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Effects of storage time and temperature on stability.
| Stability at different temperatures | ||
|---|---|---|
| Donor red blood cells | ||
| Maximal time of storage allowed | ||
| 20–25C | 4C | |
| 1 day? | 42 days | |
| Poly-[Hb-SOD-CAT-CA] solution | ||
| T1/2 of enzyme activities: | ||
| 20–25C | 4C | |
| CAT | 172 days | 380 days |
| SOD | 92 days | 198 days |
| CA | 51 days | 231 days |
| Poly-[Hb-SOD-CAT-CA] lyophilized: | ||
| Day 320 % enzyme activity | ||
| 20–25C | 4C | |
| CAT | 73% (day 320) | 85% (day 320) |
| SOD | 67% (day 320) | 76% (day 320) |
| CA | 73% (day 320) | 85% (day 320) |
