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. Author manuscript; available in PMC: 2013 Sep 19.
Published in final edited form as: Acc Chem Res. 2011 Jun 7;44(10):957–968. doi: 10.1021/ar200028a

TABLE 2.

MR Relaxivity Values of NMOFs on a per Metal Basisa

NMOF (dimensions) field strength r1 (mM−1s−1) r2 (mM−1s−1)
3 (100 × 400 nm)28 3T 35.8 55.6
3 (400 × 700 nm)28 3T 26.9 49.1
3 (1000 × 100 nm)28 3T 20.1 45.7
4 (100 × 25 nm)28 3T 13.0 29.4
Omniscan28 3T 4.1
6 (50–100 × 750–3000 nm)32 3T 5.5 80.0
7 (50–300 nm)32 3T 7.8 70.8
7 (50–300 nm)32 9.4T 4.6 141.2
7@silica (50–300 nm)32 9.4T 4.0 112.8
9 (150 nm)30 9.4T 56
PEG-9 (150 nm)30 9.4T 95
10 (200 nm)30 9.4T 73
PEG-10 (200 nm)30 9.4T 92
a

Omniscan is a clinically used small molecule Gd complex.