BIOPHEN™ AT Anti-IIa — antitrombīna aktivitātes Anti-IIa hromogēnais tests

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Chromogenic anti-IIa assay for antithrombin (AT) activity in human citrated plasma or purified milieu. Uses bovine Factor IIa in the presence of excess heparin. CE-IVD.

The anti-IIa method measures AT's ability to inhibit thrombin, providing complementary information to anti-Xa methods. Particularly important for detecting Type II HBS (Heparin Binding Site) AT deficiency, where anti-Xa activity may appear normal but anti-IIa is reduced. Using both methods together enables complete AT deficiency subtype classification.

• Anti-IIa method — detects AT subtypes missed by anti-Xa assays alone
• Uses bovine Factor IIa — complementary to human Xa-based BIOPHEN™ AT assays
• For complete AT Type I / Type II subtype characterization
• CE-IVD