RUB IgG IgM Rubella Virus ivd diagostics rapid test kit Serum/Plasma Strip/Cassette Good price FLU A/B Ag Influenza A &B antigen 3 line rapid test kits Cassette/ strip Automation Autoimmune diagnostics Infection diagnostics test kit. Each electrophoresis gel has a unique lot number. Thus, mix up between bands is prevented. SecureEach test kit comes with a positive blot strip from the same strip lot, which has been incubated with a reference serum. The incubation of a positive control serum can thus be omitted. The blot strips are numbered to avoid mix ups.