Silver nucleation on gold has been exploited for signal amplification and has found
application in several qualitative and quantitative bio-sensing techniques, thanks to the …

A novel ultrasensitive multiplexed immunoassay method was developed by combining
alkaline phosphatase (ALP)-labeled antibody functionalized gold nanoparticles (ALP-Ab/Au …

Paper-based lateral flow immunoassays (LFIAs) using conventional sandwich-type
immunoassays are one of the most commonly used point-of-care (PoC) tests. However, the …

A novel enhanced chemiluminescent (CL) immunoassay for ultrasensitive determination of α-
fetoprotein (AFP) was reported. The method made full use of 4-(4′-iodo) phenylphenol …

Background: Multiplexed assays using fluorescence microspheres is an exciting technology
with multiple applications including the detection of antinuclear autoantibodies (ANA) and …

The immunochromatographic assay that is in widespread use for pregnancy diagnosis is a
method for easy visual judging of the antigen–antibody reaction using gold nanoparticle …

A versatile biolinker for efficient antibody immobilization was prepared by site-specific
coupling of protein G to DNA oligonucleotide. This protein G− DNA conjugate ensures the …

Publisher Summary This chapter describes colloidal gold probes in immunocytochemistry.
The interest in colloidal gold as an immunocytochemical marker has grown. Firstly, it has …

Early and accurate diagnosis is considered the key issue to prevent the further spread of
viruses and facilitate influenza therapy. Herein, we report a colorimetric immunosensor for …

This paper describes an ultrasensitive surface plasmon resonance (SPR) detection method
using biofunctionalized gold nanorods for the direct detection of protein biomarkers …