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Fig. 3 | BMC Veterinary Research

Fig. 3

From: Development of an indirect ELISA, blocking ELISA, fluorescent microsphere immunoassay and fluorescent focus neutralization assay for serologic evaluation of exposure to North American strains of Porcine Epidemic Diarrhea Virus

Fig. 3

Serum dilution optimization for both ELISA assays and FMIA. Reference serum standard was titrated 2-fold in antigen coated wells at a fixed concentration in order to gauge a maximum signal-to-noise ratio for each assay a iELISA, b bELISA, c FMIA. Arrows show the optimum dilution of swine serum from which the highest signal to noise ratio was achieved

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BMC Veterinary Research

ISSN: 1746-6148

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