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Performance of SERS immuno-sensors with different configurations.
| Assay system | Linear range (pg/mL) | Sensitivity (slope of fitted curve) | LOD based on 3S/N (fg/mL) |
|---|---|---|---|
| Au sphere@MGITC@SiO2 on Au film | 0.1–5.0×105 | 270.9 | 45±3 |
| Au sphere@MGITC@SiO2 on Au triangle nano-array | 0.5–1.0×105 | 488.6 | 25±5 |
| Au star@MGITC@SiO2 on Au triangle nano-array | 0.1–1.0×104 | 1245.7 | 7±5 |
