We’re devoted to Hemostasis Research and Diagnostics
Rossix is a Swedish developer and manufacturer of reagents for hemostasis research, diagnostics and quality control. We are experts in chromogenic assays for coagulation factors with experience dating back to the development of the first commercial chromogenic assay for Factor VIII in the 1980’s.
Premium Products for Hemostasis Research, Diagnostics and Quality Control
Our high quality products and know how serve customers all over the world. We offer premium chromogenic assays for Factor VIII, Factor IX and Prothrombin. Our highly sensitive chromogenic assays for activated Factor IX (FIXa) and activated Factor XIa (FXIa) are used in quality control of Factor IX and immunoglobulin products in the pharmaceutical industry. Rossix is also an OEM supplier of reagents, serving international OEM-clients with customized solutions and technical support.
Our product range consists of chromogenic assays for coagulation factors, phospholipid emulsions and buffers. We also have a proven track record of developing and manufacturing customized reagents for the pharmaceutical and diagnostic industry.
Rox Factor VIII
Rox Factor VIII is a chromogenic kit for the determination of Factor VIII (FVIII) activity in human plasma and FVIII containing concentrates. For In Vitro Research Use Only.
Rox Factor IX
Rox Factor IX is a chromogenic kit for determination of Factor IX (FIX) activity in plasma and FIX containing concentrates. CE marked and approved for In Vitro Diagnostic Use in Europe and Australia. Outside Europe Rox Factor IX is available for In Vitro Research Use Only.
A highly sensitive chromogenic kit for determination of activated Factor IX activity (FIXa). Suitable for determining the degree of preactivation in recombinant Factor IX products and purified FIX concentrates.
Rox Factor XIa
A highly sensitive chromogenic kit for determination of activated Factor XI activity (FXIa). Especially suitable for detecting FXIa contamination in Immunoglobulin products.
A chromogenic kit for determination of Prothrombin (FII) functional activity in plasma and FII containing concentrates. Based on the prothrombinase system.
A long term stable 0.5 mM Phospholipid emulsion with high procoagulant activity suitable for use in global thrombin generation methods and for use in other methods comprising phospholipids for determination of pro- and anticoagulant proteins.
A long term stable 0.25 mM Phospholipid emulsion with high procoagulant activity suitable for use in global NAPTT methods and for use in other methods comprising phospholipids for determination of pro- and anticoagulant proteins.
Factor IXa Calibrator and Control
Lyophilized preparations of human Factor IXa (FIXa) intended for use with the Rox FIX-A kit.
Factor XIa Calibrator and Control
Lyophilized preparations of human Factor XIa (FXIa) intended for use with the Rox Factor XIa kit.
Tris BSA Buffer
Diluent buffer, stock solution, for sensitive proteins such as coagulation factors. Diluted buffer fulfils the Ph Eur requirements on a coagulation Factor VIII diluent.
From Sweden to the World
Rossix was founded by Dr Steffen Rosén who developed the first commercial chromogenic assay for Factor VIII. Today, we serve customers all over the world from our office located on the west coast of Sweden, in the building where the world's first chromogenic substrates for coagulation factors were synthesized. This is our legacy and expertise and we gladly share it with you!
Cutting edge expertise and exceptional service
As a company working in a highly specialized field we aim for a close relationship with every customer. When reaching out to us, you will get into direct contact with the persons developing and manufacturing the products. This ensures that you will always talk to someone who has deep knowledge and experience of our products and assay methodology.