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µg/OD260

The amount of oligonucleotide in micrograms that, when dissolved in mL volume, results in 1 unit of absorbance at 260 nm with a standard 1 cm path-length cuvette. µg/OD260 is derived using molecular weight and nmole/OD260 values:

µg/OD260 = nmole/OD260 * molecular weight (g/mol) * 10-3

The definition of OD260 can be found within the nmole/OD260.