Table 3 Stability of the samples
Spiked plasma concentration (ng/mL) | Room temperature stability | Processed sample stability | Long term stability | Freeze and thaw stability | ||||
|---|---|---|---|---|---|---|---|---|
24.5 h | 71.5 h | 55 days | Cycle 3 (48 h) | |||||
Concentration measured | CV.a(n = 6) (%) | Concentration measured | CVa(n = 6) (%) | Concentration measured | CV.a(n = 6) (%) | Concentration measured | CV.a(n = 6) (%) | |
(n = 6) | (n = 6) | (n = 6) | (n = 6) | |||||
(ng/mL) | (ng/mL) | (ng/mL) | (ng/mL) | |||||
(mean ± S.D) | (mean ± S.D) | (mean ± S.D) | (mean ± S.D) | |||||
3.00 | 3.09 ± 0.16 | 5.26 | 3.11 ± 0.12 | 4.00 | 3.03 ± 0.08 | 2.56 | 3.04 ± 0.16 | 5.11 |
4800.00 | 5034.29 ± 62.49 | 1.24 | 4800.00 ± 104.74 | 2.18 | 4800.80 ± 172.50 | 3.59 | 4923.81 ± 148.20 | 3.01 |