Abbas Ali Rostami

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A facile method for the preparation of thin-film carbon electrodes by electron beam evaporation onto highly doped silicon is presented. The physical and electrochemical properties of these films both before and after postdeposition pyrolysis are investigated. Raman spectroscopy establishes the amorphous structure of the nonpyrolyzed carbon films and(More)
Arc discharge in a solution was applied to fabricate Carbon Nanotubes, CNTs. The products were then applied to electrochemical nano biosensors. The result of such application was compared with other synthesized CNTs, produced by using other methods. The high purity multi walled CNT synthesized by Arc discharge has shown the best outcome on the(More)
In this study, acidic dissociation constants of glycylglycine were determined using ab initio and density functional theory (DFT) methods at 25, 30, 35, 40 and 45 °C in aqueous solution. In order to explain the pKa values obtained, the molecular conformations and solute-solvent interactions of the glycylglycine anions were investigated, using ab initio(More)
We study the spin nutation effects of a molecular nanomagnet on the Josephson current through a superconductor|molecular nanomagnet|superconductor tunnel junction. We explicitly demonstrate that, due to the spin nutation of the molecular nanomagnet, two oscillatory terms emerge in the ac Josephson current in addition to the conventional ac Josephson(More)
A bromide–modified silver electrode is reported, in the present study, to catalyze the redox reactions of metalloproteins. This study describes that the bromide ions show very good redox behavior with silver electrode. The cathodic and anodic peak potentials were related to the concentration of bromide ions involved in making bromide-modified silver(More)
In the present study, a bacterium resistance to heavy metals was isolated from contaminated areas. An eco-friendly and simple method was found to biosynthesis of silver nanoparticles (AgNPs) by reducing of aqueous Ag+ using the heavy metals resistance MKH1 bacterium. The biosynthesized AgNPs were characterized by UV-vis spectroscopy, scanning electron(More)
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