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Synthesized DNA by HSS are lyophilized with few
exemptions. It is to avoid synthesized DNA's decomposition during
transportation by temperature change as much as possible. Products
delivered as liquid will be shipped by fridged transportation
with cold insulaters.
When you receive the lyophilized products, it can be kept dried
for a few days but storage in freezer under -20 degrees is recommended.
Once it is dessolved into sterile ionic water or buffer, oligo
may be damaged by repeating of freezing & melting, which
in worst case results in decomposition. To avoid this, storage
in divided portion is recommended, which may also eliminate
the contamination damage. After dividing, storage in freezer
under -20 degrees is recommended. |