clamp voltage

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• voltage clamp — n stabilization of a membrane potential by depolarization and maintenance at a given potential by means of an electric current from a source outside the living system esp. in order to study the flow of potassium and sodium ions independently of… …   Medical dictionary

• Clamp — may refer to: Clamp (tool), a device used to hold an object in a fixed position Wheel clamp, a device used with road vehicles to prevent theft or enforce parking restrictions Riser clamp, a device used to support vertical piping Storage clamp, an …   Wikipedia

• Voltage clamp — The voltage clamp is used by electrophysiologists to measure the ion currents across a neuronal membrane while holding the membrane voltage at a set level. Neuronal membranes contain many different kinds of ion channels, some of which are voltage …   Wikipedia

• Clamp (circuit) — A clamp or clamp circuit is an electrical circuit used to prevent another circuit from exceeding a certain predetermined voltage level. It operates by sensing the output voltage of the monitored circuit and then as the output voltage approaches… …   Wikipedia

• voltage clamp — A technique in electrophysiology, in which a microelectrode is inserted into a cell, and current injected through the electrode so as to hold the cell s membrane potential at some predefined level. The technique can be used with separate… …   Dictionary of molecular biology

• clamp — clamp1 noun 1》 a brace, band, or clasp for strengthening or holding things together. 2》 an electric circuit maintaining the voltage limits of a signal at prescribed levels. verb 1》 fasten in place or together with a clamp.     ↘hold (something)… …   English new terms dictionary

• Voltage doubler — A voltage doubler is an electronic circuit which charges capacitors from the input voltage and switches these charges in such a way that, in the ideal case, exactly twice the voltage is produced at the output as at its input. The simplest of… …   Wikipedia

• voltage clamp — …   Useful english dictionary

• Patch clamp — The patch clamp technique is a laboratory technique in electrophysiology that allows the study of single or multiple ion channels in cells. The technique can be applied to a wide variety of cells but is especially useful in the study of excitable …   Wikipedia

• Patch-Clamp — Ableitung einer Nervenzelle aus dem Hippocampus. Die Pipette wurde im Foto nachträglich blau eingefärbt. Die Patch Clamp Technik (engl. patch clamp technique) ist eine Messmethode in der Elektrophysiologie, mit der sich der Strom durch einzelne… …   Deutsch Wikipedia

• Patch-Clamp-Technik — Patch Clamp Experiment an einer Nervenzelle aus dem Hippocampus. Die Pipette wurde im Foto nachträglich blau eingefärbt. Die Patch Clamp Technik (englisch patch clamp technique) ist eine Messmethode in der Elektrophysiologie, mit der sich… …   Deutsch Wikipedia