Fig 1: Amperometric responses measured with the dual immunosensor for 0- (white bar) and 10-ng mL-1 BAFF or 4-ng mL-1 APRIL (grey bar) standards prepared in absence and in the presence of 1 mg mL-1 hIgG, 50 mg mL-1 HSA, 5 mg mL-1 BSA, 5 mg mL-1 HB, 30 pg mL-1 NfL, 5 pg mL-1 TAU, 1 ng mL-1 TDP-43, 500 ng mL-1 CDH-17, 10 ng mL-1 IL13Ra2, 100 pg mL-1 TNFa, 4 ng mL-1 APRIL, or 1 ng mL-1 BAFF