Table 2.
Proportion of fractured tubes upon freezing in Biostore and Sample Store I at different fill volumes of distilled water.
| Fill volume (μl) | Brand 1 (HD) | Brand 2 (HD) | Brand 3 (HD) | Brand 1 (SD) | Brand 1 (HD—external) | |
|---|---|---|---|---|---|---|
| Biostore | 900 | 0.0% | 66.7% | 83.3% | 8.3% | 0.0% |
| 970 | 70.8% | 33.3% | 50.0% | 45.8% | 0.0% | |
| 1,000 | 100.0% | 66.7% | 83.3% | 95.8% | 0.0% | |
| Sample Store | 900 | 37.5% | 0.0% | 0.0% | 0.0% | 0.0% |
| 970 | 16.7% | 0.0% | 0.0% | 0.0% | 0.0% | |
| 1,000 | 41.7% | 0.0% | 0.0% | 100.0% | 0.0% |
HD, samples frozen seated in high density tray; SD, samples frozen seated in standard density SBS racks.