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. Author manuscript; available in PMC: 2021 Apr 21.
Published in final edited form as: Anal Methods. 2020 Mar 27;12(15):2046–2051. doi: 10.1039/d0ay00368a

Figure 4.

Figure 4.

3D-printed multi-modal device featuring amperometric detection for norepinephrine and downstream chemiluminescent detection for ATP. (A) CAD rendering of the device. (B) Photograph of assembled device with sample inlet, three detection electrodes, an inlet for the luciferin-luciferase reagent, and output to waste. The ATP mixing channel denoted in (A) is placed over a PMT. (C) Flow injection analysis of injections of 500 μM norepinephrine and 200 μM ATP, 500 μM norepinephrine alone, and 200 μM ATP alone.