Dosimetry of 12C Ion Radiation
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摘要: 研究了L-α-丙氨酸剂量计测量^12C离子辐射的剂量学特性，实验证明丙氨酸剂量计适用于^12C离子辐射的剂量学测量。另外，还研究了^12C离子照射人外周血诱发的染色体畸变（双着丝粒＋着丝粒环）的剂量效应，在0-8．0Gy范围内拟合的最佳回归方程为Y=0．858503D＋0．3615×10^-2D^2。Dosimetric characteristics of L-α-alanine dosemeter used for dosimetry of ^12C ion radiation have been studied. The experimental results indicate that the alanine dosemeter can be used to measure the ^12C ion radiation. In addition, dose effects of chromosome aberration dicentrics and cenric rings were studied after human peripheral blood being irradiated by ^12C ions; the best regression equation, Y = 0. 858 503D ＋ 0. 361 5 ×10^-2D^2, was obtained within 8.0 Gy.Abstract: Dosimetric characteristics of L-α-alanine dosemeter used for dosimetry of ^12C ion radiation have been studied. The experimental results indicate that the alanine dosemeter can be used to measure the ^12C ion radiation. In addition, dose effects of chromosome aberration dicentrics and cenric rings were studied after human peripheral blood being irradiated by ^12C ions; the best regression equation, Y = 0. 858 503D ＋ 0. 361 5 ×10^-2D^2, was obtained within 8.0 Gy.
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Key words:
- 12C ion /
- alanine dosemeter /
- human peripheral blood /
- chromosome aberration
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