X-Ray Photoelectron Spectroscopy (XPS) of Bacteriorhodopsin Anaiogues Synthesixed from Fluorophenyl Retinals
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概要
- 論文の詳細を見る
The two external point-charge (TEPC) model for bacteriorhodopsin (bR) hasbeen examined by X-ray photoelectron spectroscopy (XPS) and CNDO/S mo-lecular orbital calculations. A main concern was given to a point charge near the/7-ionone ring. XPS measurements were carried out on fluorophenyl retinal (F-ret)and their derivatives (Schiff base, protonated Schiff base and bacteriorhodopsinanalogues (F-bR)), paying close attention to the chemical shift of the F 1.5 corelevel. No meaningful differences were observed among these species althoughnumerical calculations on an assumption of the TEPC model have predicted thechemical shift of about 3 eV between F-ret and F-bR. This fact has arisen aserious question to the validity of the TEPC model. The same conclusion hasbeen reached by the present study of absorption maxima of F-rot and their deriva-tives.
- 社団法人日本物理学会の論文
- 1984-04-15
著者
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TAKAHASHI Takashi
Department of General Medicine, Kanazawa Medical University
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SAGAWA Takasi
Department of Physics,Tohoku University
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Tokunaga Fumio
Department of Space and Earth Science, Graduate School of Science, Osaka University
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Tsujimoto Kazuo
Department Of Materials Science University Of Electro-communications
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Tsujimoto Kazuo
Department Of Materials Science The University Of Electro-communications
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MURANO Kentaro
National Institute for Environmental Studies
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Takahashi Masae
Department Of Materials Science Faculty Of Engineering Tottori University
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Sagawa Takasi
Department Of Physics Faculty Of Science Tohoku University
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Tokunaga F
Graduate School Of Science Osaka Univ.
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Tokunaga Fumio
Jst-crest Dept. Of Earth And Space Sci. Osaka Univ.
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Tokunaga Fumio
Department Of Biology Graduate School Of Science Osaka Univercity:japan Science And Technology Agenc
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Takahashi Takashi
Department Of Applied Chemistry Tokyo Institute Of Technology
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Takahashi Masae
Department Of Dermatology Kinki University School Of Medicine
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Sagawa Takasi
Department Of Physics Faculty Of Sciences Tohoku University
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Takahashi Takashi
Department Of Applied Chemistry Graduate School Of Science And Engineering Tokyo Institute Of Techno
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SAGAWA Takasi
Department of Physics,Faculty of Science Tohoku University
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TOKUNAGA Fumio
Department of Physics,Faculty of Science,Tohoku University
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