Figure 2.
(a) Single-cell amperometry with a CFE for recording current spikes of vesicular ascorbate released from a single rat adrenal chromaffin cell by K+-stimulated exocytosis. Reprinted with permission from ref (11). (b) Schematic illustration of nanoamperometry inside the synaptic cleft. (c) Scanning electron microscopic image of a CFE with a nanotip. Scale bar, 1 μm. (d,e) Bright field micrographs of the nanoCFE inserted into the synaptic cleft. Scale bar, 5 μm. Reprinted with permission from ref (18).
