Electrophysiology Experiment
Electrophysiology Experiment - Related Videos
09:38
Preparation of Artificial Bilayers for Electrophysiology Experiments
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Cited by 10 •
2008
Planar lipid bilayers, also called artificial lipid bilayers, allow you to study ion-conducting channels in a well-defined environment. Here, we demonstrate the individual steps needed to prepare the bilayer chamber, the electrodes and how to test that the bilayer is suitable for single-channel measurements.
10:46
Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
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Cited by 4 •
2015
Radiation exposure is an underestimated risk in complex ablation procedures. Here, we describe a protocol to significantly decrease fluoroscopy time and dosage for both the patient and the lab staff by using a novel non-fluoroscopic catheter visualization system.
05:41
Applying Microfluidics to Electrophysiology
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Cited by 1 •
2007
Microfluidics can be integrated with standard electrophysiology techniques to allow new experimental modalities. Specifically, the motivation for the ...
08:22
Simultaneous fMRI and Electrophysiology in the Rodent Brain
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Cited by 45 •
2010
We have developed a method for simultaneous functional magnetic resonance imaging and electrophysiological recording in the rodent brain, providing a platform for the investigation of the relationship between neural activity and the blood oxygenation level dependent (BOLD) MRI signal.
09:13
Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
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Cited by 51 •
2013
This report provides a detailed description of a new remote navigation system based on magnetic driven forces, which has been recently introduced as a new robotic tool for human cardiac electrophysiology procedures.
FAQs
Membrane potential provides a way to evaluate the electrical state of a cell under defined conditions. Changes in this voltage can reflect ion movement across the cell membrane and help reveal how cells generate or modify electrical signals. Examining these changes is especially useful for understanding communication and functional responses in neurons, muscle cells, and sensory systems.
Recording voltage measures electrical activity that arises in a cell, tissue, or organ, whereas applying controlled current tests how the system responds to an electrical input. Using these approaches separately or together allows researchers to examine membrane properties, ion-related behavior, and signal generation. The distinction helps connect an observed response with the conditions that produced it.
Action potentials show how excitable cells produce electrical signals, while synapses help explain how those signals pass between cells. Measuring both processes can reveal how ion channels and cellular connections shape communication. This makes electrophysiological analysis valuable for comparing responses in neurons, muscle cells, and sensory systems, where changes in signal transmission may alter function.
A typical experiment places electrodes in contact with the selected cell, tissue, or organ, then records voltage or applies a controlled current. Researchers maintain defined experimental conditions while monitoring electrical responses such as membrane changes, ion-related activity, or action potentials. The resulting measurements are analyzed to characterize cellular properties and signal transmission.
Electrophysiological measurements can show how ion channels contribute to membrane behavior and how synapses influence communication between cells. By examining electrical responses under controlled conditions, researchers can characterize changes in cellular signaling rather than only observing final physiological effects. These outcomes help explain how neurons, muscle cells, and sensory systems generate and transmit functional responses.
In biology, researchers apply electrophysiology to investigate development, disease mechanisms, pharmacology, and the effects of genetic or environmental changes on physiological function. The approach can reveal whether such factors alter membrane properties, ion movement, action potentials, or signal transmission. It therefore connects cellular electrical behavior with broader changes in tissue or organismal function.