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The Analysis of boron micro-distribution in 9L gliosarmoma cells and HUVEC cells using PIXE and PIGE

PIXEとPIGEを用いた9L gliosarmoma細胞とHUVEC細胞内の硼素の微小分布分析

遠藤 聖*; 柴田 靖*; 山本 哲哉*; 中井 啓*; 松村 明*; 佐藤 隆博; 横山 彰人; 江夏 昌志; 大久保 猛; 山崎 明義; 石井 保行; 神谷 富裕; 石井 慶造*

Endo, Kiyoshi*; Shibata, Yasushi*; Yamamoto, Tetsuya*; Nakai, Kei*; Matsumura, Akira*; Sato, Takahiro; Yokoyama, Akihito; Koka, Masashi; Okubo, Takeru; Yamazaki, Akiyoshi; Ishii, Yasuyuki; Kamiya, Tomihiro; Ishii, Keizo*

Micro particle-induced X-ray emission (micro-PIXE) was applied to determine the inter- and intracellular distribution of boron-10 ($$^{10}$$B) in tumor cells. The peak $$^{10}$$B atom measurement was large on the measurement spectrum in comparison to the circumference background. It was possible to confirm that $$^{10}$$B atoms were measured. But, the intracellular micro-distribution of boron could not be clearly detected in this analysis. Improvements are therefore necessary in the technical methods of cell fixation, while the micro-PIXE and PIGE analyzing system also needs to be further upgraded.

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