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Nano sized powder of Iron Oxide was prepared using co-precipitation method. Particle size and structure was examined using XRD analysis. Saturation magnetization and other properties were studied using VSM technique. The particles of less than 30 nm size possess low saturation magnetization was confirmed by this study. Result can be attributed to magnetic unisotropy at nano-level.

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Thin films of binary oxides (MoO 3-In 2 O 3) of different normality proportions of 0.

This paper reports the development of simple and economical reduced graphene oxide (rGO) based screen-printed electrodes (SPE) for five basic taste sensing applications. Twenty different test solutions for the five tastes of salty, sour, sweet, umami, and bitter at 1 ppm, 10 ppm, 100 ppm, 1000 ppm concentration levels were tested with the fabricated SPEs. From experimental results, electrical signals generated between the electrode and test solution interface were measured using the potentiometric method. Satisfactory potentiometric responses of SPEs to different ppm concentrations for each sample were used to analyze the sample data. Histogram using the statistical tool was used to analyze the changes in the conductivity response. A multivariate Principal Component Analysis (PCA) statistical tool correlated using loading plots between variables and factors of all the five basic tastes. The plot showed the interrelation between variables and test samples. The obtained experimental results from these rGO based SPEs make them suitable for their use in taste sensing applications such as for any taste disorder disability, food-producing industry, pharmaceutical industries, etc.