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. Author manuscript; available in PMC: 2015 Jun 27.
Published in final edited form as: Anal Chem. 2015 Apr 30;87(10):5095–5100. doi: 10.1021/ac504151e

Figure 4.

Figure 4

(a) Cyclic voltammograms of 0.15–8 mM serotonin (5-HT) on a nanopipet electrode with a radius of 35 nm in cell 2. (b) Amperometric i–t curves for 0.15–8 mM 5-HT using a nanopipet probe with a radius of 21 nm in cell 2; applied potential E = −0.52 V vs E1/2,TEA.