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. Author manuscript; available in PMC: 2018 Oct 30.
Published in final edited form as: Anal Chem. 2018 Apr 5;90(8):5375–5380. doi: 10.1021/acs.analchem.8b00506

Figure 5.

Figure 5.

Selectivity test with common interferents (NO2, NH3, ethanol, CO, SO2, and HCHO), where the relative responses are the sensor responses to the interferents normalized by that to O3 at 100 ppbV.