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. Author manuscript; available in PMC: 2021 Aug 17.
Published in final edited form as: Inorg Chem. 2020 Jul 30;59(16):11377–11384. doi: 10.1021/acs.inorgchem.0c01120

Figure 2.

Figure 2.

Optical absorption changes observed during the conversion of AH1 (15 μM, magenta trace) to the iron complex (red trace) in a buffered aqueous solution (10 mM HEPES, pH 7.4). Each addition corresponded to 0.1 equiv Fe(II), and saturation was reached at approximately 0.5 equiv.