Figure 2From: Standardization and validation of a cytometric bead assay to assess antibodies to multiple Plasmodium falciparum recombinant antigensEffect of plasma dilution on IgG antibody ELISA OD values of plasma from persons in a malaria endemic area, (n = 30) and persons never exposed to malaria, (n = 7).OD = optical density. OD values on Y-axis differ according to antigen.Back to article page