Table 1. Relaxivity Data of Manganese Oxide-Based Nanoparticles (per Mn).
| nanoparticlesa | r1 (mM−1 s−1) | r2 (mM−1 s−1) | r2/r1 | field (T) | ref |
|---|---|---|---|---|---|
| HMnO@mSiO2 | 0.99 | 11.02 | 11.13 | 11.7 | this paper |
| MnO@PEG-phospholipid | 0.11 | 6.16 | 56 | 11.7 | this paper |
| MnO@mSiO2 | 0.65 | 9.50 | 14.61 | 11.7 | this paper |
| MnO@dSiO2 | 0.08 | 2.27 | 28.37 | 11.7 | this paper |
| HMnO@mSiO2 | 1.72 | 11.30 | 6.56 | 1.5 | this paper |
| WMON | 0.21 | 1.49 | 7.09 | 3 | (57) |
| HMON | 1.42 | 7.74 | 5.45 | 3 | (57) |
| Mn-NMOFs | 4.0 | 112.8 | 28.2 | 9.4 | (60) |
| Mn3O4@SiO2(RBITC) | 0.47 | N/A | 3.0 | (39) | |
| HAS-MNOP | 1.97 | N/A | 7.0 | (61) |
Nanoparticle annotations: HMnO@mSiO2 - mesoporous silica-coated, hollow MnO nanoparticles. MnO@PEG-phospholipid - MnO nanoparticles encapsulated with PEG-phospholipid. MnO@mSiO2 - nonetched mesoporous silica-coated MnO nanoparticles. MnO@dSiO2 - dense silica-coated MnO nanoparticles. WMON - water-dispersible manganese oxide nanoparticles. HMON - hollow manganese oxide nanoparticles. Mn-NMOFs - manganese-containing nanoscale metal−organic frameworks (NMOFs). HAS-MNOP - human serum albumin-coated manganese oxide nanoparticles.