1. Make a solution of 60 mM TCEP. (18 mgs TCEP in 1 mL H2O)
2. Add 125 uL 0.1M NaHPO4, 0.15M NaCl, pH 7.26, vortex & make certain oligo is in solution.
3. Add 75 uL 60 mM TCEP to oligo solution.
4. Vortex.
5. Let sit for 2 hrs at room temperature.
6. Run size exclusion column, RP-HPLC.
