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Member since: 2012
Organization: Florida Atlantic University
Application Area: Electrophysiology
"Older models tend to have interference issues between the microscope and electrode holder. A design flaw means that when the microscope hits the electrode holder, electrodes tend to break as a result."
Intracellular recording electrodes can benefit from beveling because of 1) a reduction in the tip diameter by creation of the sharp point on the electrode and 2) a lowered electrical resistance of the electrode due to the larger cross sectional area of the lumen. This greatly facilitates penetrating and holding very small or difficult cells. Microinjection needles also benefit from beveling by promoting entry into cells with minimal damage while at the same time enhancing the flow of material through the needle.