Table 1.
Main characteristics of the spore samples used during the neutron experiment and their preparation.
| Sample preparation | Strains/ sporulation medium | Hydration level h (h = g water/g dry mass) | Stability during neutron measurement | Core wet density values in water (g/ml) | Measurement time per T point (h) |
|---|---|---|---|---|---|
| D2O pellets | PS 533 2*SG agar | 1.2 | Yes | 1.353–1.38230,32,69 | 2.6 |
| PS 533 2*SG agar (germinated) | 2.6 | Yes | 1.19432 | 3 | |
| FB113 2*SG agar | 1.1 | Yes | 1.35132 | 4 | |
| FB113 2*SG agar (germinated) | 1.57 | Yes | 1.2532 | 3 | |
| FB122 2*SG agar | 1.73 | Yes | 1.29730 | 2.7 | |
| H2O pellets | PS533 2*SG liquid | 1.3 | No | 1.353–1.38230,32,69 | 2.3 |
| FB122 2*SG liquid | 1.6 | Yes | 1.29730 | 2.3 | |
| D2O hydrated powder | PS533 2*SG liquid | 0.36 | Yes | 1.353–1.38230,32,69 | 1.5-3 (according to T range) |
| PS4150 2*SG liquid | 0.39 | Yes | 1.37629 | ||
| FB122 2*SG agar | 0.4 | Yes | 1.29730 | 1-1.3 | |
| D2O suspensions | PS533 2*SG liquid | 7 | No | 1.353–1.38230,32,69 | 3.5 |
| PS533 2*SG agar | 6 | Yes | 1.353–1.38230,32,69 | 3.5 | |
| PS533 SPZ agar | 5.5 | Yes | 1.353–1.38230,32,69 | 3 | |
| PS4150 SPZ agar | 4.7 | No | 1.37629 | 3 | |
| H2O suspensions | PS533 SPZ agar | 2.7 | Yes | 1.353–1.38230,32,69 | 2.5 h |