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. Author manuscript; available in PMC: 2014 May 15.
Published in final edited form as: Biosens Bioelectron. 2013 Jan 4;43:355–361. doi: 10.1016/j.bios.2012.12.027

Figure 4.

Figure 4

(a) Typical calibration curves obtained at different oxygen concentration and (b) the corresponding linear relationship between the parameter k and oxygen concentration. (c) Accuracy of the oxygen compensation method on determination of ATP concentration at 15% oxygen level using the parameters obtained from the calibration tests at 10% and 20% oxygen levels (n=3). The data were normalized to the corresponding ATP concentration and expressed as mean values ± standard deviation in (c).