During immunochromatographic testing, clinical samples often contain heterophilic antibodies and other interfering substances, which may react non-specifically with the anti-mouse/anti-rabbit secondary antibodies commonly used in the C-line system, resulting in unstable C-line signals, thus affecting the accuracy of the result determination.

In order to improve the homogeneity and specificity of C-line, DNP QC system raw materials are introduced.

Concentration ≥2.0mg/ml