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Education

  • Ph.D. Electrical Engineering, Georgia Institute of Technology, Atlanta, GA 2009, Advisor: Prof. Mark G. Allen
  • M.S. Electrical Engineering, University of Cincinnati, Cincinnati, OH 2001, Advisor: Prof. Thurman H. Henderson
  • B.S. Electronics Engineering, Bharathidasan University, Trichy, India

Industrial Experience

  • Co-Founder and V.P. Biological and Materials Engineering, Axion BioSystems Inc., Atlanta, GA, 2007-2015
  • MEMS Engineer, CardioMEMS Inc. (now Abbott Labs), Atlanta, GA 2004-2005
  • Process Development Engineer, Analog Devices Inc., Cambridge, MA 2001-2002

Research

Micro/Nanofabrication Technologies; Neuroengineering; Micro/Nanofabrication on Plastics, Paper, Biomaterials and other novel materials; Flexible Electronics Fabrication Technologies; Implantable MEMS/NEMS Devices; Wearable MEMS Devices; Microfluidics; Packaging – Microelectronic and Biomedical Devices; Microneedles for painless drug delivery; Advanced Micro/Nano-Materials Development; Micro/Nano-Manipulation.

Awards and Honors

  1. Graduate Research Assistantship, Georgia Tech, 2005-2009.
  2. Best Poster Award, Electrochemical Society (ECS) Symposium on Electrochemical Systems, Sensors and MEMS, Atlanta, GA, April 2004.
  3. Graduate Research Assistantships, Georgia Tech and Georgia Tech Research Institute, 2003-2004.
  4. Graduate Research Assistantship, University of Cincinnati, 1999-2000.
  5. Graduate Teaching Assistantship, University of Cincinnati, 1998-1999.
  6. Best Outgoing Senior (Academics) Award, Bharathidasan University, India, 1994-1998.
  7. National Talent Search Scholarship for high school and undergraduate education, India, 1992-1998 (top 2% in the nation).

Selected Publications

Peer-Reviewed Journal Papers (at UCF)

  1. C. Hart, A. Kundu, K. Kumar, S. Varma, J. Thomas and S. Rajaraman, “Rapid Nanofabrication of Nanostructured Interdigitated Electrodes (nIDEs) for Long Term, in vitro Analysis of Human Induced Pluripotent Stem Cell Differentiated Cardiomyocytes”, Biosensors, 8(4), 88, https://doi.org/10.3390/bios8040088, 2018.
  2. S. Varma, K. Kumar, S. Seal, S. Rajaraman and J. Thomas, “Fiber-type Solar Cells, Nanogenerators, Batteries, and Supercapacitors for Wearable Applications”, Advanced Science, doi: 10.1002/advs.201800340 2018.
  3. A. Kundu, T. Ausaf and S. Rajaraman, “3D Printing, Ink Casting and Micromachined Lamination (3D PICLµM): A Makerspace Approach to the Fabrication of Biological Microdevices”, Micromachines 9(2), 85, doi. 10.3390/mi9020085, 2018.
  4. C. Karnati, R.J. Aguilar, C. Arrowood, J.D. Ross and S. Rajaraman, “Micromachining on and of Transparent Polymers for Patterning Electrodes and Growing Electrically Active Cells for Biosensor Applications”, Micromachines 8(8), 250, doi 10.3390/mi8080250, 2017.

Peer-Reviewed Journal Papers (Prior to UCF)

