Ion chanel techniques Flashcards
1
Q
Patch voltage clamp will allow recording of what 3 types of configurations?
A
Single channel attached to cell
Single channel excised from cell
All ion channels within a membrane
2
Q
What are the characteristics of ion channels?
A
Typical size or conductance Ion selectivity/permeability Mathematically defined states Distinct voltage sensitivity Distinct pharmacology
3
Q
What channels have time-dependent activation?
A
Potassium channels in heart
4
Q
The magnitude and direction of charge flow through an ion channels depends on what?
A
Electrochemical driving force
