FIELD: chemistry.
SUBSTANCE: invention relates to field of biotechnology and can be used for storing DNA preparations in liquid form. Composition, containing buffer solution, including 0.5-4% of N-lauryl sarcosine, 5-20 mM of EDTA, 30-200 mM of Tris(hydroxymethyl)aminomethane and water - the remaining part. Versions of composition can contain 0.04-0.4% of NaN3 (sodium azide) instead of Tris or in combination with it. Obtained compositions are applied for soaking porous carriers for storage and/or transportation of DNA-containing preparations or DNA.
EFFECT: invention provides stability of DNA biosamples in wide range of temperatures for long periods of time.
19 cl, 4 dwg, 6 tbl, 4 ex
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