Table 4. Long-term storage stability of platinum concentration in cell samples.
| Cell lines | Storage conditions | 0d (ug/L) | Storage time | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7d | 14d | 21d | 35d | 60d | ||||||||
| Ca (ug/L) | Average recovery (%) | Ca (ug/L) | Average recovery (%) | Ca (ug/L) | Average recovery (%) | Ca (ug/L) | Average recovery (%) | Ca (ug/L) | Average recovery (%) | |||
| A2780 | −20°C | 110.9 | 112.7 | 101.6 | 126.3 | 113.9 | 124.6 | 112.4 | 116.2 | 104.8 | 96.4 | 87.0 |
| −80°C | 110.9 | 100.7 | 90.8 | 111.9 | 100.9 | 126.2 | 113.8 | 121.7 | 109.8 | 98.0 | 88.4 | |
| HeLa | −20°C | 109.4 | 113.6 | 103.8 | 104.7 | 95.7 | 113.6 | 103.9 | 96.8 | 88.5 | 112.3 | 102.7 |
| −80°C | 109.4 | 111.2 | 101.6 | 121.8 | 111.3 | 123.6 | 113.0 | 108.7 | 99.4 | 112.6 | 103.0 | |
| Hep G2 | −20°C | 113.4 | 113.7 | 100.3 | 113.9 | 100.4 | 117.2 | 103.3 | 112.1 | 98.9 | 101.9 | 89.9 |
| −80°C | 113.4 | 117.0 | 103.1 | 102.3 | 90.2 | 111.8 | 98.6 | 107.6 | 94.9 | 122.2 | 107.8 | |
Notes.
a
Concentration.