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空间生物与医学工程研究所

空间生物与医学工程研究所教师简介 —— 徐 伟 教授 / 博士生导师

来源:    发布日期:2017-05-31

 

徐伟,教授/博士生导师

 

CONTACT INFORMATION(联系信息)

北京市海淀区中关村南大街5号,100081           

Email: weixu@bit.edu.cn,                                                        Tel: 13426308123

实验室主页:https://www.labxing.com/msgroup                  Research IDB-9214-2012

 

EDUCATION(教育背景)

  • PH.D. in ECE, Purdue University(普渡大学), 2005-2009

Area of research: Mass spectrometry instrumentation, multi-physics simulation.

  • M.E. in ECE, National Univ. of Singapore(新加坡国立大学), 2003-2005

Area of research: Microwave engineering.

  • B.E. in ECE, Univ. of Sci. & Tech. of China(中国科学技术大学), 1999-2003

 

工作经历

  • 2012年至今,北京理工大学,777威尼斯mg电子游戏,教授

  • 2010-2012,美国普渡大学,生物医学工程,博士后

 

RESEARCH INTERESTS(研究兴趣与成果)

谱学仪器实验室:以微型化质谱仪、结构解析质谱新技术为主要研究方向。在离子阱质谱仪的基础理论研究、交叉学科(流体力学、电磁学)大规模并行离子轨迹仿真、小型化质谱仪的研制、微流控芯片、液相离子微操仪器的研发等领域进行了深入的研究,并面向应用,着重将质谱仪器的研究与航天、反恐、生物医疗等领域的应用紧密结合。团队开发了国际上第一款小型化的电泳-质谱联用仪,发展了国际上首款小型连续大气压接口质谱仪,发展了液相离子阱、结构解析迁移电泳等技术。团队的多项专利已经实现产业化转化,产品服务于基础科研、防化反恐、海关、药物监管、电力传输、环境监测等多个领域。

 

AWARDS & HONORS(荣誉)

  • 海外高层次人才,2012

  • 北京市青年拔尖人才,2015

  • 中国分析测试协会科学技术奖,一等奖(第一完成人),2017

  • 国家科技进步二等奖,(第六完成人),2017

  • 北京理工大学杰出中青年教师,北京理工大学,2011

  • 北京理工大学,“特立青年学者”,2019

  • 国家自然科学基金委,优秀青年科学基金资助,2020

 

代表性科研项目

团队承担:国家自然科学基金委重大科学仪器专项、国家自然科学基金委优秀青年科学基金、北京市仪器培育专项、民用航天项目、科技部仪器专项、国家自然科学基金委面上项目、青年基金等项目。

 

PUBLICATIONS*通信作者)

  1. Yu Zhang, Yang Tang, Congrui Tan, Wei Xu*, “Towards nanopore electrospray mass spectrometry: nanopore effects in the analysis of bacteria”, ACS Central Science, 2020, 6, 6, 1001–1008.

  2. Jie Hong, Chenyue Hou, Zuqiang Xu, Muyi He and Wei Xu*, “A Liquid-phase Ion Trap for Ion Trapping, Transfer and Sequential Ejection in Solutions”, Analytical Chemistry, 2020, Accepted.

  3. Haimei Wu, Rongkai Zhang, Wenjing Zhang, Jie Hong, Ye Xiang* and Wei Xu*, “Rapid 3-dimensional shape determination of globular proteins by mobility capillary electrophoresis and native mass spectrometry”, Chemical Science, 2020, 11, 4758-4765.

  4. Yang Tang, Qian Xu, Dayu Li and Wei Xu*, "A mini mass spectrometer with a low noise Faraday detector", Analyst, 2020, 145, 3892 - 3898.

  5. Jie Hong, Haimei Wu, Rongkai Zhang, Muyi He,* and Wei Xu*, "The Coupling of Taylor Dispersion Analysis and Mass Spectrometry to Differentiate Protein Conformations", Analytical Chemistry, 202092, 7, 5200-5206.

