Line or dot immuno strips are still widely used in IVD tests. Many infectious diseases generate indeed a complex immune response and necessitate checking the patient serum for the presence of several antibodies. Today, the self wetting nitrocellulose membrane is still the best uniform substrate for the binding of these different immuno-dominant antigen proteins. The UniSart® 0.22 μm and 0.45 μm nitrocellulose membranes have been designed to show exceptional consistency in IVD immuno strips.
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