This protocol enables the recording of a complete functional concentration response relationship of GPCR agonist from one cell population and provides detailed agonist characterization even for low cell sample numbers. The main advantage of serial
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This protocol demonstrates real-time recording of full dose-response relationships for agonist-induced GPCR activation from a single cell layer grown on a single microelectrode using label-free impedance measurements. The new dosing scheme significantly increases throughput without loss in time resolution.