Factor Deficient Substrates
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.

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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
CRYOcheck Factor Deficient Plasmas may be used in conjunction with our CRYOcheck Gold Standard Family of Assayed Plasmas, including Normal Reference Plasma, Reference Control Normal and Abnormal Reference Controls.
Brochures
Products & services to support your ISO 15189 accreditation
In this product brochure, Alpha Laboratories describes how it can provide help and support for laboratories implementing ISO 15189 through its many products and services.
The value of precision
In this application note, Alpha Laboratories presents Precision BioLogic’s CRYOcheck™ range of fresh frozen plasmas, designed to help your laboratory to save time and money, whilst offering faster more accurate results for your patients.
ISO 15189: Helping You to Meet The Standard
This application note explains the move to accredit pathology services against the internationally recognized standard: ISO 15189 and outlines the quality assurance levels that must be met to comply with ISO 15189 accreditation.














