Figure 2

(a) Schematic of planar waveguide evanescent wave immunosensing platform. (b) Photograph of the planar waveguide evanescent wave biosensing platform for the reusable detection of Bisphenol A (Photo by Bao-dong Song).
(a) Schematic of planar waveguide evanescent wave immunosensing platform. (b) Photograph of the planar waveguide evanescent wave biosensing platform for the reusable detection of Bisphenol A (Photo by Bao-dong Song).