TABLE 3.

pH and H₂O₂ concentration under eLOS oxygen scavenging.

Scavenging conditions (n = 3)	Measurand	Time (mins)
		0	30	180
PBKCl PBKCl	pH [H2O2]	7.3 ± 0.1 Negative	7.3 ± 0.1 0.8 ± 0.3 µM	7.3 ± 0.1 0.8 ± 0.3 µM
PBKCl with catalase PBKCl with catalase	pH [H2O2]	7.3 ± 0.1 Negative	7.3 ± 0.1 Negative	7.2 ± 0.1 Negative
DMEM/F-12 DMEM/F-12	pH [H2O2]	7.6 ± 0.1 Negative	7.6 ± 0.1 0.8 ± 0.3 µM	7.6 ± 0.1 Trace amount
DMEM/F-12 with catalase DMEM/F-12 with catalase	pH [H2O2]	7.4 ± 0.1 Negative	7.4 ± 0.1 Negative	7.4 ± 0.1 Negative