Highly sensitive immunosensing of prostate specific antigen using poly cysteine caped by graphene quantum dots and gold nanoparticle: A novel signal amplification strategy
A colorimetric/fluorescence/photoacoustic triple read-out detection of prostate specific antigen (PSA) was developed by using a silica coated Au@Ag core–shell nanorod (denoted Au@Ag@SiO2) based enzyme-linked immunosorbent assay (ELISA) system.
A novel sandwich-type biosensor based on a signal amplification strategy of various nanocomposites was developed to monitor the prostate-specific antigen (PSA) in real samples.