Fig. 2
From: Novel protein chip for the detection of antibodies against infectious bronchitis virus
Optimization of the microarray working conditions. a SNR variation across different IBV nsp5 concentrations (0.05, 0.1, 0.2, and 0.4 mg/mL) of the coating antigen. b P/N value between the positive and negative SNRs with different IBV nsp5 concentrations. c SNR variation across different serum dilutions. d P/N value between the positive and the negative SNRs with the optimal dilution of the serum sample (1:600)