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题名:
ANSWERS TO IF THE LEAD APRONS ARE REALLY HELPFUL IN NUCLEAR MEDICINE FROM THE PERSPECTIVE OF SPECTROSCOPY
作者: He, X; Zhao, R; Rong, L; Yao, K; Chen, S; Wei, B
刊名: RADIATION PROTECTION DOSIMETRY
出版日期: 2017
卷号: 174, 期号:4, 页码:558-564
DOI: 10.1093/rpd/ncw255
文章类型: 期刊论文
英文摘要: Wearing lead X-ray-protective aprons is a routine in nuclear medicine department in parts of China. However, the staff are often perplexed by questions such as if it is imperative to wear aprons when injecting radioactive drugs, how much radiation dosage can be shielded and if the apron will produce secondary radiation instead? To answer these questions, a semiconductor detector was employed to record different gamma and X-ray spectra with and without the lead apron or lead sheet. Then, we could estimate the signal shielding ratio to different photons for the lead apron and compare with the hospitals measured data. In general, the two results coincided well. The spectral results showed that the detrimental secondary X-rays irradiation rises when the energy of gamma rays exceeds the K absorption edge of lead (88 keV). Moreover, the aprons are not so effective for gamma rays of 364 keV emitted from I-131 and 511 keV emitted from the positron radioactive nuclides. This work is purely a physical measurement in the laboratory. To the best of our knowledge, this is the first quantitative study on the level of gamma rays protection offered by the medical lead aprons and the importance of the spectroscopic measurements is discussed in this paper.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000402052400016
ISSN号: 0144-8420
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27257
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
He, X,Zhao, R,Rong, L,et al. ANSWERS TO IF THE LEAD APRONS ARE REALLY HELPFUL IN NUCLEAR MEDICINE FROM THE PERSPECTIVE OF SPECTROSCOPY[J]. RADIATION PROTECTION DOSIMETRY,2017-01-01,174(4):558-564.
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文件名: ANSWERS TO IF THE LEAD APRONS ARE REALLY HELPFUL IN NUCLEAR MEDICINE FROM THE PERSPECTIVE OF SPECTROSCOPY.pdf
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