Table 1.
Various FePt nanoparticle composite materials are used to enhance their biological applications in MRI
| Nanocomposite | Particle size | Saturation magnetization (Ms) | r2 relaxivity (Tesla) | Cell types | Refs. |
|---|---|---|---|---|---|
| FePt-Fe3O4 nanocubes | 10–13 nm | 26.5 emu·g−1 | n/a | THP-1 cell line | Emo et al. [4] |
| FePt@Kaolinite nanocomposites | 100 ± 10 nm | 25.86 emu g−1 | 17.18 mM−1 s−1 (4.7 T) | HepG2 cell line | Chan et al. [5] |
| FePt@MnO nanoparticles | 8 ± 1 nm | n/a | 8.14 mM−1 s−1 (3 T) |
HepG2 cell line MCF-7 cell line |
Yang et al. [6] |
| FePt@iron oxide nanoparticles | 14.7 ± 1.1 nm | 471 emu cc−1 | 360 mM−1 s−1 (4.7 T) | KB cell line | Yang et al. [7] |
| FePt/SiO2/Au nanoparticles | 40 nm | 1140 emu cm−3 | 47 ± 3 mM−1 s−1 (2.35 T) | RT4 cell line | Kostevšek et al. [8] |
| FePt@hollow mesoporous silica nanospheres | 100–150 nm | 9.4 emu g−1 | 46.2 mM−1 s−1 (9.4 T) | HeLa cell line | Lin et al. [14] |
| FePt@mSiO2 | 87.6 ± 6.5 nm | n/a | 7.173 mM−1 s−1 (0.47 T) | HeLa cell line | Chen et al. [15] |
| FePt-CdS nanoprobe | 9–11 nm | n/a | 538.1 s−1 mg−1 mL | RAW 264.7 macrophage cell line | Jha et al. [16] |
| FePt/graphene oxide nanoassemblies | 100 nm | 4.10 emu g−1 | 12.425 mM−1 s−1 (3 T) |
MCF-7 cell line normal L02 cell line |
Yue et al. [17] |
|
FePt–Fe3O4 core–shell nanoparticles |
8 nm | 23.1 emu g−1 | 131.5 mM−1 s−1 (9.4 T) | n/a | Kim et al. [29] |
| FePt@Fe2O3 core–shell magnetic nanoparticles | 5 nm | n/a | 91.9 mM−1 s−1 (3 T) |
KB cell line HeLa cell line |
Liu et al. [30] |
| FePt@SiO2 nanoparticles | 48.98 ± 6.41 nm | ~ 10 emu g−1 | 102.3 mM−1 s−1 (3 T) | HeLa cell line | Lai et al. [35] |
|
Si@FePt- Fe3O4 nanoparticles |
~ 100 nm | ~ 0.09 emu cm3/mol | ~ 20 mM−1 s−1 | n/a | Malvindi et al. [36] |
| FePt@Fe2O3 nanoparticles | 8 nm | 24.8 emu g−1 | 3.462 (μg/mL)−1 s−1 (7 T) | HeLa cell line | Gao et al. [37] |
|
FePt@ Montmorillonite nanocomposites (This work) |
150–200 nm | 24.54 emu g−1 | 41.835 mg−1 s−1 mL (7 T) |
SKHep1 cell line Mahlavu cell line |
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