How Supraphysiological Oxygen Levels in Standard Cell Culture Affect Oxygen-Consuming Reactions

Table 2

Intracellular O₂ levels under various cell culture conditions.

Cell line and conditions	Extracellular O2 (%)	Intracellular O2 (%)	References
Confluent, differentiated PC12 cell monolayer	20	~15	[74]
	10	~7
	6	~1.5
HeLa	20	~17	[75]
	10	8-9
	5	2–5
Undifferentiated PC12 cells	20	~15	[76]
	8	1-2
Mouse embryonic fibroblasts	20	6–8	[76]
Mouse embryonic fibroblasts	20	~14	[9]
	9	2-3
	5	~0.5