TCO-PEG5, a trans-cyclooctene amine reactive reagent which containing hydrophilic polyethylene gylcol (PEG) spacer arm can be conjugate to an oligonucleotide containing primary amine using NHS ester chemistry. TCO-PEG4 modified oligo can be place at any position within an oligonucleotide to be used in click chemistry application.
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-20°C To -70°C Oligonucleotides are stable in solution at 4°C for up to 2 weeks. Properly reconstituted material stored at -20°C should be stable for at least 6 months. Dried DNA (when kept at -20°C) in a nuclease-free environment should be stable for years.
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