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Регистрация цельноклеточных патч-фиксаторов для электрофизиологического определения селективности ионов в канале-каналодопсинах

DOI :

10.3791/55497-v

May 22nd, 2017

May 22nd, 2017

16,515 Views

1Experimental Biophysics, Institute of Biology, Humboldt-Universität zu Berlin

This article describes how the ion selectivity of channelrhodopsin is determined with electrophysiological whole-cell patch-clamp recordings using HEK293 cells. Here, the experimental procedure for investigating chloride selectivity of an anion-selective channelrhodopsin is demonstrated. However, the procedure is transferable to other channelrhodopsins of distinct selectivity.

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Neuroscience

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