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This report describes an electrochemical biosensor for the detection of glucose. Iron oxide nanoparticles were prepared via co-precipitation method. Synthesized nanoparticles were dispersed in poly(vinyl alcohol) (PVA) solution to fabricate PVA-Fe3O4 nanocomposite. Glucose oxidase (GOx) was immobilized by physical adsorption in PVA-Fe3O4 nanocomposite for the construction of glucose biosensor. X-ray...
This article discusses recent synchrotron radiation based measurements of nanoparticle formation between arcing contacts. The studied material is typical in contact applications, Ag and AgSnO2.
The “grafting from” synthesis of core-shell molecularly imprinted polymer nanoparticles (Ser-MIP@SiO2 NPs) has been applied to the development of an electrochemical sensor for Serotonin. Ser-MIP@SiO2 NPs have been synthesized on preformed SiO2 nanobeads by surface imprinting via reversible additionfragmentation chaintransfer (RAFT) polymerization. After polymerization, the reductive aminolysis of...
Alumina nanoparticles have been increasingly used in the areas of medicine, biochemistry and industry. A number of chemical methods have been used for the preparation of alumina nanoparticles, including the introduction of surfactants to improve the suspensivity of the nano-sized particles. In this study, alumina (Al2O3) nanoparticles have been fabricated by using Electrical Discharge Machining (EDM)...
Electrical treeing is one of the main reasons for failure of polymeric materials used in high voltage applications. Treeing is observed to originate at points where impurities, voids, defects, or conducting projections cause excessive local electric field stress in the dielectric. It has been proposed that nanofillers could be employed as an electrical tree inhibitor in polymeric insulating materials...
Ag modified TiO2 loaded on artificial zeolites was prepared by sol-gel technique and photoreductive deposition method. The photocatalytic activities were investigated by the photocatalytic decolorization of methyl orange solution under visible light irradiation. The results show that Ag doping induced the enhancement of photocatalytic decolorization methyl orange and the optimal Ag/Ti mole ratio was...
The formation characteristics and the effect on electrical behavior of the nanoparticles caused by the interfacial redox reaction are investigated in single-layer organic memory devices with a structure of Al(aluminium)/2-amino-4,5-dicyanoimidazole (AIDCN)/indium tin oxide (ITO). It is demonstrated that the AIDCN/ITO interface is crucial for the electrically switching behavior, where SnOx nanoparticles...
The unique optical, electronic, chemical and biological properties of metal nanoparticles have stimulated a large research activity into manufacturing methods of these nano-structures. An example of copper and nickel nanoparticle synthesis using electrochemical discharges in aqueous solutions is described. This low-cost template technique is a facile procedure to fabricate large quantities of metallic...
The considerable effect of titanium dioxide (TiO2) nanoparticles and UV irradiation on the biomolecular binding behavior of anticancer drug doxorubicin has been studied by using electrochemical methods. Our observations demonstrate that the combination of nano TiO2 and UV irradiation could facilitate the respective DNA binding affinity of anticancer agent and significantly enhance the detection sensitivity...
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