  6. Xiangzhi Meng, Caowei Tang, Changxin Zhang, Dayu Li, Wei Xu and Yanbing Zhai*, "A Brick mass spectrometer with photoionization for direct analysis of volatile compounds", Journal of the American Society of Mass Spectrometry, 2020, 31, 4, 961-968.

  7. Fei Zhang, Jie Hong, Wei Xu* and Feng Qu*, "Straight Nano-electrospray Ionization and its Coupling of Mobility Capillary Electrophoresis to Mass Spectrometry", Talanta, 2020, 206, 120183.

  8. Chenyue Hou, Qian Xu, Fei Zhang, Ting Jiang* and Wei Xu*, "Towards High Pressure Miniature Protein Mass Spectrometer: Theory and Initial Results", Journal of Mass Spectrometry, 2019. 54. 957-965.

  9. Zuqiang Xu, Ting Jiang, Qian Xu, Yanbing Zhai, Dayu Li, Wei Xu*, "Pseudo-Multiple Reaction Monitoring (Pseudo-MRM) Mode on the “Brick” Mass Spectrometer, Using the Grid-SWIFT Waveform ", Analytical Chemistry, 2019, 91, 21, 13838-13846.

  10. Wenjing Zhang, Haimei Wu, Rongkai Zhang, Xiang Fang and Wei Xu*, "Structure and Effective Charge Characterization of Proteins by a Mobility Capillary Electrophoresis Based Method" Chemical Science, 2019, 10, 7779-7787.

  11. Yang Tang, Dayu Li,* Dong Cao and Wei Xu*, "Extracting Biomolecule Collision Cross Sections from FT-ICR Mass Spectral Line Shape", Talanta, 2019, 205, 120093.

  12. Chuangui Zhou, Hanyan Wu, Xiaohua Zhang, Yong Zhang, Weixin Xie and Wei Xu*, "High-throughput and Direct Sample Screening Using A Laser Spray Ionization Miniature Mass Spectrometer”, Analytical Chemistry, 2019, 91, 14, 8808-8813.

  13. Yanbing Zhai, Qian Xu, Yang Tang, Siyu Liu, Dayu Li, Wei Xu*,"Boosting the Sensitivity and Selectivity of a Miniature Mass Spectrometer Using a Hybrid Ion Funnel" Analytical Chemistry, 2019, 91, 7911-7919.

  14. Zuqiang Xu, Hanyan Wu, Yang Tang, Wei Xu*, and Yanbing Zhai*, "Electric Modeling and Characterization of Pulsed High Voltage Nano-Electrospray Ionization Sources", Journal of Mass Spectrometry, 2019, 54, 583-591.

  15. Rongkai Zhang, Haimei Wu, Muyi He, Wenjing Zhang and Wei Xu*, "Mobility Capillary Electrophoresis-Restrained Modeling Method for Protein Structure Analysis in Mixtures", The Journal of Physical Chemistry B, 2019, 123 (10), pp 2335–2341.

  16. Muyi He, Pan Luo, Jie Hong, Xiaofeng Wang, Haimei Wu, Rongkai Zhang, Feng Qu, Ye Xiang* and Wei Xu*, "Structural Analysis of Biomolecules Through A Combination of Mobility Capillary Electrophoresis and Mass Spectrometry", ACS Omega,2019,4,1,2377-2386.

  17. Siyu Liu, Jia Zuo, Yaowen Lu, Lijuan Gao, Yanbing Zhai* and Wei Xu*, “Direct Bacteria Analysis Using Laserspray Ionization Miniature Mass Spectrometry”, Analytical and Bioanalytical Chemistry, 2019, 411, 4031-4040.

  18. Muyi He, You Jiang, Xiaofeng Wang, Yue Zhao, Sijian Ye, Jiabi Ma, Xiang Fang* and Wei Xu*, "Rapid Characterization of Structure-dependency Gas-Phase Ion/Ion Reaction via Accumulative Tandem MS", Talanta, 2019, 195, 17-22.

