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Investigation of elemental distribution in human femoral head by PIXE and SRXRF microprobe
Zhang, YX; Wang, YS; Zhang, YP; Zhang, GL; Huang, YY; He, W; Huang YY(黄宇营); He W(何伟)
2007
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
卷号260期号:1页码:178-183
通讯作者Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
摘要In order to study the distribution and possible degenerative processes inducing the loss of inorganic substances in bone and to provide a scientific basis for the prevention and therapy of osteoporosis, proton induced X-ray emission (PIXE) method is used for the determination of elemental concentrations in femoral heads from five autopsies and seven patients with femoral neck fractures. Synchrotron radiation X-ray fluorescence (SRXRF) microprobe analysis technique is used to scan a slice of the femoral head from its periphery to its center, via cartilage, compact and spongy zones. The specimen preparation and experiment procedure are described in detail. The results show that the concentrations of P, Ca, Fe, Cu, Sr in the control group are higher than those in the patient group, but the concentrations of S, K, Zn, Mn are not significantly different. The quantitative results of elemental distribution, such as Ca, P, K, Fe, Zn, Sr and Pb in bone slice tissue including cartilage, substantial compact and substantial spongy, are investigated. The data obtained show that the concentrations of Ca, P, K, (the major elements of bone composition), are obviously low in both spongy and cartilage zones in the patient group, but there are no remarkable differences in the compact zone. Combined with the correlations between P, K, Zn, Sr and Ca, the loss mechanism of minerals and the physiological functions of some metal elements in bone are also discussed. (c) 2007 Elsevier B.V. All rights reserved.
文章类型Article; Proceedings Paper
关键词PIXE SRXRF inorganic elements bone slice osteoporosis
学科领域Instruments & Instrumentation; Nuclear Science & Technology; Physics
研究领域[WOS]Instruments & Instrumentation ; Nuclear Science & Technology ; Physics
DOI10.1016/j.nimb.2007.02.013
URL查看原文
语种英语
WOS类目Instruments & Instrumentation ; Nuclear Science & Technology ; Physics, Atomic, Molecular & Chemical ; Physics, Nuclear
WOS记录号WOS:000248264900035
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被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/236844
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Zhang, YX,Wang, YS,Zhang, YP,et al. Investigation of elemental distribution in human femoral head by PIXE and SRXRF microprobe[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2007,260(1):178-183.
APA Zhang, YX.,Wang, YS.,Zhang, YP.,Zhang, GL.,Huang, YY.,...&何伟.(2007).Investigation of elemental distribution in human femoral head by PIXE and SRXRF microprobe.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,260(1),178-183.
MLA Zhang, YX,et al."Investigation of elemental distribution in human femoral head by PIXE and SRXRF microprobe".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 260.1(2007):178-183.
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