Figure 3: Western blot analysis of IL-8 in pHEK cultures. pHEK cultures were treated for 24 hours ((i) CPSRT, (ii) LDPE, and (iii) organotin-PVC) and 72 hours ((iv) CPSRT, (v) LDPE, and (vi) organotin-PVC) (). *For compared with both CPSRT and LDPE.