Factor Deficient Substrates by Alpha Laboratories Ltd

CRYOcheck™ Factor Deficient Plasmas are frozen, platelet-poor plasmas which are immunodepleted and assayed at less than 1% for the specific factor by functional and antigenic methods.We also offer the TEClot range of lyophillised preparations of immunodepleted factor deficient plasmas available in convienient 1 ml vial formats.


Factor Deficient Substrates by Alpha Laboratories Ltd product image
Factor Deficient Substrates

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CRYOcheck plasma is buffered and frozen, resulting in an excellent quality product that is consistent vial to vial.

In addition to quality, the frozen format brings the following benefits to your laboratory:

  • Eliminates reconstitution errors
  • No bovine additives
  • All plasmas are screened negative for the presence of factor-specific inhibitors
  • Packaging and vials are compact and colour-coded for easy storage and identification
  • Convenient frozen format ready to use within minutes of thawing
  • 8-hour stability once thawed when maintained at 2 to 8ºC
  • Expiry dating of 3 years from the date of manufacture when stored at 40 to -80°C
  • Quality Control Certificate provided for each lot number
  • Source plasmas are screened negative for all FDA-required tests
  • Comprehensive selection: Factors II through XII and Prekallikrein
  • TEClot Lyophilised Factor Deficient Plasma
  • Prepared from immunodepleted human plasma
  • Contains <1% of the deficient factor
  • Stable for 1 hour at 37C after reconstitution
  • Maximum shelf life, from date of manufacture, is 3 years