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Metallic works of art of cultural relevance are continuously subjected to corrosion as the environment becomes increasingly polluted. A fast and simple method to in situ assess the conservation conditions is therefore required. This paper describes the development and performance of dry and gel-based electrodes which can be used to assess the surface conservation state without the need to move the...
Biocompatible electrodes with smaller geometric area are preferred to improve the selectivity of the neural recording and stimulation applications. We introduce the concept of a micro-reaction chamber (μRC) in which a volume within the electrode back plane is used to confine and sequester the electrochemical reactions used for charge passage. The URC electrode design helps decrease impedance and improves...
Advances in neuroprostheses are strongly dependent on the development of microelectrodes with an enhanced ability to selectively record or stimulate neural signals. Selectivity for a microelectrode depends on its ability to interact with a small number of neurons and/or nerve fibers. In order to achieve selective electrical transduction, the surface area of active site should be on the order of tens...
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