Skip to main content
. Author manuscript; available in PMC: 2010 Dec 22.
Published in final edited form as: ACS Nano. 2009 Dec 22;3(12):3917–3926. doi: 10.1021/nn900819y

Table 1.

T1 and T2 values (ms) for CION with and without surfactant cross-linking at different loadings (w/v) of magnetite using Look-Locker and CPMG analytical pulse sequence approaches, respectively.

Magnetite Loading
0.50% 1.0% 3.0%
Relaxation Time (ms) mean std mean std mean std
Cross-linked T1 207.9 14.05 167.89 16.07 178.32 24.24
T2 7.38 0.81 3.22 1.81 2.75 1.62
No Cross-link T1 291.74 18.78 248.7 21.68 270.1 27.13
T2 8.75 2.20 4.84 3.25 2.16 0.78