- Loading buffer: 80% Acetonitrile, 5% TFA and 1 M Glycolic acid (76 mg/mL) - Washing buffer 1: 80% Acetonitrile, 1% TFA
- Washing buffer 2: 20% Acetonitrile, 0.2% TFA
- Elution buffer: 40 μL Ammonia solution (28%) in 980 μL H2O, pH 11,3
- Titanium Dioxide (TiO2) beads, e.g. GL Sciences catalog # GL-5010-21315