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Quality
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• fully deprotected and desalted, purified by PAGE or RP-HPLC on request
• it is highly recommended to use purified RNA for oligos > 30 mers.
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Form
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• RNA and 2' O-Methyl mixed oligos are sent dry
• Quantity (OD and nmoles) and concentration (µM and µg/µl)
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Quality Controls
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See information on our oligos: strict quality controls
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Guarantee
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Guaranteed sequence, quality and quantity
Please see yield table above for guaranteed minimum yields
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Documentation
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All Oligos are delivered with an Oligonucleotide Technical Data Sheet that can also be sent through e-mail
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Additional Services
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• Aliquoting
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Synthesis Time
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• 6 days for standard RNA
• 7 days for standard or PAGE purified mixed oligos
• 10 days for RP-HPLC purified oligos
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Storage
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Although oligonucleotides are stable at 4°C for up to 2 weeks, Sigma recommends storing at -20°C. Repetitive freeze-thaw cycles should be avoided by storing as aliquots. For long-term storage, RNA oligos should be dried.
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