| 兰州大气飘尘萃取物的电子自旋共振信号及对细胞DNA的损伤 |
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| 引用本文： | 胡虎平,郑荣梁,王肖萱. 兰州大气飘尘萃取物的电子自旋共振信号及对细胞DNA的损伤[J]. 环境科学学报, 1988, 8(2): 232-235 |
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| 作者姓名： | 胡虎平 郑荣梁 王肖萱 |
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| 作者单位： | 兰州大学生物系(胡虎平，郑荣梁)，兰州大学生物系(王肖萱) |
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| 基金项目： | 城乡建设环境保护部，甘肃省科委的资助 |
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| 摘 要： | 兰州市是我国化学工业中心之一,大气污染十分严重,空气中含多种致癌物质。据报道,该市大气飘尘中含有大量稳定性自由基物质,其与人类疾病密切相关。研究飘尘吸附的自由基物质及其危害很重要,但国内对此研究极少。Lyons等人首先观察到大气飘尘具有电子顺磁共振(ESR)信号,并用苯萃取得到具有信号的物质,推测信号中可能
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| 关 键 词： | 飘尘 自由基 DNA损伤 致癌作用 |
| 收稿时间： | 1987-03-24 |
ELECTRON SPIN RESONANCE OF AND CELL DNA DAMAGE BY AIR DUST IN LANZHOU |
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| Hu Huping,Zheng Rongliang and Wang Xiaoxuan. ELECTRON SPIN RESONANCE OF AND CELL DNA DAMAGE BY AIR DUST IN LANZHOU[J]. Acta Scientiae Circumstantiae, 1988, 8(2): 232-235 |
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| Authors: | Hu Huping Zheng Rongliang Wang Xiaoxuan |
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| Affiliation: | Department of Biology, Lamhou University,Department of Biology, Lamhou University and Department of Biology, Lamhou University |
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| Abstract: | Both the air dust itself from Lanzhou and the dust extract by a mixture of benzene, hexane and isopropanol (7:2:1) contain electron spin resonance signals, which are partly due to the presence of transit metal ion Mn and are probably partly due to the contrib ution of a free radical. The extract of the dust can damage cell DNA templet, revealing that there are some mutants or carcinogens in the air dust. |
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| Keywords: | air dust free radical electron spin resonance DNA. |
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