Fig. (2) Determination of vital cells after 5 and 10 minutes versus negative control. (A) Significant decrease of vital chondrocytes after treatment with 100 % IC for 5 minutes. (B) Significant decrease of living cells after treatment with 10 % and 100 % IC for 10 minutes. (A, B) n=6, Mean±SEM, A nonparametric Wilcoxon matched pairs test was used as indicated in the legends. A p value of < 0.05 was considered to be significant.