Table 6.

Stability of ChA in beagle plasma under various storage conditions (Mean ± SD, n = 3).

Nominal conc. (μg/mL)	4 °C/4 h (extracted sample)	Room temp./3 h	−20 °C/3 freeze/thaw cycles	−20 °C/1 mon
25.840	102.75 ± 0.35	94.97 ± 1.34	98.69 ± 2.76	114.28 ± 0.99
6.460	103.64 ± 1.78	93.22 ± 1.18	97.16 ± 4.62	103.12 ± 0.34
0.808	100.50 ± 8.03	96.48 ± 0.16	98.88 ± 4.68	107.79 ± 7.90