Table 1.
Results of fouling experiments where the baseline is recorded, and fouling measured by looking at the resulting frequency after sample exposure to biological fluid and washing with PBS. Averages and overall standard deviation are shown for n experimental runs.
| Crystal Modification | Fluid Exposed | Avg. Baseline (kHz) | Avg. Recovery (kHz) | Avg. Δf ± St. Dev. (kHz) |
|---|---|---|---|---|
| Bare crystal | Serum (n=3) | 1,065,256 | 1,065,240 | 16.3 ± 0.65 |
| Milk (n=3) | 1,064,806 | 1,064,790 | 16.5 ± 2.81 | |
| MEG-OH crystal | Serum (n=3) | 1,065,138 | 1,065,138 | −0.10 ± 0.30 |
| Milk (n=3) | 1,065,226 | 1,065,225 | 0.35 ± 0.27 | |
| MEG-Cl crystal | Serum (n=3) | 1,065,695 | 1,065,694 | 0.74 ± 0.92 |
| Milk (n=3) | 1,065,374 | 1,065,371 | 2.52 ± 1.65 | |
| MEG-NTA crystal | Serum (n=3) | 1,065,141 | 1,065,225 | 2.04 ± 0.44 |
| Milk (n=3) | 1,065,040 | 1,065,037 | 2.42 ± 0.86 |