ジャイロトロンESRによる動的核偏極法の技術開発

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Author: 戸田, 充ほか

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Publication date: 2007-07

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Note (General)：: The main purpose of our research is to develop the tera-hertz wave technique of DNP(Dynamical Nuclear Polarization)-NMR for the protein structural ana...

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Material Type: 文書・図像類
Title: ジャイロトロンESRによる動的核偏極法の技術開発
Author/Editor: 戸田, 充
藤井, 裕
印牧, 知廣
光藤, 誠太郎
小川, 勇
出原, 敏孝
斉藤, 輝雄
伊藤, 秀忠
千葉, 明朗
Author Heading: 戸田, 充
藤井, 裕
印牧, 知廣
光藤, 誠太郎
小川, 勇
出原, 敏孝
斉藤, 輝雄
伊藤, 秀忠
千葉, 明朗
Publication Date: 2007-07
Publication Date (W3CDTF): 2007-07
Alternative Title: Technology Development of Dynamical Nuclear Polarization by Gyrotron ESR
Periodical title: 遠赤外領域開発研究
No. or year of volume/issue: 8
Volume: 8
Pages: 165-179
Text Language Code: jpn
Target Audience: 一般
Note (General): The main purpose of our research is to develop the tera-hertz wave technique of DNP(Dynamical Nuclear Polarization)-NMR for the protein structural analysis. For such purpose, we have developed two DNP systems (only at room temperature); one is an X-band system with a YIG oscillator and a TWTA, and the other is a tera-hertz wave system with a gyrotron. At first, we have demonstrated the 1H-DNP experiments on BDPA-doped toluene solution at 11.4 GHz ESR frequency. Increase of the signal intensity of 1H-NMR (about 20 times at maximum) has been observed when the microwave was irradiated to the sample effectively by the sample-shuttle system. The tera-hertz wave experiments have been also performed with a gyrotron CW-1, however, we could not avoid increase of the sample temperature, and the DNP effect was not confirmed. We are now looking for the solution to avoid the increase of sample temperature while the high power microwave is irradiated.
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