StemCell Keep by Funakoshi

StemCell Keep is optimized cryopreservation media for primates ES/iPS cells by keeping high vitrification ability with low cyto-toxicity.


  • Animal-derived Protein-free and DMSO-free formulation. No risk of differentiation effect by DMSO. 
  • Maintain ES and iPS cells with colony formation by vitrification. 
  • Maintain stem cell pluripotency after thawing. 
  • High cyto-protection effect and vitrification technology by new original cryoprotectant material is allowed to cryopreserve ES and iPS cell colonies.
  • Sufficient for 100 vials. 
  • Free of bacteria, fungi and mycoplasma contamination. 
  • Long shelf life. The product is stable for 2 years at 4℃ after the date of manufacture.