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. Author manuscript; available in PMC: 2017 Jan 28.
Published in final edited form as: Nature. 2016 Jan 28;529(7587):509–514. doi: 10.1038/nature16521

Extended Data Figure 7. Selectivity study for electrochemical biosensors.

Extended Data Figure 7

a–d, The interference study for individual glucose (a), lactate (b), sodium (c) and potassium (d) sensors using an electrochemical working station. Data recording was paused for 30 s for the addition of each analyte in c and d. e, f, The real-time system-level interference study (e) and calibration plot (f) of the amperometric glucose and lactate sensor array with a shared solid-state Ag/AgCl reference electrode. g, h, The real-time interference study (g) and calibration plot (h) of the potentiometric Na+ and K+ sensor array with a shared PVB-coated reference electrode. Data recording was paused for 30 s for each solution change in e and g.