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. 2023 May 5;4(2):102326. doi: 10.1016/j.xpro.2023.102326

Loading / Washing Buffer at pH 8.0 (for immobilized metal affinity chromatography, IMAC)

Reagent Final concentration Amount for 1 L
Tris-HCl 20 mM 2.42 g
NaCl 300 mM 17.53 g
Imidazole 10 mM 0.68 g
Dithiothreitol (DTT) 1 M 1 mM 1 mL

Prepare 1 L, adjust to pH 8.0, and store at room temperature (20–25 °C) for up to three days. Pass through 0.22 μm filter and degas before use