Human perpetual exposure to several pollutants such as smoke, radiation, and toxic chemical substances, causes an excessive production of reactive oxygen species (ROS), that leads to the onset of neurodegeneration diseases. This knowledge has highlighted the importance of frequent monitoring people health with innovative biosensors able to detect pathological conditions at the initial stage. Indeed, it is mainly stated that neurodegenerative diseases can be effectively treated only if diagnosed very early. In this context, the structural aggregation of biomolecules in different districts of the brain, seem to play a key role in the neurodegeneration development mechanism becoming eligible targets for an early diagnosis. Hereby, we propose an innovative technique for detecting such biomolecules, e.g. Tau, by exploiting a pyro-electrohydrodynamic effect that is able to generate and accumulate tiny droplets of analyte on the surface of a reactive glass slide. We call the technique p-jet and we tested it in case of serial dilutions of Tau protein to demonstrate the consistency of the procedure under an immunodetection-based protocol.
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