Fig. 1
From: PfHRP2 detection using plasmonic optrodes: performance analysis
a Picture of the gold sputter-coater. OFs are placed vertically inside the vacuum chamber. The quartz microbalance is at the level of the lower stage in the vacuum clock. b Picture of the prepared 400 µm diametre OFs, ready for the functionalization process. c Scheme of the biochemical functionalization process with covalent coupling of HRP2 antibodies and implementation of the blocking agent