Table 3.

Values of total calcium in each well for all samples at day 16. The values were determined using a colorimetric assay.

HMSC plated on substrate/medium	Total calcium (ng/well)
Tissue culture plastic/DMEM	3.204 ± 0.73
Tissue culture plastic/OS	669.73 ± 20.06
Vetronectin/DMEM	65.79 ± 4.56
Vetronectin/OS	751.21 ± 25.32
Collagen I/DMEM	54.43 ± 6.14
Collagen I/OS	684.22 ± 23.38
Collagen IV/DMEM	25.94 ± 2.45
Collagen IV/OS	645.92 ± 21.87
Fibronectin/OS	663.06 ± 18.35
Laminin-1/OS	613.47 ± 15.21