DNA cleanup procedure
Sample preparation (gel)1. Vyrezat uchastok gelya s nuzhnym fragmentom DNA i place ego v predvaritelno vzveshennuyu tube, dalee vzvesit tube s proboy i vyschitat raznitsu. Ves gelya v mg priravnivaetsya k ego obemu v uL (1 mg gelya = 1 uL gelya).2. V tube add 3 obema svyazyvayushchego bufera (ot obema gelya), no ne menee 300 uL.3. Incubate smes v termostate pri 55-58℃ until complete dissolution gelya, periodicheski peremeshivaya on a vortex mixer.Optsionalno: dlya fragmentov DNA menee 500 bp posle dissolution gelya vnesti v reaktsiyu 1 obem izopropanola (ot obema gelya) i peremeshat. Dalee pereyti k etapu sorbtsii i promyvki.Sample preparation (reaktsionnaya smes)1. Esli obem RS sostavlyaet menee 25 uL, to neobkhodimo dovesti ego do 50 uL vodoy ili TE-buferom i prinyat dannyy obem za osnovnoy. K obemu RS add 3 obema svyazyvayushchego bufera, peremeshat.Optsionalno: dlya fragmentov DNA menee 500 bp vnesti v reaktsiyu 2 obema izopropanola (ot obema RS). Dalee pereyti k etapu sorbtsii i promyvki.Sorbtsiya i promyvka NA1. Peremestit ves obem smesi v spin-kolonku.2. Centrifuge v techenie 30 sekund pri 10-13 tys. ob/min, udalit filtrat iz sobiratelnoy tubes.3. Add v spin-kolonku 750 uL promyvochnogo bufera.4. Centrifuge v techenie 30 sekund pri 10-13 tys. ob/min, udalit filtrat iz sobiratelnoy tubes.5. Centrifuge spin-kolonku v techenie minuty pri 10-13 tys. ob/min.6. Peremestit spin-kolonku v novuyu tube 1,5-2 mL. Sobiratelnuyu tube utilizirovat.Nucleic acid elution1. Add na tsentr membrany spin-kolonki 50-100 uL elyuiruyushchego bufera.2. Incubate v techenie 3-10 minut at room temperature.3. Centrifuge v techenie 30-60 sekund pri 10-13 tys. ob/min.4. Utilizirovat spin-kolonki.Optsionalno: dlya povysheniya vykhoda NA filtrat mozhno povtorno nanesti na membranu kolonki i/ili ispolzovat nagretyy do 60-70℃ elyuiruyushchiy bufer.Poluchennye rastvory nucleic acids can be stored do 7 dney pri temperature ot +2℃ do +4℃ i do dvukh let pri temperature -20℃. Po absorbance ratio na A260/A280 purity of the resulting solution DNA corresponds to ≥1,7.
return to product catalog