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Analysis of D- and L- Isomers of (Meth)amphetamine in Human K2EDTA Plasma
Journal of Biomedical and Life Sciences
| Vol 3, Issue 1
Table 8. Stability testing. QC sampleswere tested for stability after 3 freeze thaw cycles. They were also testedovernight at the indicated temperatures. A 3 and 7 day post extraction studywere also performed at 2-8 癈
| F/T 3 Cycles | Overnight Stability | Post Preparation Stability | ||||||
| QC | %Diff | RT | 4 癈 | -20 癈 | Init % Diff Nom | %Diff Init Day 3 | %Diff Init Day 7 | |
| QC 37.5 | -4.44 | 0.82% | 0.77% | 1.05% | -0.56 | -10.46 | 0.56 | |
| QC 400 | -1.66 | 1.17% | 0.54% | 0.50% | -2.51 | -3.97 | 2.54 | |
| QC 37.5 | -2.53 | 0.35% | 0.25% | 0.45% | -4.41 | -4.03 | 4.51 | |
| QC 400 | -0.09 | 0.94% | 0.44% | 0.43% | -4.10 | -2.36 | 4.19 | |
| QC 37.5 | 1.12 | 1.86% | 1.19% | 1.59% | -1.24 | 9.71 | 1.25 | |
| QC 400 | -1.15 | 1.00% | 1.06% | 1.76% | -6.30 | 5.44 | 6.50 | |
| QC 37.5 | 4.13 | 1.77% | 1.08% | 2.24% | 8.76 | 5.16 | -8.39 | |