The University of Massachusetts Amherst
 
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Guangyu Xu

Assistant Professor

We are developing integrated molecule detection system, multiplexed cell imaging tools, and self-powered implantable devices, aiming to provide new capabilities for next-generation personal health.

Current Research
I. Portable, multi-functional detection platform: Applications: genetic test, cancer detection, lab-on-chip.

II. High-content, multi-functional cellular analysis: Applications: cellular dynamics, neuroimaging, disease model.

people.umass.edu/guangyux/

Academic Background

  • BS Fundamental Sciences, Tsinghua University, 2003
  • MS Electrical Engineering, Tsinghua University, 2006
  • PhD Electrical Engineering, University of California, Los Angeles, 2011
  • Guest Researcher, Lawrence Berkeley National Laboratory, 2009-2010
  • Postdoctoral Fellow, Harvard University, 2011-2014
  • Postdoctoral Associate, MIT Media Lab, 2014-2015
Z. Xiong, F.-J. Hwang, F. Sun, Y. Xie, D. Mao, G.-L. Li, and G. Xu. "Spectrally filtered passive Si photodiode array for on-chip fluorescence imaging of intracellular calcium dynamics", Scientific Reports, 9: 9083, 2019.
M. Donnelly, D. Mao, J. Park, and G. Xu. "Graphene Field-Effect Transistors: The Road to Bioelectronics", Journal of Physics D: Applied Physics, 51, 493001 (2018).
L. Lyu, P. Jaswal, and G. Xu. "Effect of Channel-Width and Chirality on Graphene Field-Effect Transistor Based Real-Time Biomolecue Sensing", AIP Advances, 8, 035322 (2018).
D. Mao, J. Morley, Z. Zhang, M. Donnelly, and G. Xu. "High-Yield Passive Si Photodiode Array Towards Optical Neural Recording", IEEE Electron Device Letters, 39, 524-527 (2018).
G. Xu, J. Abbott, and D. Ham. "Optimization of CMOS-ISFET Based Biomolecular Sensing: Analysis and Demonstration in DNA Detection", IEEE Transactions on Electron Devices, 63, 3249-3256 (2016).
G. Xu, J. Abbott, L. Qin, K. Yeung, Y. Song, H. Yoon, J. Kong and D. Ham. "Electrophoretic and Field-Effect Graphene for All-Electrical DNA Array Technology", Nature Communications, 5: 4866,
G. Xu, J. Abbott, L. Qin, K. Yeung, Y. Song, H. Yoon, J. Kong and D. Ham. "Electrophoretic and Field-Effect Graphene for All-Electrical DNA Array Technology", Nature Communications, 5: 4866, doi: 10.1038/ncomms5866 (2014).
G. Xu , Y. Zhang, X. Duan, A. A. Balandin, and K. L .Wang. "Variability Effects in Graphene: Challenges and Opportunities for Device Engineering and Applications", Proceedings of the IEEE, 101, 1670-1688 (2013).
G. Xu , Y. Zhang, X. Duan, A. A. Balandin, and K. L .Wang. "Variability Effects in Graphene: Challenges and Opportunities for Device Engineering and Applications", Proceedings of the IEEE, 101, 1670-1688 (2013, special issue on "Emerging Graphene-Based Electronic & Photonic Devices, Circuits, and Systems").
G. Xu, C. M. Torres, Jr., J. Tang, J. Bai, E. B. Song, Y. Huang, X. Duan,Y. Zhang, and K. L. Wang. "Edge Effect on Resistance Scaling Rules in Graphene Nanostructures", Nano Letters, 11, 1082-1086 (2011).
G. Xu, C. M. Torres, Jr., J. Bai, J. Tang, T. Yu, Y. Huang, X. Duan, Y. Zhang, and K. L. Wang. "Line-width Roughness in Nanowire-mask Based Graphene Nanoribbons", Applied Physics Letters, 98, 243118 (2011).
M. Wang, E. B. Song, S. Lee , J. Tang, M. Lang, C. Zeng , G. Xu, Y. Zhou, and K. L. Wang. "Quantum Dot Behavior in Bilayer Graphene Nanoribbons", ACS Nano, 5, 8769-8773 (2011).
G. Xu, C. M. Torres, Jr., Y. Zhang, F. Liu, E. B. Song, M. Wang, Y. Zhou, C. Zeng, and K. L. Wang. "Effect of Spatial Charge Inhomogeneity on 1/f Noise Behavior in Graphene", Nano Letters, 10, 3312-3317 (2010).
G. Xu, C. M. Torres, Jr., E. B. Song, J. Tang, J. Bai, X. Duan, Y. Zhang, and K. L. Wang. "Enhanced Conductance Fluctuation by Quantum Confinement Effect in Graphene Nanoribbons", Nano Letters, 10, 4590-4594 (2010).
 
Contact Info

Department of Electrical and Computer Engineering
215C Marcus Hall
100 Natural Resources Road
Amherst, MA 01003

guangyux@umass.edu
(413) 577-4308

people.umass.edu/guangyux/