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How should I store my HDR DNA oligo?
DNA oligonucleotides should be stored at -20 °C or -80 °C in a non-frost free freezer, either as a dried pellet or resuspended in an DNase-free solution buffered to pH ~ 7.4 to help with stability during freeze-thaw cycles. We recommend that DNA oligonucleotides be resuspended to a convenient stock concentration and stored in small aliquots to avoid multiple freeze-thaw cycles.