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A Simple Acquisition of a Multi-Dimensional EPR Spectral-Spatial Image Data Using a Combination of Constant-Time and Profection-Reconstruction Modality
https://repo.qst.go.jp/records/62550
https://repo.qst.go.jp/records/625508829cffa-65ed-4656-bbb1-87bbf46f7289
Item type | 会議発表用資料 / Presentation(1) | |||||
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公開日 | 2008-05-30 | |||||
タイトル | ||||||
タイトル | A Simple Acquisition of a Multi-Dimensional EPR Spectral-Spatial Image Data Using a Combination of Constant-Time and Profection-Reconstruction Modality | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
資源タイプ | conference object | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Matsumoto, Kenichiro
× Matsumoto, Kenichiro× Anzai, Kazunori× Utsumi, Hideo× 松本 謙一郎× 安西 和紀× 内海 英雄 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Combination of constant-time spectral-spatial imaging (CTSSI) modality and projection reconstruction modality was tested to achieve simple data acquisition for multi-dimensional CW EPR spectral-spatial imaging. A phantom containing 2 mM water solutions of three different nitroxides, i.e. TEMPOL, carbamoyl-PROXYL, and carboxy-PTIO, was prepared. Several image data sets of conventional 2D EPR image modality were obtained by a conventional EPR imaging system using incrimentally rampping field gradient amplitudes. Each image data set was consisted of 18 projections. 37 data sets were obtained from -18 Gauss/cm to +18 Gauss/cm with 1 Gauss/cm steps. EPR spectral data obtained under an identical direction of field gradients were extracted from those image data sets obtained using several different amplitudes of field gradients, and then a CTSSI data set was reassembled. The process were repeated for all 18 spatial directions. Then, 2D spectral-spatial images were reconstructed by the CTSSI modality for 18 spatial directions. Extra reconstruction processes to obtain higher spatial dimensions were done by a conventional projection reconstruction modality. Finaly, a 3D spectral-spatial image was obtained. The data acquisition process for a multi-dimensional spectral-spatial imaging was simplified. Any special equipment and/or any rewriting software were required for the spectral-spatial data acquisition. This technique can be applicable to any conventional CW EPR (spatial) imaging systems to achieve a spectral-spatial imaging. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | US-JSPS EPR Core-to-Core Symposium | |||||
発表年月日 | ||||||
日付 | 2008-05-27 | |||||
日付タイプ | Issued |