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35 results on '"Wu, Jin-Jie"'

3. Simulation and measurement of X-ray scattered radiation in radiodiagnosis

Author

Tang Xian Qiang, Zhao Rui, Zhu Feng Wei, Guo Bin, Qin Feng, Liu BO., and Wu Jin Jie

Subjects
radiodiagnostic x-ray, scattered radiation, monte carlo, energy spectra, radiation exposure, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract

This work aims to measure the scattered radiation energy spectrum and radiation dose at different positions during radiological diagnosis through the Monte Carlo simulation and experiment. The results show that the average energy of the scattered radiation energy spectrum increases with the increase of the tube voltage and decreases with the increase of the scattering angle, but it changes very little with the measuring distance. It is not unified for the scattered radiation distribution in the space around the water phantom at the same tube voltage, and the exposure to scattered radiation is greater on the side closer to the water phantom or the X-ray tube. This indicates that the radiation exposure is not unified for medical staff in the scattered radiation field. The scattering energy spectrum and dose distribution are helpful to evaluate the scattered radiation exposure and enhance the self-protection awareness of medical staff in practice.

Published
2023
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5. Study on temperature coefficient of CdTe detector used for X-rays detection

Author

Guo, Si-Ming, Wu, Jin-Jie, Zhang, Jian, Li, Xu-Fang, Liu, Cong-Zhan, Zhang, Shuai, Li, Cheng-Ze, Huo, Bin-Bin, and Liao, Zhen-Yu

Subjects
Physics - Instrumentation and Detectors
Abstract

The temperature of the working environment is a key factor in determining the properties of semiconductor detectors, and it affects the absolute accuracy and stability of the standard detector. In order to determine the temperature coefficient of CdTe detector used for X-rays detection, a precise temperature control system was designed. In this experiment, detectors and radiographic source were set inside the thermostat with temperature of 0-40 Celsius degree, so that the temperature can be regulated for the test of the temperature coefficient of CdTe detector. Studies had shown that, with the increase of the temperature, the energy resolution and detection efficiency of the CdTe detector would deteriorate, and under 10 Celsius degree the detectors have better performance with the 8 keV X-rays., Comment: 8 pages, 7 figures

Published
2016

13. Associations Between Gut Microbiota and Asthma Endotypes: A Cross-Sectional Study in South China Based on Patients with Newly Diagnosed Asthma

Author

Zou,Xiao-Ling, Wu,Jin-Jie, Ye,Hui-Xia, Feng,Ding-Yun, Meng,Ping, Yang,Hai-Ling, Wu,Wen-Bin, Li,Hong-Tao, He,Zhen, Zhang,Tian-Tuo, Zou,Xiao-Ling, Wu,Jin-Jie, Ye,Hui-Xia, Feng,Ding-Yun, Meng,Ping, Yang,Hai-Ling, Wu,Wen-Bin, Li,Hong-Tao, He,Zhen, and Zhang,Tian-Tuo

Abstract

Xiao-Ling Zou,1,* Jin-Jie Wu,2,* Hui-Xia Ye,3,* Ding-Yun Feng,1,* Ping Meng,1 Hai-Ling Yang,1 Wen-Bin Wu,1 Hong-Tao Li,1 Zhen He,2 Tian-Tuo Zhang1 1Department of Pulmonary and Critical Care Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Institute of Respiratory Diseases of Sun Yat-sen University, Guangzhou, People’s Republic of China; 2Department of Colorectal Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, People’s Republic of China; 3Department of Gynecology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, People’s Republic of China*These authors contributed equally to this workCorrespondence: Tian-Tuo ZhangDepartment of Pulmonary and Critical Care Medicine, The Third Affiliated Hospital of Sun Yat-sen University, Institute of Respiratory Diseases of Sun Yat-sen University, 600 Tianhe Road, Guangzhou, 510630, People’s Republic of ChinaEmail zhtituli@163.comZhen HeDepartment of Colorectal Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510655, Guangdong, People’s Republic of ChinaEmail hezh5@mail.sysu.edu.cnObjective: This study aimed to investigate the gut microbiome profile in different inflammatory phenotypes of treatment-naive newly diagnosed asthmatic adults, to gain insight on the associations between intestinal microbiota and phenotypic features that characterize asthma heterogeneity to develop new treatments for asthma.Methods: Fresh stool samples were obtained from 20 healthy subjects and 47 newly diagnosed asthmatic patients prior to any interventions. The asthmatics were divided into allergic and non-allergic cohorts. Intestinal microbiota was analyzed by 16S rRNA next-generation sequencing. Demographic and clinical parameters were collected. Alpha and beta diversity analysis were calculated to detect differences within sample phylotype richness and evenness between controls and asthmatic patients. Statistica

Published
2021

15. Strategies and recommendations for the management of gastrointestinal surgery during the COVID-19 pandemic: experience shared by Chinese surgeons

