Assertion: membrane's voltage | /r/CapableOf | permit experimenter
Facets:
value: to study the ionic currents
type: PURPOSE
Source sentences:
text: The second problem was addressed with the crucial development of the voltage clamp,[at] which permitted experimenters to study the ionic currents underlying an action potential in isolation, and eliminated a key source of electronic noise, the current I C associated with the capacitance C of the membrane.