The forensiX Evidence Collection Tube and Its Impact on DNA Preservation and Recovery

Table 1

Summary of saliva-loaded tubes and storage conditions.

Sample no.	Type of storage tube	Storage condition
1–3	Microfuge tube (positive control)	Frozen (−20°C)
4–6	forensiX evidence collection tube; cotton swab with SafeDry desiccant	Frozen (−20°C)
7–9	Sarstedt forensic tube with ventilation membrane	Frozen (−20°C)
10–12	forensiX evidence collection tube without SafeDry desiccant	25 ± 2°C at 60% relative humidity
13–15	forensiX evidence collection tube; cotton swab with SafeDry desiccant	25 ± 2°C at 60% relative humidity
16–18	Sarstedt forensic tube with membrane sealed using Scotch tape	25 ± 2°C at 60% relative humidity
19–21	Sarstedt forensic tube with ventilation membrane	25 ± 2°C at 60% relative humidity