Comparison of electrode impedances of Pt, PtIr (10% Ir) and Ir-AIROF electrodes used in electrophysiological experiments.
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Electric Conductivity↗
Biomedical subjects
P Bergveld
Publications and source records attributed to P Bergveld.
A new technique for the suppression of the MECG.
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Electrocardiography↗
The simulation of the abdominal MECG.
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Abdomen↗
From conventional membrane electrodes to ion-sensitive field-effect transistors.
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Electrodes↗
Electronic-circuit-design principles for parameter control of i.s.f.e.t.s and related devices.
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Amplifiers, Electronic↗
Alternative design of a unity-gain follower with buffer.
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Electrophysiology↗
Ultraminiature stimulus-isolation probe.
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Animals↗
Simple test for electrophysiologically tolerable parameters of artificial stimulation.
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Electric Stimulation↗
Extracellular potential recordings by means of a field effect transitor without gate metal, called OSFET.
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Action Potentials↗
Chemically sensitive field-effect transistors.
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Electrochemistry↗
Development, operation, and application of the ion-sensitive field-effect transistor as a tool for electrophysiology.
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Animals↗
Development of an ion-sensitive solid-state device for neurophysiological measurements.
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Electrodes↗
ISFET based enzyme sensors.
This paper reviews the results that have been reported on ISFET based enzyme sensors. The most important improvement that results from the application of ISFETs instead of glass membrane electrodes is in the method of fabrication. Problems with regard to the pH dependence of the response and the dynamic range as well as the influence of the sample buffer capacity have not been solved. As a possible solution we introduce a coulometric system that compensates for the analyte buffer capacity. If the pH in the immobilized enzyme layer is thus controlled, the resulting pH-static enzyme sensor has an output that is independent of the sample pH and buffer capacity and has an expanded linear range.
Biotechnology↗