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. Author manuscript; available in PMC: 2020 Jul 24.
Published in final edited form as: J Am Chem Soc. 2019 Jul 9;141(29):11721–11726. doi: 10.1021/jacs.9b06229

Figure 1.

Figure 1.

A) In protein quantification mode, the redox molecule’s tethered diffusion is initially fast but slowed by anchor molecule binding; B) Small-molecule quantification mode starts with slower diffusion, but anchor displacement by target promotes faster diffusion and higher SWV current.