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Highly dispersed gold (Au) nanoparticles (NPs) supported on nitrogen doped multi-walled carbon nanotubes (NCNTs) were synthesised using a simple electrochemical method. Morphology of Au-NPs and their dispersion profile were studied depending on the applied potential and deposition duration. Novel conductometric gas sensors were developed from the thin films of Au-NPs/NCNTs nanocomposites and evaluated...
Various silicon-based microchannels with different internal surface morphology is investigated to grow CNTs (carbon nanotubes) on the surface of the pore wall which may enhance the electron emission. The morphology of the samples prepared under different conditions is determined by scanning electron microscopy (SEM). Parameters such as temperature, concentration of hydrofluoric acid, potential, current...
Molecular cancer biomarkers will be instrumental in the screening and detection of cancer. Development of a hand held, non destructive microsensor for distinguishing breast cancer cells in real time is essential for breast cancer therapeutic options. Vascular Endothelial Growth Factor (VEGF) is a potent cytokine, which is normally over-expressed in malignant breast tumor cells. In our work, we are...
We fabricated nanocomposite films comprising multi- walled carbon nanotubes (MWCNTs, diameter 10~40 nm, length > 1 mum) and nanocrystalline copper using a low cost electrochemical method. Owing to pulse deposition with several additives, MWCNTs were well-dispersed in the films through thickness and the nanocomposite films showed a dense structure without any voids. For the purpose of evaluation...
A novel electrochemical method for the determination of sulphide at a multi-walled carbon nanotube-dihexadecyl hydrogen phosphate composite film coated glassy carbon electrode (MWNTs-DHP/GCE) based on in situ synthesis of methylene blue (MB) was established.
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