Abstract
Mössbauer spectra were measured on the heme complexes of poly(1-vinyl- and 1-vinyl-2-methylimidazole) (PVI and PMI) and heme derivatives with covalently bound imidazole-ligand (IH) and 2-methylimidazole-ligand (MIH) embedded in poly(1-vinyl-2-pyrrolidone) film. Quadrupole splitting (ΔEQ) for the carbon monoxide adduct of PMI–heme indicated large electronic field gradient at the iron nucleus, probably due to steric hindrance of the polymer chain, and this behavior agreed with its low affinity with carbon monoxide. PMI–heme formed an oxygen adduct and its isomer shift and ΔEQ values were obtained.
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Tsuchida, E., Nishide, H., Yokoyama, H. et al. Mössbauer Spectroscopic Study of Polymer-Bound Heme Complexes. Polym J 16, 325–331 (1984). https://doi.org/10.1295/polymj.16.325
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DOI: https://doi.org/10.1295/polymj.16.325
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