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Journal Article

A simple method for constructing shielded, low-capacitance glass microelectrodes

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Kottra,  Gabor
Department of Physiology, Max Planck Institute of Biophysics, Max Planck Society;

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Frömter,  Eberhard
Department of Physiology, Max Planck Institute of Biophysics, Max Planck Society;

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Citation

Kottra, G., & Frömter, E. (1982). A simple method for constructing shielded, low-capacitance glass microelectrodes. Pflügers Archiv: European Journal of Physiology, 395, 156-158. doi:10.1007/BF00584730.


Cite as: http://hdl.handle.net/21.11116/0000-0008-054C-E
Abstract
A new simple method is presented to produce shielded low-capacitance microelectrodes. A metal-shield is vapour-deposited on the inner surface of a glass pipette which is slid over the microelectrode proper and insulated at the tip by dipping in polystyrene. The unshielded protruding tip can be as small as 10 μm. A special advantage is the low capacitance between electrode and shield of ∼0.16 μF/cm shield length.