Current Trends in Nanoporous Anodized Alumina Platforms for Biosensing Applications

Figure 9

(a) The schematic representation of immobilization of trypsin on NAA, the different stages of the fabrication process of the NAA enzymatic sensor. (i) Bare NAA, (ii) APTES modified NAA, (iii) GTA-modified NAA, and (iv) trypsin immobilized NAA. (b) The effective optical thickness with respect to different surface functionalization [54].

(a)

(b)