clamp (electrode clamp )

См. также в других словарях:

• Électrode (biologie) —  Pour l’article homonyme, voir électrode.  Principalement en neurobiologie, une électrode est un dispositif permettant de mesurer un différentiel de potentiel électrique entre deux points d un système biologique, par exemple entre l… …   Wikipédia en Français

• 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

• 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 — A specialized and powerful variant of voltage clamp method, in which a patch electrode of relatively large tip diameter (5 m m) is pressed tightly against the plasma membrane of a cell, forming an electrically tight, gigohm seal. The current… …   Dictionary of molecular biology

• 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

• patch clamp — a type of voltage clamp in which a patch electrode is pressed against an area of the plasma membrane of a cell, forming an electrically tight seal so that the flow of current through individual ion channels can be measured …   Medical dictionary

• patch electrode — a tiny electrode with a blunt tip, used in studies of membrane potentials. See also patch clamp and microelectrode …   Medical dictionary

• Electrophysiology — (from Greek gr. ἥλεκτρον, ēlektron , amber [see the etymology of electron ] ; gr. φύσις, physis , nature, origin ; and gr. λογία, logia ) is the study of the electrical properties of biological cells and tissues. It involves measurements of… …   Wikipedia

• Multielektrodenarray — Multielektrodenarrays (MEAs) oder Mikroelektrodenarrays sind Geräte, die mehrere Plättchen oder Nadeln enthalten, durch die neuronale Signale aufgenommen oder abgegeben werden können. Sie dienen damit als neuronale Schnittstelle, die Nervenzellen …   Deutsch Wikipedia

• Multielectrode array — Multielectrode arrays (MEAs) or microelectrode arrays are devices that contain multiple plates or shanks through which neural signals are obtained or delivered, essentially serving as neural interfaces that connect neurons to electronic circuitry …   Wikipedia

• Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …   Wikipedia