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Comparison of relaxivities (r1) for PEGylated and non-PEGylated liposomes.
| Liposome | Gd-lipid | PEG shielded | r1/mm−1 s−1 |
|---|---|---|---|
| A | Gd-DEG1SL | DODEG4 | 2.95 |
| B | Gd-DEG3SL | DODEG4 | 2.29 |
| C | Gd-DEG6SL | DODEG4 | 1.97 |
| D | Gd-DEG3SL | DSPE-PEG2000 | 2.12 |
| E | Gd-DEG1SL | – | 3.05 |
| F | Gd-DEG3SL | – | 2.37 |
| G | Gd-DEG6SL | – | 1.78 |