Author

Ke, Jia, primary, Lan, Nan, primary, Wang, Ting, primary, Wu, Jin-Jie, primary, He, Zhen, primary, He, Xiao-Sheng, primary, Tao, Kai-Xiong, primary, Qian, Qun, primary, Zhou, Ping-Hong, primary, Li, Guo-Xin, primary, Zheng, Min-Hua, primary, Zhang, Zhong-Tao, primary, Ji, Jia-Fu, primary, and Lan, Ping, primary

Published
2020
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21. Study of a nTHGEM-based thermal neutron detector

Author

Li, Ke, primary, Zhou, Jian-Rong, additional, Wang, Xiao-Dong, additional, Xiong, Tao, additional, Zhang, Ying, additional, Xie, Yu-Guang, additional, Zhou, Liang, additional, Xu, Hong, additional, Yang, Gui-An, additional, Wang, Yan-Feng, additional, Wang, Yan, additional, Wu, Jin-Jie, additional, Sun, Zhi-Jia, additional, and Hu, Bi-Tao, additional

Published
2016
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26. A sensitive immunochromatographic assay using colloidal gold–antibody probe for rapid detection of fumonisin B 1 in corn.

Author

Wang, Xi-Chun, Fan, Hai-Xin, Fan, Meng-Xue, Li, Fu-Hui, Feng, Shi-Bin, Li, Jin-Chun, Wu, Jin-Jie, Li, Yu, and Wang, Jia-Sheng

Subjects
COLLOIDAL gold, COLLOIDS, IMMUNOGOLD labeling, MONOCLONAL antibody probes, FUMONISINS
Abstract

A sensitive immunochromatographic assay (ICA) using a colloidal gold–antibody probe for the rapid detection of fumonisin B1 (FB1) in corn samples was developed. The colour density of the test line correlated with the concentration of FB1 in the range 2–40 ng ml–1 by the assay, and the detection limit for FB1 was 2 ng ml–1. The linear range for FB1 was 50–1000 µg kg–1, and the visual limit detection of the test was 1000 µg kg–1 in corn samples. The ICA to detect FB1 is sensitive, specific and rapid. Specific anti-FB1 monoclonal antibody (mAb) and FB1-ovalbumin (FB1-OVA) conjugate antigen were prepared. FB1 mAb, labelled with colloidal gold, was used as the probe on the immunochromatographic strip. FB1-OVA and goat-anti-mouse IgG were coated onto a nitrocellulose (NC) membrane as test lines and control lines, respectively. FB1 in samples will competitively combines the FB1 mAb with the FB1-OVA in an NC membrane and the results are directly observed by the colour of the detection and quality control lines. The concentrations of FB1 mAb labelled with colloidal gold, detecting antigen and goat anti-mouse IgG, were optimised. The results indicate that the test strip is specific for FB1, with no cross-reactivity to other toxins. The strip assay for FB1 was simple, only needing one step without complicated assay performance and expensive equipment, and the total time for visual evaluation was less than 10 min. A survey of 24 corn samples from Hefei, China, was performed with the test strip and HPLC, and the detection results showed that the developed ICA and the HPLC were in excellent agreement. Hence, the developed ICA can be used as a method for rapid detection of FB1 in corn samples. [ABSTRACT FROM AUTHOR]

Published
2016
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29. Time calibration for the end cap TOF system of BESIII

Author

Zhao, Chuan, primary, Sun, Sheng-Sen, additional, Li, Cheng, additional, Zhang, Xiao-Jie, additional, He, Kang-Lin, additional, An, Qi, additional, Chen, Hong-Fang, additional, Dai, Hong-Liang, additional, Feng, Chang-Qing, additional, Heng, Yue-Kun, additional, Huang, Ya-Qi, additional, Huang, Yan-Ping, additional, Guo, Jian-Hua, additional, Li, Wei-Dong, additional, Li, Xiu-Rong, additional, Liu, Fang, additional, Liu, Huai-Min, additional, Liu, Shu-Bin, additional, Liu, Shu-Dong, additional, Liu, Yong, additional, Ma, Xiang, additional, Mao, Ze-Pu, additional, Shao, Ming, additional, Sun, Yong-Jie, additional, Sun, Zhi-Jia, additional, Wu, Jin-Jie, additional, Yang, Gui-An, additional, Zhao, Lei, additional, Zhu, Xing-Wang, additional, and Zuo, Jia-Xu, additional

Published
2011
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35. Effect of zinc resources and levels in diets on the contents of copper, iron , zinc in serum and tissues of weanling piglets.

Author

Ding Xiao-ling, Tang Ji-shun, Wang Xi-chun, and Wu Jin-jie

Abstract

The article presents a study on the effects of zinc and levels in diets on the contents of copper, iron, zinc in serum and tissues of weanling piglets in China. The procedure was performed through crossbred weanling piglets with 5 groups, fed with basal diet of 2,000 or 3,000 milligram/kilogram zinc. Result shows that diet with high level of zinc enhanced the zinc levels in the tissues of weanling stress piglets and reduced the copper and iron levels in some tissues of piglets.

Published
2010

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