  19. Jianli Liu, Wei Tang, Xiangzhi Meng, Lingpeng Zhan, Wei Xu*, Zongxiu Nie*, and Zhonglin Wang*, “Improving the Performance of Mini 2000 Mass Spectrometer with A Triboelectric Nanogenerators Electrospray Ionization Source”, ACS Omega, 2018, 3(9), 12229-12234.

  20. Ting Jiang, Qian Xu, Hongjia Zhang, Dayu Li and Wei Xu*, "Improving the Performances of A “Brick Mass Spectrometer” by Quadrupole Enhanced Dipolar Resonance Ejection from the Linear Ion Trap", Analytical Chemistry, 2018, 90(19), 11671-11679.

  21. Lili Hu, Chuangui Zhou, Hang Li, and Wei Xu*, "Instantaneous Response of Bacteria to External Stimuli Monitored by Syringe Spray Mass Spectrometry", Analytical Chemistry, 2018, 90 (19), 11417–11422.

  22. Yanbing Zhai, Siyu Liu, Lijuan Gao, Lili Hu, and Wei Xu*, "Direct Biological Sample Analyses by Laserspray Ionization Miniature Mass Spectrometry" Analytical Chemistry, 2018, 90, 5696−5702.

  23. Xiangzhi Meng, Xiaohua Zhang, Yanbing Zhai* and Wei Xu*, "Mini 2000: A Robust Miniature Mass Spectrometer with Continuous Atmospheric Pressure Interface" Instruments, 2018 2 (1), 2.

  24. Qi Guo, Lijuan Gao, Yanbing Zhai*, and Wei Xu*, "Recent Developments of Miniature Ion Trap Mass Spectrometers", Chinese Chemical Letter, Accepted.

  25. Md. Matiur Rahman; Ting Jiang; Yang Tang; Wei Xu*, "A Simple Desorption Atmospheric Pressure Chemical Ionization Method for Enhanced Non-volatile Sample Analysis", Analytica Chimica Acta, 2017, Volume 1002, 2018, Pages 62-69.

  26. Xinyu Si, Lili Hu, Wei Xu, Hang Li*, Cuiping Li*, "A dual-source miniature mass spectrometer with improved sensitivity",International Journal of Mass Spectrometry, 2017, 423, 15-19.

  27. Wenjing Zhang, Muyi He, Tao Yuan, Wei Xu*, "A Two-Step Method for Rapid Characterization of Electro-osmotic Flows in Capillary Electrophoresis", Electrophoresis, 2017, 38(24), 3130-3135.

  28. You Jiang, Muyi He, Wen-Jing Zhang, Pan Luo, Dan Guo, Xiang Fang,* Wei Xu*, "Recent Advances of Capillary Electrophoresis Mass Spectrometry Instrumentation and Methodology", Chinese Chemical Letters, 2017, 28(8), 1640-1652.

  29. Ting Jiang, Hongjia Zhang, Yang Tang, Yanbing Zhai, Wei Xu, Hualei Xu, Xinying Zhao, Dayu Li* and Wei Xu*,“A Brick Mass Spectrometer Driven by a Sinusoidal Frequency Scanning Technique”,Analytical Chemistry, 2017, 89 (10), pp 55785584.

  30. Ji Pu, Zhongqiu Teng, Xiuping Fu, Ming Ke, Yanwen Xiong, Mei Zhang*, Biao Kan*, Jianguo Xu* and Wei Xu*, "Rapid Determination of AB5 Enterotoxins using Membrane Electrospray Ionization Mass Spectrometry", International Journal of Mass Spectrometry, 2017, 417, 45-52.

  31. Yanbing Zhai, Xiaohua Zhang, Hualei Xu, Yongchang Zheng, Tao Yuan and Wei Xu*, "Mini Mass Spectrometer Integrated with a Miniature Ion Funnel", Analytical Chemistry, 2017, 89, 4177-4183.

