Table 1.

Biochemical Constituents at the 3 Week Time Point of the Three-Dimensional Model

Culture conditions	Hydration (% water) n=5	DNA concentration (μg/mg wet weight) n=4	Sulfated GAG (μg/mg wet weight) n=4	% Collagen (mg/mg dry weight) n=5
5% oxygen	90.1±0.25	0.17±0.027	0.31±0.07	1.84±0.3
20% Oxygen	89.3±0.61	0.15±0.061	0.35±0.1	1.68±0.2

Data presented as mean±standard deviation of four or five replicates as indicated.

GAG, glycosaminoglycan.