Covalent Attachment of Carbohydrate Derivatives to an Evanescent Wave Fiber Bragg Grating Biosensor

Figure 5

C 1s and N 1s high-resolution X-ray photoelectron spectra for the bare unfunctionalized glass slide (control) and glucose-functionalized glass slide (1 = C–C/C–H, 2 = C–O / C–N, 3 = RC=ON, 4 = OC=OR).

(a)

(b)