| Typicality: | 0.557 |
| Saliency: | 0.339 |
| in liquid nitrogen | 9 | location |
| upon collection | 4 | temporal |
| for total rna purification | 3 | purpose |
| tissue → be → snap-frozen | 10 |
| tissue → be → flash-frozen | 5 |
| tissue → snap → frozen | 3 |
| negative | neutral | positive |
| 0.146 | 0.808 | 0.046 |
| Raw frequency | 18 |
| Normalized frequency | 0.339 |
| Modifier score | 1.000 |
| Perplexity | 55.792 |