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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Oxygen-17 ： ウィキペディア英語版 Oxygen-17 Oxygen-17 is a low abundant isotope of oxygen (0.0373% in seawater; approx. twice as abundant as Deuterium). Being the only stable isotope of oxygen possessing a nuclear spin(+5/2) and a favorable characteristic of field-independent relaxation in liquid water, this enables NMR studies of oxidative metabolic pathways through compounds containing 17O at high magnetic fields (i.e. metabolically produced H217O water by oxidative phosphorylation in mitochondria). == History == The isotope was first hypothesized and subsequently imaged by Patrick Blackett in Rutherford's lab 1924: ' It was a product out of the first man-made transmutation of 14N and 4He2+ conducted by Frederick Soddy and Ernest Rutherford in 1917-1919. Finally its natural abundance in earth atmosphere was detected in 1929 by Giauque and Johnson in absorption spectra. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Oxygen-17」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.