All cells maintain a voltage of around 70 millivolts across their plasma membranes. This membrane potential is crucial in cellular signaling, hormone secretion, and communication between the cells. Electrophysiology measures and analyses electrical signals within and between cells, and because of its exquisite sensitivity, activities of a single protein molecule can be monitored in real time. CPSB faculty members apply electrophysiology to a wide variety of samples, from purified proteins, cultured cells, to live organisms.
Profiles of Faculty Working on Electrophysiology
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