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33 results on '"Zhang, Guilin"'

6. Dust storms in northern China during the last 500 years

Author

Zhang, Shuang, primary, Xu, Hai, additional, Lan, Jianghu, additional, Goldsmith, Yonaton, additional, Torfstein, Adi, additional, Zhang, Guilin, additional, Zhang, Jin, additional, Song, Yunping, additional, Zhou, Kang’en, additional, Tan, Liangcheng, additional, Xu, Sheng, additional, Xu, Xiaomei, additional, and Enzel, Yehouda, additional

Published
2021
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11. Zinc distribution in mouse brain by SRXRF

Author

Li Delu, Zhang Yong-Ping, He Wei, Shen Hui, Huang Yuying, Zhang Guilin, Zhang Yuanxun, and Long Jiangang

Subjects
Messenger ribonucleic acid, Messenger RNA, Health, Toxicology and Mutagenesis, Mrna expression, Public Health, Environmental and Occupational Health, Hippocampus, chemistry.chemical_element, Zinc, Pollution, Synaptic vesicle, Molecular biology, Analytical Chemistry, Cell biology, medicine.anatomical_structure, Nuclear Energy and Engineering, chemistry, Cerebral cortex, medicine, Distribution (pharmacology), Radiology, Nuclear Medicine and imaging, Spectroscopy
Abstract

In order to explore the interaction between the expression of ZnT3 (Zinc Transporter 3) mRNA (Messenger Ribonucleic Acid) and the concentration of elemental zinc in mouse brain, zinc distribution in brain was determined by synchrotron radiation X-ray fluorescence (SRXRF) technique and a ZnT3 mRNA expression in tissue was examined by the reverse-transcriptase polymerase chain reaction (RT-PCR) method.The results show that the zinc concentration is not evenly distributed in brain slices. Its concentrations in cerebral cortex and hippocampus are nearly 5-10 times higher than those in other positions. A corresponding relation is that ZnT3 mRNA in cerebral cortex, hippocampus and testis has higher abundant degree, but it is not examined out in other tissues. Furthermore, the results promote that ZnT3 facilitates the accumulation of zinc in synaptic vesicles and may play an important role in structuring of vesicular zinc pool.

Published
2006

12. [Untitled]

Author

Wang Changwan, Li Yan, Lin Erhkang, Wang Yinsong, Zhang Guilin, Li Deyi, Zhang Yuanxun, Shen Waiguo, Yu Yuehchung, and Zhi Min

Subjects
Health, Toxicology and Mutagenesis, Spring season, Public Health, Environmental and Occupational Health, Sediment, Tandem accelerator, Contamination, Pollution, River water, High tide, Analytical Chemistry, Nuclear Energy and Engineering, Elemental analysis, Environmental chemistry, Radiology, Nuclear Medicine and imaging, Spectroscopy
Abstract

In order to evaluate the evolution of contamination we collected river water and sediment samples in the every spring season since 1998. The elemental analysis of water and sediment samples was performed by PIXE using the 3X2 MeV NEC Tandem accelerator at the Taipei Institute of Physics. The characterization of alpha- and beta-radioactive levels for water and sediment samples was performed by a BH1216, low background radioactivity instrument at the Shanghai Institute of Nuclear Research. The PIXE results showed that the elemental contents of Cl, K, Ca, Cr, Mn, Fe, Zn and Pb in river water gradually decreased with the rising tide. At high tide, their concentrations were minimum and then increased toward the ebb tide. The analysis also demonstrated that the radioactivity of water samples had been gradually decreasing year by year. It was found that the decreasing rate of alpha-radioactivity was a little quicker than that of beta-radioactivity. Further aspects of environmental data evaluation and assessment are also discussed.

