The infrared spectrum of dioxygen bound to the synthetic porphinatoiron in an aqueous medium.
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概要
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A highly concentrated aqueous solution of heme ([heme]=25 mM) was prepared by embedding the 5,10,15,20-tetrakis(α,α,α,α-<I>o</I>-(2′,2′-dimethyl-20′-(2″-trimethylammonio)ethylphosphonatoxy)eicosanamido)phenyl)porphinatoiron(II) complex of 1-dodecylimidazole in bilayer of polymerized 1,2-bis(2,4-octadecadienoyl)-<I>sn</I>-glycero-3-phosphocholine liposome (poly-lipid liposome/heme). The dioxygen-binding mode of the poly-lipid liposome/oxyheme in the aqueous medium was then measured by means of infrared difference spectroscopy: The ν<SUB>o–o</SUB> value at 1161 cm<SUP>−1</SUP> was found to correspond to those of the oxy picket-fence heme in Nujol mulls, oxy myoglobin, and oxy hemoglobin in an aqueous medium.
- 公益社団法人 日本化学会の論文
著者
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Yamamoto Kimiko
Department Of Biomedical Engineering Graduate School Of Medicine University Of Tokyo
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Nishide Hiroyuki
Department Of Applied Chemistry Waseda University
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Tsuchida Eishun
Department Of Applied Chemistry Waseda University
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YUASA Makoto
Department of Industrial Chemistry, Faculty of Science and Technology, Science University of Tokyo
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Yamamoto Kimiko
Department of Polymer Chemistry, Waseda University
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