Figure 5From: Isolation and purification of Cu-free methanobactin from Methylosinus trichosporiumOB3bFT-IR spectra. FT-IR spectra of fractions 1-4 collected during HPLC fractionation (see Figure 2) of the resin extract. Spectra were recorded in transmission mode from KBr pellets containing 0.2-0.5 mg of freeze-dried sample material.Back to article page