Fig. 14From: Progress in cancer drug delivery based on AS1411 oriented nanomaterialsA Schematic diagram of the construction process of biosensor LBL technology for detection of HeLa cells. B(a) Preparation process of PCN-224-Pt/HRP/ Dual-Aptamer /GQH nanoprobe. (b) Schematic diagram of the manufacturing process of the electrochemical biaptamer cell sensor. C Schematic diagram of GNRS binding of synthetic fluorescent aptamersBack to article page