Xinyan Tracy Cui, Ph.D. 

Assistant Professor
Department of Bioengineering
McGowan Institute for Regenerative Medicine
Center for Neural Basis of Cognition
University of Pittsburgh
5063 Bioscience Tower 3, Pittsburgh, PA 15260
Phone: (412)3836672
Professional Preparation:
University of Michigan, Ann Arbor, MI Ph.D. 2002 Macromolecular Sci & Eng
Tsinghua University, Beijing, China M.S. 1997 Biophysics
Tsinghua University, Beijing, China B.E. 1994 Polymer Materials and ChE
June 2002- Aug 2003, Research scientist, Unilever Research US, Edgewater, NJ
Sep 2003- present Assistant professor, Bioengineering, University of Pittsburgh
Five Related Publications:
  1. William R. Stauffer and Xinyan T. Cui, Polypyrrole doped with 2 peptide sequences from laminin, Biomaterials, Volume 27, Issue 11, April 2006, Pages 2405-2413.
  2. Reecha Wadhwa, Carl F. Lagenaur and Xinyan Tracy Cui, Electrochemically controlled release of dexamethasone from conducting polymer polypyrrole coated electrode, Journal of Controlled Release, Volume 110, Issue 3, 21 February 2006, Pages 531-541
  3. Xinyan Cui, James Wiler, Marta Dzaman, Richard A. Altschuler, and David C. Martin, Invivo Studies of Polypyrrole / Peptide Coated Neural Probes, Biomaterials, Volume 24, Issue 5, February 2003, Pages 777-787.
  4. Xinyan Cui and David Martin, Electrochemical Deposition and Characterization of Poly (3, 4-ethylenedioxythiophene) on Neural Microelectrode Arrays, Sensors and Actuators, B. Chemical, Volume 89, Issues 1-2, 1 March 2003, Pages 92-102.
  5. Xinyan Cui, Jamille Hetke, James Wiler, David Anderson and David C. Martin, Electrochemical Deposition and Characterization of Conducting Polymer Polypyrrole / PSS on Multichannel Neural Probes, Sensors and Actuators, A. Physical, 2001, Vol 93, n1, 8-18.
Five Selected Additional Publications:
  1. Cui XT, Zhou DD, Poly (3,4-ethylenedioxythiophene) for Chronic Neural Stimulation, IEEE Transactions on Neural Systems & Rehabilitation Engineering, in press
  2. Liao W, Cui X: Reagentless aptamer based impedance biosensor for monitoring a neuroinflammatory cytokine PDGF. Biosensors and Bioelectronics, 23 (2007) 218-224.
  3. Widge AS, Jeffries-El M, Cui X, Lagenaur CF, Matsuoka Y, Self-assembled monolayers of polythiophene conductive polymers improve biocompatibility and electrical impedance of neural electrodes. Biosens Bioelectron. Volume 22, Issue 8, 15 March 2007, Pages 1723-1732
  4. Schwartz AB, Cui XT, Weber DJ, Moran DW, Brain-controlled interfaces: movement restoration with neural prosthetics, Neuron. 2006 Oct 5;52(1):205-20
  5. Yinghong Xiao; David C. Martin; Xinyan Cui and Mehash Shenai, Surface modification of neural probes with conducting polymer poly(hydroxymethylated-3,4- ethylenedioxythiophene) and its biocompatibility, Applied Biochemistry and Biotechnology 128, no. 2 (2006): 117-130
  6. Xinyan Cui and David C. Martin, Fuzzy Gold Electrodes for Lower Impedance and Improving Adhesion with Electrodeposited Conducting Polymer Films, Sensors and Actuators, A. Physical, 2003, 103(3), 384-394
Synergistic Activities
Reviewer for MRS Bulletin, Biomaterials, Journal of Controlled Release, Acta Biomaterialia, Journal of Biomaterials-Polymer Edition, IEEE/Transactions on Neural Systems & Rehabilitation Engineering, Brain Research, NSF SBIR/STTR panel, American Institute of Biological Sciences (AIBS)
Memember of Biomedical Engineering Society (BMES), Material Research Society (MRS), American Physical Society (APS), Society for Biomaterials. Organizer of MRS symposium “Electroactive Conducting Polymers and Carbon Nanotubes for Biomedical Application”.
  • Wallace H. Coulter Foundation Early Career Translational Research Award, 2005
  • Charles G. Overberger Award for Research Excellence, 2000
  • Alfred P. Sloan Fellowship Award, 1999
  • Electrode system, devices and methods, US Provisional Patent, Application #: 60/937,497
  • Electrically controlled neurochemical delivery system, US-Provisional, submitted
Teaching and Educational Duty 
  • Instructor, University of Pittsburgh, undergraduate course BioE 1810, Biomaterials and Biocompatibility.
  • Department of Bioengineering Graduate Committee, Neural Engineering Track Coordinator
Collaborators & Affiliations
(a) Collaborators
Andrew Schwartz, Mingui Sun, Robert Sclabassi, Carl Lagenaur, Glenn Gobbel, Guoqiang Bi, Di Gao, Kacey Marra, Jorg Gerlach (University of Pittsburgh)
Rob Kass, Lee Weiss (Carnegie Mellon University), Daryl Kipke (University of Michigan), Daoming Zhou (Second Sight, CA)
(b) Graduate and Postdoctoral Advisors
 PhD Advisors: Prof. David C. Martin (University of Michigan)
(c) Thesis Advisor and Postgraduate-Scholar Sponsor
Graduate Students (Univ. of Pittsburgh, total 4): William R. Stauffer, Reecha Wadhwa,
Erdrin A. Charley, Nicolas Alba
Post-doctorate scholar: Wei Liao, Ph.D.

(d) Other Personnel Category
Undergraduate Researchers: Michael Freedman, Brad Randall and Katelyn Lesk (REU
students from Univ. of Pittsburgh), Sagar Joshi (REU student from Clemson University),
Nazar Skoropod (REU student from Ivano Frankivsk State Medical University, Ukraine)
MD/PhD student doing summer rotation: Agnes Kalinowski (University of Pittsburgh)
High School Student: Xixi yang (female)