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An innovative JFET bio-transistor, based on a metal oxide (MOX) nanowire bundle, was developed in order to electrically detect biological binding. The working principle of this device relies on modulation of a MOX space charge region (SCR), acting as the channel of a field effect transistor, instead of an enriched/depleted Si channel like in chem.-FETs. The feasibility was at first demonstrated by...
Interest in nanowires of semiconducting oxides is exponentially grown in the last years, due to their attracting potential applications in electronic, optical and sensor field. We have focused our attention on the sensing properties of metal oxide nanowires as conductometric and optical gas sensors and conductometric DNA sensor. Single crystal nanostructures were synthesized with the aim of exploring...
We report on the innovative electrical detection of biological binding, based on a thin metal oxide (MOX) film as channel for a field effect transistor. The working principle relies on modulation of a MOX space charge region (SCR) instead of an enriched/depleted Si channel like in chem-FETs. The feasibility of the working principle was at first demonstrated by pH measurement in liquid. Afterwards...
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