Table 2.

Endotoxin content of 100 µg/mL GNP dispersions. A, below 0.05 EU/mL threshold; B, above 0.05 EU/mL threshold; C, accurate measurement is precluded by GNP interference.

GNPs	Endotoxin (EU/mL)	Outcome
1	0.030	A
2	0.070	B
3	1.667	C
4	1.546	C
5	0.436	C
6	0.041	A