  32. Tianyi Li, Liusheng Fan, Yingfeng Wang, Xuebin Huang, Jianguo Xu, Jinxing Lu, Mei Zhang* and Wei Xu*, "Molecularly Imprinted Membrane Electrospray Ionization for Direct Sample Analyses", Analytical Chemistry, 2017, 89 (3), pp 1453–1458.

  33. Zezhen Zhang, Muyi He, Lingyan Liu, Xingchuang Xiong, Xiang Fang,* Wei Xu*, “Electro-kinetic Assisted Electrospray Ionization for Enhanced Complex Sample Analysis”, Talanta, 164 (2017) 45–51.

  34. Qiang Zhao, Jianli Liu, Bo Wang, Xiaohua Zhang,Guangyan Huang,* Wei Xu*, "Rapid Screening of Explosives in Ambient Environment by Aerodynamic Assisted Thermo Desorption Mass Spectrometry", Journal of Mass Spectrometry, 2017, 52, 16. (封面文章)

  35. Muyi He, You Jiang, Dan Guo, Xingchuang Xiong, Xiang Fang* and Wei Xu*, "Dual-Polarity Ion Trap Mass Spectrometry: Dynamic Monitoring and Controlling Gas-phase Ion-ion Reactions", Journal of The American Society for Mass Spectrometry,2017, 28: 1262-1270.

  36. Yanbing Zhai, Ting Jiang, Guangyan Huang, Yongzheng Wei, and Wei Xu*,“An Aerodynamic Assisted Miniature Mass Spectrometer For Enhanced Volatile Sample Analysis”,Analyst, 2016, 141, 5404 - 5411.

  37. Liusheng Fan, Ming Ke, Min Yuan, Ji Pu, Juan Li, Jinxing Lu, Jianguo Xu, Mei Zhang*, Wei Xu*, "Rapid Determination of Bacterial Aminoglycoside Resistance in Environmental Samples Using Membrane Electrospray Ionization Mass Spectrometry", Rapid Communication in Mass Spectrometry, 2016, 30 (Suppl. 1), 202–207.

  38. Ting Jiang, Muyi He, Dan Guo, Yanbing Zhai, Wei Xu*"Ion Collision Cross Section Analyses in Quadrupole Ion Traps Using Filter Diagonalization Method: A Theoretical Study" Physical Chemistry Chemical Physics, 2016, 18, 12058-12064.

  39. Xiaohua Zhang, Yuzhuo Wang, Lili Hu, Dan Guo, Xiang Fang, Mingfei Zhou*, Wei Xu*, "Reducing Space Charge Effects in a Linear Ion Trap by Rhombic Ion Excitation and Ejection", Journal of The American Society for Mass Spectrometry, 2016, 27(7), 1256-1262.

  40. Dayu Li, Yang Tang, Wei Xu*, "Ion Collision Cross Section Measurements in Fourier Transform-based Mass Analyzers", Analyst, 2016, 141, 3554 - 3561.

  41. Zhenhua Xue, Yan Chen, Muyi He, Xingchuang Xiong, Xiang Fang, Yonggang Zhao; Wei Xu*, "Development of a Miniature Mass Spectrometer with In-Source Desolvation", International Journal of Mass Spectrometry, 2016, 397-398, 1-5.

  42. Ting Jiang, Yu Chen, Lu Mao, Alan Marshall* and Wei Xu*, "Extracting Biomolecule Collision Cross Sections from the High-resolution FT-ICR Mass Spectral Line Widths", Physical Chemistry Chemical Physics, 2016, 18, 713-717. Cover Story.

  43. Yanbing Zhai, Yan Feng, Yongzheng Wei, Yuzhuo Wang, and Wei Xu*, “Development of A Miniature Mass Spectrometer with Continuous Atmospheric Pressure Interface”, Analyst, 2015, 140, 3406-3414.

  44. Lu Mao, Yu Chen, Yi Xin, Yu Chen, Li Zheng, Nathan K. Kaiser, Alan G. Marshall,* and Wei Xu*, “Collision Cross Section Measurements for Biomolecules within a High-Resolution FT-ICR Cell”, Analytical Chemistry, 2015, 87(8), 4072-4075.

