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Observed Raman intensity of each nanoparticle shape. Intensity values were determined from extrapolation of the spontaneous Raman calibration curve of methylene blue with SERS measurements normalized to nanoparticle concentration (determined by ICP-MS) and the average number of reporter molecules per nanoparticle (determined by ESI-LC-MS).
| Nanoparticle Shape | Observed Raman Intensity |
|---|---|
|
| |
| Cubes | 5.63 ± 0.56 × 103 |
| Spheres | 0.87 ± 0.52 × 103 |
| Trisoctahedra | 4.01 ± 0.20 × 103 |
