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We have developed novel nanostructured PANI/ZnO and PANI/MnO2 electropolymerized stainless steel electrodes as highly sensitive biosensors. At first, nanostructured ZnO and MnO2 have been synthesized chemically and polyaniline nanocomposites with different weight percentage (5, 10 and 15%) were electrochemically deposited onto the stainless steel electrode. These modified electrode surfaces were used for immobilizing the Urease by physical absorption method. Then, nanostructural characterization of the sensor's surface were performed using SEM, FTIR and XRD techniques to understand the...

Ferrites have been emerging focus of recent scientific research both from the synthesis and applications point of view. The Samples of Co0.5Nio.5CrxFe2.xO4 (x = 0.0 to 1.0 in the steps of 0.25) Spinel ferrite systems were prepared by using Sol gel auto combustion method technique. The Structural, Electrical and Magnetic properties of above systems were investigated by X-ray diffraction, VSM, D. C. resistivity and A.C. Conductivity. Ferrite has unique applications in high density Magnetic recording, Magnetic Sensors, Shielding, Color imaging, Microwave devices, Bioprocessing, Magnetic...