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. Author manuscript; available in PMC: 2021 Jul 21.
Published in final edited form as: Anal Chem. 2019 Nov 19;91(23):15032–15039. doi: 10.1021/acs.analchem.9b03709

Figure 5.

Figure 5.

Time course of the O2 sensor response in a water-filled well at 37 °C as gas input switches from air/CO2 to N2/CO2. The responses shown are for gas flow rates of 3mL/min (black line) and 25 mL/min (orange line). The inset shows the response of the sensor in the well when gas is cycled between N2/CO2 and 1% air/CO2 (pO2=1.6 mmHg) every 5 min.