spiked into 7.5 ml of whole blood
  • Filtered by negative pressure in < 2 min
  • Stained with Acridine Orange

Filtration Process
Recovery on CellSieveTM
Recovery on Track Etch
Fixed Sample
98±2%
73±10%
Unfixed Sample
85±3%
50±14%