Figure 6.

(a) Simulation result shows measurement accuracy improves as SNR increases. pO2 measurement uncertainty is higher under hyperoxic condition. (b) Measured pO2 for three PFC NPs samples with different NP concentration bubbled with N2, Air and O2, respectively. The mean value of measured pO2 is independent on PFC NPs concentration but measurement uncertainty (error bars) is suppressed by increased SNR.