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. Author manuscript; available in PMC: 2020 May 10.
Published in final edited form as: ACS Infect Dis. 2019 Feb 4;5(5):769–777. doi: 10.1021/acsinfecdis.8b00290

Figure 3. Current traces from resistive-pulse measurements on a device with 4 pores in series.

Figure 3.

(a) Three 4-pulse sequences measured in 1 M NaCl with 900 mV applied across the nanopores and (b) four 4-pulse sequences measured in 0.5 M NaCl with 1000 mV applied across the nanopores, which were coated with a short-chain PEG-silane. Pulse sequences with smaller and larger amplitudes correspond to the translocation of T = 3 and T = 4 capsids across the 4 nanopores in series, respectively. The limits of detection are ~30 and ~70 dimers for the measurements at 1 and 0.5 M NaCl, respectively.