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Mobility and molecular orientation of vitamin E in liposomal membranes as determined by 19F NMR and fluorescence polarization techniques

Autor: I. Kumadaki, M. Koyama, I. Uemura, M. Matsuo, Shiro Urano, Kenji Fukuzawa, T. Sakanaka

Publikováno v: Archives of biochemistry and biophysics. 303(1)

To elucidate the molecular orientation and mobility of alpha-tocopherol (vitamin E) in membranes, 19F nuclear magnetic resonance (NMR) was applied. In bilayer phosphatidylcholine (PC) liposomes, 19F NMR spin-spin relaxation times (T2) of 19F-labeled

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0995825377dc3700e52d548255c82bd
https://pubmed.ncbi.nlm.nih.gov/8489254

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Studies on Tertiary Amine Oxides. XL. Reactions of Aromatic N-Oxides with Oxindoles in the Presence of Acylating Agents

Autor: Masatomo Hamana, I. Kumadaki

Publikováno v: Chemical and Pharmaceutical Bulletin. 18:1822-1830

1-Methyloxindole (II) reacted as an active methylene compound with acyl-adducts of quinoline 1-oxides (I, IX and VIII), forming 1-methyl-3-(2- or 4-quinolyl)oxindoles (III, XV or XI). The reaction with I in the presence of acetic anhydride or benzoyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe5ea7d8a18d1b8477421e44b5b6af26
https://doi.org/10.1248/cpb.18.1822

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