Fig. 5From: Streptavidin Modified ZnO Film Bulk Acoustic Resonator for Detection of Tumor Marker Mucin 1The frequency shifts of the biosensor to test various MUC1 concentrations. a The typical S11 responses of the streptavidin-immobilized FBAR to test various MUC1 concentrations from 20 to 500 nM, and b the relation curve between the resonant frequency shift and target MUC1 concentrationsBack to article page