Biomarker Collection and Preservation for Diagnostics
Chemical Preservation of Reagents in Kits and Cartridges
DNAstable® Blood is an innovative product for dry storage and preservation of DNA in blood samples at ambient temperatures. The DNAstable Blood matrix forms a thermostable barrier as samples dry, protecting the blood DNA from degradation. DNAstable Blood is available pre-dried in tubes. Once the DNAstable Blood reagent is mixed with blood, samples can be dried in a laminar flow hood at room temperature, in a ventilated 40°C incubator, or in a vacuum centrifuge. Samples can then be stored at ambient temperature for at least 12 years (based on accelerated aging studies).
*Accelerated aging studies: A temperature increase of 10°C corresponds to a twofold increase in shelf life. For example, DNA stored at 40°C for 2 years corresponds to an estimated storage time of 8 years at 20°C.
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