  45. Mei Zhang, Wei Xu, Ming Ke, Jianguo Xu and Yulin Deng, "Evaluation of Individual Aging Degree by Standard-free, Label-free LC-MS/MS Quantitation of Formaldehyde-modified Peptides", Analyst, 2015, 140, 4137 - 4142.

  46. Mei Zhang, Fankai Lin, Jianguo Xu and Wei Xu*, “Membrane Electrospray Ionization for Direct Ultrasensitive Biomarker Quantitation in Biofluids Using Mass Spectrometry”, Analytical Chemistry, 2015, 87(6), 3123−3128.

  47. Dan Guo, Yi Xin, Dayu Li, Wei Xu*, “Collision Cross Section Measurements for Biomolecules within a High-Resolution FT-ICR Cell: Theory”, Physical Chemistry Chemical Physics, 2015, 17, 9060-9067.

  48. Dan Guo, Muyi He, Yuzhuo Wang, Xingchuang Xiong, Xiang Fang and Wei Xu*, “GPU Assisted Simulation Study of Ion-Ion Reactions within Quadrupole Ion Traps”, Journal of the American Society for Mass Spectrometry, 2015, 26(7), 1233-1241.

  49. Muyi He, Zhenhua Xue, Yinna Zhang, Zejian Huang, Xiang Fang, Feng Qu, Zheng Ouyang and Wei Xu*, “Development and Characterizations of A Miniature Capillary Electrophoresis Mass Spectrometry System”, Analytical Chemistry, 2015, 87, 2236−2241.

  50. Yongzheng Wei, Cunjuan Bian, Zheng Ouyang and Wei Xu*, “A Pulsed Pinhole Atmospheric Pressure Interface for Simplified Mass Spectrometry Instrumentation with Enhanced Sensitivity”, Rapid Communications in Mass Spectrometry, 2015, 29, 701–706.

  51. Muyi He, Dan Guo, Yan Feng, Xingchuang Xiong, Huzhong Zhang, Xiang Fang and Wei Xu* “Realistic Modeling of Ion-neutral Collisions in Quadrupole Ion Traps” Journal of Mass Spectrometry, 2015, 50, 95-102.

  52. Yuzhuo Wang, Xiaohua Zhang, Yanbing Zhai, You Jiang, Xiang Fang, Mingfei Zhou, Yulin Deng and Wei Xu*, “Mass Selective Ion Transfer and Accumulation in Ion Trap Arrays”, Analytical Chemistry, 2014, 86, 10164−10170 .

  53. Muyi He, Dan Guo, Yu Chen, Xingchuang Xiong, Xiang Fang and Wei Xu*, “Ion Collision Cross Section Measurements in Quadrupole Ion Traps Using a Time-frequency Analysis Method”, Analyst, 2014, 139 (23), 6144 - 6153. Hot Article.

  54. Yuzhuo Wang, Xiaohua,Zhang, Yan Feng, Ruiting Shao, Xingchuang Xiong, Xiang Fang, Yulin Deng, and Wei Xu* “Characterization of Geometry Deviation Effects on Ion Trap Mass Analysis: A Comparison Study” International Journal of Mass Spectrometry, 2014, 370, 125-131.

  55. Mei Zhang, Zhongqiu Teng, Wei Xu, Rongji Dai, Hong Qing, Yulin Deng and Jianguo Xu “Quantification of CP4 EPSPS in genetically modified Nicotiana tabacum leaves by LC-MS/MS with 18O-labelling” Analytical Methods, 2014, 6, 7399-7406.

  56. Wei Xu, Linfan Li, Xiaoyu Zhou, Zheng Ouyang, “Ion Sponge: A 3-Dimentional Array of Quadrupole Ion Traps for Trapping and Mass-Selectively Processing Ions in Gas Phase” Analytical Chemistry, 2014, 86 (9), 4102−4109. Editors' Highlight.

