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The regional signal to noise ratio (SNR) from whole tumor, tumor core, and tumor rim and relatively to SNR from the back muscle.
| Position | F127 Coated SPION | F127-Folate Coated SPION | ||||
|---|---|---|---|---|---|---|
| Pre-Injection | Post-Injection | Reduced Signal (%) | Pre-Injection | Post-Injection | Reduced Signal (%) | |
| Tumor rim/back muscle | 1.5 | 1.5 | 99.8 | 1.6 | 1.4 | 85.6 |
| Tumor core/back muscle | 1.3 | 1.5 | 117.7 | 1.8 | 1.4 | 80.3 |
| Whole tumor/back muscle | 1.3 | 1.4 | 108.1 | 1.7 | 1.4 | 83.2 |
