12C6＋离子辐照人胃癌细胞系BGC823的氧效应研究
Oxygen Effect in 12C6＋ Irradiation of BGC823 Cells
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摘要: 氧效应; 碳离子; 人胃癌细胞系BGC823 ;兰州重离子加速器Abstract: Gastric tumour BGC823 cells cultured in natural and rich oxygenic（95 %O2＋5% CO2 ）environment are irradiated with energy of 20 MeV/u ^12C^6＋ ions at HIRFL. Average OER≈1 is deduced from survival curves for cells in natural and rich oxygenic environment. This relatively low OER value indicates that medium energy carbon ions are suitable for the cancerous therapy.
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