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MICRO ION-SELECTIVE ELECTRODES BASED ON ACTIVATED CARBON FIBERS
Josowicz, M. Potje-Kamloth, K. Liess, H.-D. Besenhard, J. O.
Josowicz, M.
Potje-Kamloth, K.
Liess, H.-D.
Besenhard, J. O.
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Issue Date
1987
Submitted date
2023-08-30
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Abstract
Conventional potentiometric microelectrodes which are used as reference and/or ion-selective electrodes for biomedical and physiological applications are usually based on glass capillary supports. They can be made with a tip diameter of approximately 1 pa by using a special glass capillary-pulling equipment. The resulting resistance of the glass capillary tip is >100° \m and the relatively high distributed capacitance across the glass capillary wall which separates the interior solution from the outside solution causes the long time constant and a low signal/noise ratio of these microelectrodes. This can cause problens if fast changes in ion concentration have to be measured, as for example during the electrostimulation of cells.
Citation
Biosensors International Workshop 1987, 273 - 275
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Type
Book chapter
conference paper
conference paper
Language
en
Description
Series/Report no.
GBF Monographs, Volume 10
ISSN
0930-4320
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ISBN
0-89573-683-7
3-527-26801-4
3-527-26801-4
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Attribution-NonCommercial-ShareAlike 4.0 International