Table 1.
Comparison of RSV detection performance for three different nanoparticle geometries (sphere, rod, urchin) and concentrations (1, 5, 10 OD).
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| AuNP shape | Dimension (nm) | Concentration (O.D.) | LOD (PFU/mL) | LOD (copies/μL) | LOD (PFU) | LOD trend | |
| Low | High | ||||||
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| Sphere | 15 | 1 | 280,000 | 3360 | 8400 |
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| 5 | 34,000 | 408 | 1020 | ||||
| 10 | 200,000 | 2400 | 6000 | ||||
| 50 | 1 | 29,000 | 348 | 870 | |||
| 5 | 8000 | 96 | 240 | ||||
| 10 | 7900 | 95 | 237 | ||||
| 100 | 1 | 14,000 | 168 | 420 | |||
| 5 | 8700 | 104 | 261 | ||||
| 10 | 9600 | 115 | 288 | ||||
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| Rod | 50 (length) × 15 (width) | 1 | 8,300 | 100 | 249 | ||
| 5 | 4400 | 53 | 132 | ||||
| 10 | 5100 | 61 | 153 | ||||
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| Urchin | 65 | 1 | 16,000 | 192 | 480 | ||
| 5 | 8000 | 96 | 240 | ||||
| 10 | 7300 | 88 | 219 | ||||
| 75 | 1 | 2100 | 25 | 63 | |||
| 5 | 1400 | 17 | 42 | ||||
| 10 | 1500 | 18 | 45 | ||||
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