Fig. 2From: A novel protein chip for simultaneous detection of antibodies against four epidemic swine viruses in ChinaOptimal antigen concentration. Each fusion protein was spotted on the epoxy slides at concentrations of 0.4, 0.2, 0.1, 0.05, and 0.025 mg/mL in triplicate. Optimum concentration of a CSFV-E2, (B) PPV-VP2, c JE-EDIII and d PRRSV-N. Numbers indicate concentration 1, 0.4 mg/mL; 2, 0.2 mg/mL; 3, 0.1 mg/mL; 4, 0.05 mg/mL; 5, 0.025 mg/mL; and 6, negative control. e SNR profile for each proteinBack to article page