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The transportation of ions through single-walled nanotubes (SWNTs) was studied using a twelve-welled device G22. Positive and negative voltages were applied through the SWNTs and the current was monitored to look for pore-blocking events. The data was analyzed for how much current was blocked and for how long the ion stayed in the nanotube. NaCl, acetylcholine, choline chloride and dopamine chloride were tested with device G22. We hypothesized that dwell time would be inversely related to voltage similarly to glycine in previous experiments. We have observed dwell time to decrease as voltage increases, which could be due to acetylcholine lacking a hydration shell or the interactions of the nonpolar portion of acetylcholine and water.
Blatt, Sarah; Lippe, David; Baird, David; Bonfiglio, Michael; and Seeburger, Matthew, "Analysis of Pore-Blocking Events in Carbon Nanotube Devices" (2020). Chemistry Presentations. 5.
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