Table 5.

Stability evaluation of DLX at two different concentrations (LQC and HQC) (n = 6).

Stability	Nominal Conc. (ng/Band)	Conc. Found (ng/Band) ± SD	Precision (% RSD)	Accuracy (% Recovery)
Bench Top (12 h)	16	15.08 ± 0.85	5.63	94.25
	400	396.45 ± 4.68	1.18	99.11
Refrigeration (Overnight)	16	15.32 ± 0.96	6.26	95.75
	400	397.77 ± 5.25	1.31	99.44
Freeze Thaw (3 Cycles)	16	17.05 ± 1.02	5.98	106.56
	400	405.28 ± 6.91	1.70	101.32
Freezer at −80 °C (30 days)	16	17.65 ± 1.12	6.34	110.31
	400	401.13 ± 7.13	1.77	100.28