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DCFH ROS generation of 19 ENMs in 1wt.%BSA/0.9wt. % NaClaq dispersed by cup sonication. Only 4 of the 19 ENMs were positive (95% confidence interval above blank value denoted with the red line), 13 were negative and two were inconclusive (MWCNT_L, nano Ag). The positive samples included three CNTs and the SWCNH-ox. Each value represents 3 or more independent sonications, each in triplicates (n≥9).
