Soluble transferrin receptor (sTFR)

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Soluble transferrin receptor (sTFR)

sTfR is a protein dimer of two identical subunits, linked together by two pairs of disulfide bonds that appear in the plasma during deficiency of iron. STfR detects the iron deficiency anemia and distinguishes it from anemia caused by chronic illness or inflammation

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Human Plasma


Feasible for controls and calibrators in immunoassays

Immunological Activity

Immunoactivity is checked by Tina-Quant (Roche-Cobas)


Liquid in 25mM Tris buffer, 150mM Sodium Chloride, 0.09% Sodium Azide, pH 8.0 + 0.2

Donor Status



-20°C in working aliquots

Other Information

sTfR is stable for 2 years at -20°C

Viral Testing

The viral marker test negative for HBs-Ag, Anti-HCV, Anti-HIV (I and II) using CLIA (US-FDA approved). The antigen is also tested for the absence of viral DNA/RNA for HBV, HIV (I) and HCV using PCR technology

Material Safety Note

This product is not for human/animal consumption. Use only in in vitro research or products. All bio-safety precautions must be practiced while handling. Discard (if needed) as per local environmental regulation

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