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ReLASV® Pan-Lassa Prefusion GP IgM ELISA Kit – RUO (10144) – Special Order


Designation: Semi-quantitative detection of anti-LASV glycoprotein (GP) neutralizing human IgM antibodies
Clade specificity: Pan-Lassa, antibodies to lineages II, III, IV glycoprotein (GP) antigens
Applications: ELISA microplate
Storage: 2-8°C
Shipping: Refrigerated; blue ice packs

Ordering: Item 10144 is a special order product, and inventory may be limited. Contact Zalgen for current status and projected availability.

This Enzyme-linked Immunosorbent Assay (ELISA) detects human IgM antibody specific for LASV GP antigens. Diluted plasma or serum samples, Calibrator, Positive Control, and Negative Control are incubated in microwells coated with recombinant LASV Prefusion GP antigens. Incubation allows the LASV-specific antibodies present in the samples to react with the immobilized antigen mixture. After the removal of unbound plasma or serum proteins with the PBS-Tween wash, the anti-human IgM – horseradish peroxidase (HRP) conjugate reagent is added to bind with the absorbed LASV-specific IgM antibody. Following another washing step, the bound enzyme-antibody conjugate is assayed by the addition of TMB substrate. Color develops in the wells at an intensity proportional to the concentration of the LASV-specific IgM antibody in the sample. Substrate color development is stopped by addition of the ELISA Stop Solution.

Optical Density (O.D.) results are obtained by reading the absorbance at 450 nm (minus 620 – 650 nm reference) using an ELISA plate reader. It is recommended that the user establish a cut-off for the study population using LASV sero-negative samples. It is also recommended that a well characterized, IgM positive, convalescent LF sample from the study population be included in each assay as an additional reference sample.

Click here for package insert for ReLASV Pan-Lassa PFGP IgM ELISA kit (RUO)

Click here for SDS for ReLASV Pan-Lassa PFGP IgM ELISA kit (RUO)



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