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A novel yeast cell-based strategy for the immobilization of antibodies using an amine-terminated self-assembly film has been proposed. A quartz crystal microbalance sensor was according fabricated by coupling with anti-prostate specific antigen (anti-PSA) for PSA immunoassay. The crystal was modified with cysteamine to deposit yeast cells, on which anti-PSA antibodies were immobilized. The surface...
A novel electrochemical immunosensor using functionalized silica nanoparticles (Si NPs) as protein tracer has been developed for the detection of prostate specific antigen (PSA) in human serum. The immunosensor was carried out based on a heterogeneous sandwich procedure. The PSA capture antibody was immobilized on the gold electrode via glutaraldehyde crosslink. After reaction with the antigen in...
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