Autosomal markers on green channel (PowerPlex16). Electropherograms of autosomal markers on green channel for PowerPlex16 panel for different samples. (a) Zero time; preserved with salt; (b) 30 days; (c) 120 days; (d) 365 days. (e) Untreated; 30 days; (f) 120 days; (g) 365 days. (h) Control sample, 365 days at -20°C. To facilitate comparison, the scale is the same for all the electropherograms.