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This work reports on the possibility to use gyroscopes based on piezoresistive NEMS gauges in vestibular implants. The specifications for this application are critically discussed, and used to derive parameters required at the sensor level and integrated circuit level. An algorithm to transform the acquired signals from the gyroscope reference system into the firing rate of vestibular nerves is also...
Piezoelectric zinc oxide nanostructures have been recently used to convert mechanical energy into electrical energy. Here we give reasons for previously reported experimental results and provide insight for the design of high-efficiency piezoelectric nanogenerators. Moreover, we investigate some of the most important 2-contacts piezoelectric nanowires by means of Finite Element Method (FEM) simulations.
Nanotechnology has the potential to allow the development of more effective and less invasive methodologies for the diagnosis and treatment of many diseases. In particular, wirelessly-linked implantable nanotransducers are nanodevices capable of transducing signals from one energy domain into another, and they also allow the interaction of internal or external macroscopic systems with implantable...
Rectal cancer is often a curable disease when localized. Although adenocarcinoma of the rectum and adenocarcinoma of the more proximal colon have a similar histologic appearance, the natural history of rectal and colon cancer differs, due to epidemiological, anatomical and pathophysiological reasons. In high-risk populations the incidence of colon and rectal tumors is 2:1, with rectal cancer that...
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