Microelectrode

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This article about application of microelectrodes in electrophysiology. For application in electroanalytical chemistry see ultramicroelectrode.

A microelectrode is an electrode of very small size, used in electrophysiology for either recording of neural signals or electrical stimulation of nervous tissue. Initially, pulled glass pipette microelectrode was used with later introduction of insulated metal wires. These microelectrodes are made from inert metals with high Young modulus such as tungsten, stainless steel, platinum and iridium oxide[1] and coated with glass or polymer insulator with exposed conductive tips. More recent advances in lithography yielded to silicon based microelectrodes.

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References[edit]

  1. ^ Cogan, Stuart F. (August 2008). "Neural Stimulation and Recording Electrodes". Annual Review of Biomedical Engineering 10 (1): 275–309. doi:10.1146/annurev.bioeng.10.061807.160518.