Figure 4

Effects of UV treatment and ALN immersion on ALP activity in MG-63 cells, as assessed by spectrophotometry after 3 days of culture, in the S, SUV, SAN, and SUVAN groups. Data are expressed as meansā±āS.E.M. (nā=ā5). *Pā<ā0.05 for comparisons among the groups. The asterisks indicate statistically significant differences between the groups.