Movie 7
Impalement of immobilized Paramecium with two microelectrodes. The electrodes are filled with 1 M KCl and connected to an electrophysiological amplifier. A voltage drop appears when the electrode is inserted into the cell.
A simple device to immobilize protists for electrophysiology and microinjection
Journal of Experimental Biology 2020. 223:None-None; doi: 10.1242/jeb.219253