  1. G.S. Guvanasen, S. Rajaraman, S.P. DeWeerth and T.R. Nichols, “Electrical Activation of Muscle via a Stretchable Microneedle Electrode Array”, Journal of Applied Physiology, 2017 (in press).
  2. G.S. Guvanasen, S. Rajaraman, S.P. DeWeerth and T.R. Nichols, “Measurement of Electromyographic Activity via a Stretchable Microneedle Electrode Array”, Journal of Applied Physiology, 2017 (in press).
  3. G.S. Guvanasen, L. Guo, R.J. Aguilar, A.L. Cheek, C.S. Shafor, S. Rajaraman, T.R. Nichols and S.P. DeWeerth, “A Stretchable Microneedle Electrode Array for Stimulating and Measuring Intramuscular Electromyographic Activity”, IEEE Transactions in Neural Systems and Rehabilitation Engineering, vol. 25, no. 9, 2017.
  4. G.S. Guvanasen, M.L. Mancini, W.A. Calhoun, S. Rajaraman and S.P. DeWeerth, “Polydimethylsiloxane Microstencils Molded on 3-D Printed Templates”, IEEE/ASME Journal of Microelectromechanical Systems (JMEMS), vol. 23, no. 5, pp. 1045-53, 2014.
  5. P-C. Wang, S-J. Paik, S. Chen, S. Rajaraman, S-H. Kim and M.G. Allen, “Fabrication and Characterization of Polymer Hollow Microneedle Array using UV Lithography into Micromolds”, IEEE/ASME Journal of Microelectromechanical Systems (JMEMS), vol. 22, no. 5, pp. 1041-53, 2013.
  6. S. Rajaraman, J.A. Bragg, J.D. Ross and M.G. Allen, “Micromachined Three-Dimensional Electrode Arrays for Transcutaneous Nerve Tracking”, Institute of Physics Journal of Micromechanics and Microengineering, vol. 21, no. 8 o85014 (13 pp.), 2011.
  7. B.A. Wester, S. Rajaraman, J.D. Ross, M.C. LaPlaca and M.G. Allen, “Development and Characterization of a Packaged Mechanically Actuated Microtweezer System”, Sensors and Actuators A, vol. 167, no. 2, pp. 502-511, 2011.
  8. S. Rajaraman, S-O. Choi, M.A. McClain, J.D. Ross, M.C. LaPlaca and M.G. Allen, “Metal Transfer Micromolded Three-Dimensional Microelectrode Arrays (3-D MEAs) for in-vitro Brain Slice Recordings”, IEEE/ASME Journal of Microelectromechanical Systems (JMEMS), vol. 20, no. 2, pp. 396-409, 2011.

Selected Patents

  1. E. Tyler, A.J. Preyer and S. Rajaraman, “Cell-Based Biosensor Array and Associated Methods for Manufacturing the same”, US Patent Application 14825140. Axion BioSystems Inc., Filed: 2015.
  2. P. Clements, A.J. Preyer, S. Rajaraman, D.C. Millard and J.D. Ross, “Multiwell Microelectrode Array with Optical Stimulation”, US Patent 14738618. Axion BioSystems Inc., Filed: 2015; Awarded: 2016.
  3. P. Clements, A.J. Preyer, S. Rajaraman, D.C. Millard and J.D. Ross, “Multiwell Microelectrode Array with Optical Stimulation”, US Patent 9360469. Axion BioSystems Inc., Filed: 2015; Awarded: 2016.
  4. J. Butera, Y.A. Patel, J.D. Ross, S. Rajaraman and I.P. Clements, “Neural Interfacing Device”, US Patent Application 2015/014122. Georgia Institute of Technology/Axion BioSystems Inc., Filed 2015.
  5. D. Grier, A.M. Nicolini, C.M. Arrowood and S. Rajaraman, “Devices, Systems and Methods for Targeted Plating of Materials in High-Throughput Culture Plates” US Patent Application 14/533,373, Axion BioSystems Inc., Filed 2014.
  6. S. Rajaraman, J.A. Bragg, J.D. Ross and A.J. Preyer, “A Non-Invasive, Segmentable Three-Dimensional Microelectrode Array Patch for Neurophysiological Diagnostics and Therapeutic Stimulation”, US Patent Application 14/199,580. Axion BioSystems Inc., Filed 2014.
  7. S. Rajaraman, J.D. Ross and A.J. Preyer, “Devices, Systems and Methods for High-Throughput Electrophysiology”, US Patent 9279801. Axion BioSystems Inc., Filed: 2013; Awarded: 2016.
  8. S. Rajaraman, J.D. Ross and A.J. Preyer, “Culture well Plate” US and EU Design Patent Application 2281386. Axion BioSystems Inc., Filed 2013.
  9. S. Guvanasen, S. Rajaraman, R. Aguilar, L. Guo, T.R. Nichols and S.P. DeWeerth, “3-D Microelectrode Device for Live Tissue Applications”, US Patent 9248273. Georgia Institute of Technology/Axion BioSystems Inc., Filed 2013; Awarded 2015.
  10. G. Allen, Y-K. Yoon, J-H. Park, X. Wu, Y. Zhao, S-O. Choi and S. Rajaraman, “Method for Making Electrically Conductive Three-Dimensional Structures”, US Patent 9330820. Georgia Institute of Technology, Filed 2013; Awarded: 2016.
  11. D. Ross, E.A. Brown, S. Rajaraman, M.G. Allen and B.C. Wheeler “Apparatus and Methods for High Throughput Network Electrophysiology and Cellular Analysis”, US Patent 9290756. Georgia Institute of Technology/Axion BioSystems Inc., Filed 2010; Awarded: 2016.
  12. Karpman and S. Rajaraman, “Shadow Mask and Method of making the same”, US Patent 6893976. Analog Devices Inc., Filed: 2002, Awarded: 2005.