Floating Electrodes

(reference: Vivian Budnik)

pull an electrode in the customary way

backfill it with the chosen electrolyte

brake the tip with a fine file at approximately the level were the taper begins (hold the tip with soft forceps)

insert the tip into the Ag wire and seal the end against the wire with plasticine (or wax, etc)

the Ag wire should be very thin and Teflon coated to add strength and flexibility

the very tip should then be stripped of the Teflon and chlorided with bleach (10-15min in bleach) or electrolytically.

the wire should be supported by a rod attached to the headstage of the amplifier and connected to the headstage; the freely hanging part should only be a few millimeters long (perhaps up to 1 cm) impale as usual: approach and buzz

Copyright: STG Lab 2006
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