How are RNA oligos and siRNA duplexes shipped?
All oligonucleotides, whether single-stranded or duplexed, are provided as dried pellets and are shipped at room temperature in an inert chemical matrix that inactivates trace RNase in the liquid phase, providing an added level of RNA stability during sample handling, with or without ice. RNA integrity is been preserved by protecting samples from hydrolysis and oxidation and imparts thermal stability at temperatures ranging from -80°C to 76°C/169°F, enabling ambient temperature storage and stransport of RNA. While these lyophilized samples are stable at room temperature for 2-4 weeks, they should be placed at -20°C or -70°C upon receipt.
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02/02/2008