Comparison to Standard Culture Media

Amies
Transport Media
Stuarts
Transport Media
AssayAssure
Preservation System
Bacterial Viability at ambient temperature +25°C
24-48 hours
24-48 hours
144 hours*
Stabilized bacterial population - no growth after collection
No
No
Yes
Down-regulation of bacterial growth factors
No
No
Yes
Protection of DNA and RNA from enzymatic products of lysed cells
No
No
Yes
Buffering System
No
No
Yes
Cryoprotectant
No
No
Yes
Biological penetrant
No
No
Yes
Stabilization of unculturable bacteria
No
No
Yes
PCR/qPCR-ready samples - compatible with all molecular platforms
No
No
Yes
Validated for multiplex assays
No
No
Yes
Environmental storage constraints
Store at 5°-25°C
Do not freeze
or overheat.
Store at 5°-25°C
Do not freeze
or overheat.
None

* Data provided by, and used with permission from, Sierra Molecular. Groups of Gram-negative and Gram-positive bacteria were tested for viability at innolcula of 102 and 103 CFU/ml every 24 hours through 144 hours. No difference in viability (colony counts) or biochemical expression was observed.