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This article describes a microfluidic electrochemical immunoassay that features two strategies, viz. (a), the incorporation of magnetic nanoparticles (MNPs) into the central microfluidic channel and acting as a bioaffinity support for the immobilization of the antibody against the immunoreactive trypsin (anti-IRT), and (b), the electrodeposition of copper nanoparticles (CuNPs) on a gold electrode...
The purpose of this study was to develop a silica nanoparticle-based immunosensor with laser-induced fluorescence (LIF) as a detection system. The proposed device was applied to quantify the immunoreactive trypsin (IRT) in cystic fibrosis (CF) newborn screening. A new ultrasonic procedure was used to extract the IRT from blood spot samples collected on filter papers. After extraction, the IRT reacted...
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