Fig. 4

Results of the in vitro assay (single pass). AN69ST polyacrylonitrile (surface treated), PS polysulfone, PMMA polymethylmethacrylate, conc. concentration. Study of the adsorbed/filtered amounts of NM (ECUM). Data represent the mean (SD) of four independent experiments. Asterisk indicates Tukey’s post-tests that were used to determine the significant differences between groups