Published
2003

13. Synchrotron radiation XRF microprobe investigation of elemental distribution in femoral head slice with osteoporosis

Author

Li Deyi, XU Hongjie, Wang Yinsong, Liao Wensheng, Tang Tingting, He Wei, Cheng Feng, Huang Yuying, Zhang Yuanxun, and Zhang Guilin

Subjects
Microprobe, Multidisciplinary, Chemistry, Osteoporosis, Analytical chemistry, Synchrotron radiation, medicine.disease, Femoral head, medicine.anatomical_structure, medicine, Elemental distribution, Wafer, Sample preparation, Tomography
Abstract

This note deals with the scanning of femoral head slices from both normal and osteoporosis subjects using synchrotron radiation X-ray fluorescence (SRXRF) microprobe technique. The sample preparation and experimental apparatus are described in detail. The quantitative computerized tomography (QCT) of elemental distribution, such as Ca, P, K, Fe, Zn, Sr and Pb in bone slice tissue including cartilage, substantial compact and substantial spongy, is investigated. Combined with the correlation between P, K, Zn, Sr and Ca, the loss way of minerals and the physiological functions of some metal elements in bone are also discussed.

Published
2001

15. Determination of inorganic elements in iliac crests of rabbits by NAA

Author

Zhuang Guisun, Zhang Yuanxun, Li Deyi, Xia Jun, Zhang Guilin, and Wang Zhixing

Subjects
medicine.medical_specialty, Magnesium, Health, Toxicology and Mutagenesis, Osteoporosis, Public Health, Environmental and Occupational Health, chemistry.chemical_element, Mineralogy, medicine.disease, Pollution, Iliac crest, Analytical Chemistry, Resorption, medicine.anatomical_structure, Endocrinology, Nuclear Energy and Engineering, chemistry, Internal medicine, medicine, Radiology, Nuclear Medicine and imaging, Bone formation, Neutron activation analysis, Spectroscopy, Biochemical markers
Abstract

This paper deals with the osteoporosis model of New Zealand rabbits in order to study the function of inorganic elements for women patients with osteoporosis. The thirty cases of iliac crest are collected and determined using neutron activation analysis (NAA). The results show that the fluorine concentrations in the experimental group are higher than those in control group and the magnesium concentrations are significantly lower (P

Published
1999

19. Erratum to: Detecting small lung tumors in mouse models by refractive-index microradiology

Author

Chien, Chia-Chi, primary, Zhang, Guilin, additional, Hwu, Yeukuang, additional, Liu, Ping, additional, Yue, Weisheng, additional, Sun, Jianqi, additional, Li, Yan, additional, Xu, Hongjie, additional, Xu, Lisa X., additional, Wang, Chang Hai, additional, Chen, Nanyow, additional, Lu, Chien Hung, additional, Lee, Ting-Kuo, additional, Yang, Yuh-Cheng, additional, Lu, Yen-Ta, additional, Ching, Yu-Tai, additional, Shih, T. F., additional, Yang, P. C., additional, Je, J. H., additional, and Margaritondo, Giorgio, additional

Published
2011
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20. Detecting small lung tumors in mouse models by refractive-index microradiology

Author

Chien, Chia-Chi, primary, Zhang, Guilin, additional, Hwu, Y., additional, Liu, Ping, additional, Yue, Weisheng, additional, Sun, Jianqi, additional, Li, Yan, additional, Xue, Hongjie, additional, Xu, Lisa X., additional, Wang, Chang Hai, additional, Chen, Nanyow, additional, Lu, Chien Hung, additional, Lee, Ting-Kuo, additional, Yang, Yuh-Cheng, additional, Lu, Yen-Ta, additional, Ching, Yu-Tai, additional, Shih, T. F., additional, Yang, P. C., additional, Je, J. H., additional, and Margaritondo, G., additional

Published
2011
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32. The effects of ?-irradiation on Ti-Ni shape-memory alloy

Author

Hu Wen-Xiang, Zhang Yi-Ping, Wang Jing-cheng, Liu Wenhong, Yu Fang-Hua, Xu Feng, Shao Zi-chang, and Zhang Guilin

Subjects
6111 aluminium alloy, Crystallography, Materials science, Diffusionless transformation, Metallurgy, 5052 aluminium alloy, 6063 aluminium alloy, General Materials Science, Irradiation, Shape-memory alloy, 5005 aluminium alloy, Microstructure
Published
1992

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