Table 2: Youngs modulus of component hydrogel by sample |.
Measurements taken by AFM and quantified via appropriate Hertz model for sphere-on-sphere contact or sphere-on-surface contact.
| Sample of interest | Component | Fluorescent Tracers | Young’s Modulus ± SE |
|---|---|---|---|
| Validation Phantom: AFM | PA Inclusions | Red, 1–5μm | 29.3 ± 2.3 kPa |
| Phantom Agarose | Red, 1–5μm | 2.67 ± 0.10 kPa | |
| Reference Hydrogel | Green, 1–5μm | 7.83 ± 0.25 kPa | |
| Validation Phantom: uElastography, Linear | PA inclusions | Red, 1–5μm | 16.7 ± 1.92kPa |
| Phantom Agarose | Red, 1–5μm | 6.1 ± 0.24kPa | |
| Reference Hydrogel | Green, 1–5μm | 7.6 ± 0.32kPa | |
| Validation Phantom: uElastography, Nonlinear | PA inclusions | Red, 1–5μm | 32.17 ± 5.08kPa |
| Phantom Agarose | Red, 1–5μm | 5.97 ± 0.37kPa | |
| Reference Hydrogel | Green, 1–5μm | 8.41 ± 0.65kPa |