Table 2.
Comparison of the characteristics of the proposed sensor and other recently published microwave microfluidic sensors with resonance shift operating principle.
| Reference | fmin (GHz) | fmax (GHz) | εmin | εmax | Sensitivity (MHz/Relative Epsilon) | Overall Size (λg × λg) |
|---|---|---|---|---|---|---|
| [6] | 14.05 | 17.08 | 1 | 80.1 | 38.35 | 0.5 × 0.5 |
| [8] | 8.9 | 10.5 | 1 | 80.1 | 20.25 | 5.8 × 5.8 |
| [9] | 3.4 | 4.2 | 1 | 80.1 | 10.13 | 0.23 × 0.22 |
| [10] | 0.915 | 1 | 1 | 80.1 | 1.07 | 0.19 × 0.08 |
| [15] | 1.57 | 1.875 | 16.5 | 72 | 5.5 | 0.1 × 0.1 |
| [23] | 1.18 | 1.52 | 1 | 80.1 | 4.3 | 0.086 × 0.094 |
| This work resonance 1 | 1.703 | 1.984 | 1 | 80.1 | 3.57 | 0.21 × 0.17 |
| This work resonance 2 | 3.072 | 3.381 | 1 | 80.1 | 3.91 |