Table 1.

Uptake of BNF nanoparticles by DU145 prostate cancer cells measured by ICP-MS.

Fe/PDL (μg/ml)†	Average Fe (pg/cell) ± SD	Estimated particle number/cell	n‡
0/1.5	<0.01	<8.4	6
150/0	2.5 ± 0.6	2100	4
15/0.5	4.5 ± 1.3	4000	8
75/1	69.7 ± 21.8	58,500	5
100/1.5	104.5 ± 6.9	87,800	6
150/1.5	199.1 ± 41.5	167,200	4

^†Final concentration in the media of either Fe or PDL.

^‡Number of samples from similar treatments that were subjected to inductively coupled plasma mass spectrometry analysis.

PDL: Poly-D-lysine; SD: Standard deviation.