  57. Dan Guo, Yuzhuo Wang, Xingchuang Xiong, Hua Zhang, Xiaohua Zhang, Tao Yuan, Xiang Fang and Wei Xu*, "Space Charge Induced Nonlinear Effects in Quadrupole Ion Traps", Journal of The American Society for Mass Spectrometry, 2014, 25(3):498-508.

  58. Mingkun Fu, Wei Xu, Qing Lu, Guoyu Pan and Csanad Varga, “Evaluation and optimization of high-performance liquid chromatography coupled with high-resolution mass spectrometry for phospholipid quantitation”, Rapid Commun. Mass Spectrom. 2014, 28, 1–11.

  59. Ziqing Lin, Lei Tan, Sandilya Garimella, Linfan Li, Tsung-Chi Chen, Wei Xu, Yu Xia and Zheng Ouyang “Characterization of a DAPI-RIT-DAPI System for Gas-Phase Ion/Molecule and Ion/Ion Reactions”, Journal of The American Society for Mass Spectrometry, 2014. 25 (1). 48-56.

  60. Yuzhuo Wang, Zejian Huang, You Jiang, Xingchuang Xiong, Yulin Deng, Xiang Fang and Wei Xu* “The coupling effects of hexapole and octopole fields in quadrupole ion traps: a theoretical study”, Journal of Mass Spectrometry, 2013, 48, 937-944.

  61. Mei Zhang, Wei Xu and Yulin Deng, “A new strategy for early diagnosis of type 2 diabetes mellitus by standard-free, label-free LC-MS/MS quantification of glycated peptides”, Diabetes, 2013 Nov; 62(11): 3936-42. doi: 10.2337/db13-0347.

  62. T. Chen, W. Xu, S. Garimella and Z. Ouyang, "Study of the Efficiency for Ion Transfer through Bent Capillaries", Journal of Mass Spectrometry, 2012, 47(11), 1466–1472.

  63. Xingchuang Xiong, Wei Xu*, Xiang Fang, Yulin Deng and Zheng Ouyang, "Accelerated Simulation Study of Space Charge Effects in Quadrupole Ion Traps Using GPU Techniques", Journal of The American Society for Mass Spectrometry, 2012, 23(10), 1799-1807.

  64. Y. M. Du, W. Xu, Z. Ouyang, "Self-Correlation Method for Processing Random Phase Signals in Fourier Transform Mass Spectrometry", International Journal of Mass Spectrometry, 2012, 325–327, 73-79.

  65. Xingchuang Xiong, Wei Xu, L. S. Eberlin, J. M. Wiseman, X. Fang, Y. Jiang, Z. Huang, Y. Zhang, R. G. Cooks and Z. Ouyang, "Data Processing for 3D Mass Spectrometry Imaging", Journal of the American Society of Mass Spectrometry , 2012, 23 (6), 1147-1156.

  66. S. Garimella, W. Xu, G. Huang, J. D. Harper, R. G. Cooks and Z. Ouyang, "Gas-flow assisted ion transfer for mass spectrometry", Journal of Mass Spectrometry, 2012, 47 (2), 201-207.

  67. Zhiping Zhang, Wei Xu, N. E. Manicke, R. G. Cooks and Z. Ouyang, "Silica Coated Paper Substrate for Paper-Spray Analysis of Therapeutic Drugs in Dried Blood Spots", Analytical Chemistry, 2012, 84 (2), pp 931–938.

  68. Wei Xu, William Chappell and Zheng Ouyang , “Modeling of ion transient response to dipolar AC excitation in a quadrupole ion trap”, International Journal of Mass spectrometry, 2011, 308(1), pp. 49-55. Link

  69. Tsungchi Chen, Wei Xu, Zheng Ouyang, "Dual buffer gases for ion manipulation in a miniature ion trap mass spectrometer with a discontinuous atmospheric pressure interface", Rapid Communications in Mass Spectrometry, 2011, 25(21), pp. 3274–3280. Link

  70. Wei Xu, Jeffrey Maas, Frank Boudreau, William J. Chappell and Zheng Ouyang, "Non-Destructive Ion Trap Mass Analysis at High Pressure", Analytical Chemistry, 2011, 83(3), pp. 685–689. Link

