Table 1.

Excretion of oMWCNTs/NDs with urine at various times

	Time (h)
	0 to 2 h	2 to 10 h	10 to 25 h
oMWCNTs	7.06 ± 0.042%	0.805 ± 0.082%	1.841 ± 0.920%
oMWCNTs (NDs)	2.02 ± 0.651%	1.008 ± 0.385%	1.392 ± 0.099%
NDs	5.717 ± 2.413%	4.325 ± 1.59%	1.435 ± 0.850%
NDs (oMWCNTs)	1.075 ± 0.30%	3.557 ± 1.793%	6.366 ± 2.097%

At 0 to 2, 2 to 10, and 10 to 25 h (n = 6).