Table 1.

The number of blood samples taken during the experiments across the 4 healthy male volunteers.

Type of sample	Number of Samples
Control (4 ml)	4
Oxygenated (4 ml)	4
Deoxygenated (4 ml)	3
Concentrated RBCs (2 × 4ml)	4
Plasma (2 × 4ml)	2
Clotted (5 ml)	2
pH 6.8 (4 ml)	1
pH 7.0 (4 ml)	1
pH 7.4 (4 ml)	1
Total	24