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The ideal immobilization methods that are suitable for binding immuno-active materials with high efficiency onto the sensing surface are the key target to pursue in the current biosensor design. In this paper, a new hybrid material formed by assembling gold nanoparticles (GNP) onto nano-sized hydroxyapatite (HA) has been employed for the interface design of piezoelectric immunosensor, on which the...
In this paper, a new immunosensor has been proposed based on the receptor protein adsorbed directly on a porous gold film. The film was produced electrochemically on a glassy carbon electrode in 0.08M hydrogen tetrachloroaurate solution containing 0.004M lead acetate with applied potential of −0.5V (versus Ag/AgCl) for 50s. The assay was carried out based on a sandwich procedure. The impedance signals...
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