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A carpet-like nanostructure of polyaniline (PANI) nanothin film functionalized with poly(ethyleneimine), PEI, was used as a miniature chemiresistor sensor for detection of CO 2 at room temperature. Good sensing performance was observed upon exposing the PEI–PANI device to 50–5000ppm CO 2 in presence of humidity with negligible interference from ammonia, carbon monoxide, methane and...
We report an electrochemically prepared 3-mercaptopropionic acid (MPA) capped Pt nanoparticles-Polypyrrole (PPy) nanocomposite film based bioelectrode for the detection of human C-reactive protein (αCRP). The electrochemical deposition provides homogeneous distribution of ultrafine Pt(MPA)-NPs within the uniform and adherent PPy film with high degree of geometrical conformity and controllable film...
In this review we have highlighted advantages of 1-dimensional nanostructures for field effect transistor (FET)/chemiresistor based sensors and advantages of conducting polymer as material of construction over other nanomaterials. Here we have ensembled different techniques used for the fabrication, assembly/alignment, functionalization and sensing applications of conducting polymer nanowire/tube/junction...
A simple method for preparing bio-functionalized soluble single-walled carbon nanotubes (SWNTs) is described. Different proteins such as bovine serum albumin (BSA), cytochrome c and horseradish peroxidase (HRP) were used to solubilize low functionality SWNTs in water aided by sonication. The unbound proteins were removed by column chromatography and the SWNT-protein conjugate was used as the sole...
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