Skip to main content
. Author manuscript; available in PMC: 2016 Jan 21.
Published in final edited form as: Phys Med Biol. 2015 Jan 5;60(2):769–784. doi: 10.1088/0031-9155/60/2/769

Table 2.

T2 relaxation times and x-ray scatter signal enhancements of 10 nm and 40 nm SPION-PEG.

[Fe]
(ppm)		 T2 relaxation time (ms) x-ray scatter signal enhancement (%)
10 nm SPION-PEG 40 nm SPION-PEG 10 nm SPION-PEG 40 nm SPION-PEG
0 491 ± 61.3 491 ± 61.3 N/A N/A
5 55 ± 2.1 196 ± 15.6 0.7 ± 0.75 1.6 ± 0.40
10 37 ± 3.4 123 ± 31.6 1.9 ± 0.08 3.0 ± 0.44
20 22 ± 4.3 78 ± 1.8 3.0 ± 0.50 5.9 ± 0.48
50 15 ± 8.2 39± 8.8 8.2 ± 0.28 9.5 ± 0.29
100 <10 25 ± 6.3 10.3 ± 0.61 12.2 ± 0.10