Table 2

Effect of increasing the concentration of polymeric sodium metaphosphate (SMP) on human chondrocytes by tetrazolium salt (MTT) assay

  • 2-150 SMP was dissolved in phosphate buffered saline (PBS; 280–300 mmol/kg, pH 7.4).

  • 2-151 Values were expressed as a percentage of metabolically active cells as compared with controls.

  • MTT test measures the number of metabolically active cells by a colorimetric technique. The data represent the mean results of four separate experiments. The control cultures were obtained by incubating cells with PBS for 24 hours.