Figure 3: Scheme depicting an aptamer-based sensor for plasma protein detection.
From: Electrochemical aptasensor for lung cancer-related protein detection in crude blood plasma samples
(1) 5′-thiolated DNA aptamer LC-18 is self-assembled onto a gold microelectrode. (2) Cancer-related blood plasma protein binds to the immobilized aptamer forming a complex. (3) IH-SAB 4C–8C beads bind to the protein enhancing SWV signal.