  71. Keyong Hou, Wei Xu, R. Graham Cooks, Zheng Ouyang, "Sampling Wand for an Ion Trap Mass Spectrometer", Analytical Chemistry, 2011, 83 (5), pp 1857–1861. Link

  72. Boone M. Prentice, Wei Xu, Zheng Ouyang, Scott Mcluckey, "DC potentials applied to an end-cap electrode of a 3D ion trap for enhanced MSn functionality", International Journal of Mass spectrometry, 2011, 306(2-3), pp. 114-122. Link

  73. Wei Xu, Nicholas Charipar, Matthew Kirleis, Yu Xia and Zheng Ouyang, “Discontinuous Atmospheric Pressure Interfaces for Mass Spectrometry Instrumentation Development”, Analytical Chemistry, 2010, 82 (15), pp. 6584–6592. Link

  74. Wei Xu, Nicholas E. Manicke, Graham R. Cooks, Zheng Ouyang, "Miniaturization of Mass Spectrometry Analysis Systems", Journal of Laboratory Automation, 2010, 15 (6), pp. 433-439. Link

  75. Guangming Huang, Wei Xu, Michelle A. Visbal-Onufrak, Zheng Ouyang, Graham Cooks, “Direct Melamine Screening in Complex Matrices using Low Temperature Plasma Ionization coupled with a Handheld Mass Spectrometer”, Analyst, 2010, 135, pp. 705-711. Link

  76. Wei Xu, Qingyu Song, William J. Chappell and Zheng Ouyang, “Ion Trap Mass Analysis at High Pressure: A Theoretical View”, Journal of American Society of Mass Spectrometry, 2009, 20 (11), pp. 2144-2153. Link

  77. Qingyu Song, Wei Xu, R. Graham Cooks and Zheng Ouyang, “Ion trap mass analysis at high pressure: an experimental characterization”, Journal of Mass Spectrometry, 2009, 45 (1), pp. 26-34. Link

  78. Wei Xu, William J. Chappell, R. Graham Cooks, Zheng Ouyang, “Characterization of electrode surface roughness and its impact on ion trap mass analysis”, Journal of Mass spectrometry, 2009, 44 (3), pp. 353 – 360. Link

  79. Qingyu Song, Scott A. Smith, Liang Gao, Wei Xu, Michael Volný, Ouyang Zheng, R. Graham Cooks,  "Mass selective of ions from beams using waveform isolation in radio frequency quadrupoles", Analytical Chemistry ,2009, 81 (5), pp. 1833-1840. Link

  80. Le-Wei Li, Wei Xu, Hai-Ying Yao, Zhi-Ning Chen, and Qun Wu, "Design of Left-Handed Metamaterials Using Single Resonant and Double Resonant Structures," International Journal of Microwave and Optical Technology, 2006, 1 (1), pp. 10-16, Invited Paper.

  81. Wei Xu, Le-Wei Li, Hai-Ying Yao, Tat-Soon Yeo, and Qun Wu, “Extraction of Constitutive Relation Tensor Parameters of SRR Structures Using Transmission Line Theory,” Journal of Electromagnetic Waves and Applications, 2006, 20 (1), pp. 13-25.

  82. Wei Xu, Le-Wei Li, Hai-Ying Yao, Tat-Soon Yeo, and Qun Wu, “Left-Handed Material Effects on Waves Modes and Resonant Frequencies: Filled Waveguide Structures and Substrate-Loaded Patch Antennas,” Journal of Electromagnetic Waves and Applications, 2005, 19 (15), pp. 2033-2047.

  83. Hai-Ying Yao, Wei Xu, Le-Wei Li, Qun Wu, and Tat-Soon Yeo, “Propagation Property Analysis of Metamaterial Constructed by Conductive SRRs and Wires Using the MGS-based Algorithm,” IEEE Transactions on Microwave Theory and Techniques (Special Issue on Metamaterials), 2005, 53 (4), pp. 1469-1476.