Publications

As a service to our research and academic customers, this page contains links to papers published by Sigenics and our personnel.

  • Stuart F. Cogan, Member IEEE, Philip R. Troyk, Senior Member, IEEE and Glenn DeMichele, “Stability of Thin-film Wireless Recording and Stimulation Devices for Epilepsy Monitoring”, 6th Annual International IEEE EMBS Conference on Neural Engineering San Diego, California, 6 – 8 November, 2013 pp. 1005 – 1008 View
  • Glenn A. DeMichele, Hu Zhe, Philip R. Troyk, “Integrated Reliability Modules used in an Implantable Wireless EMG Sensor,” 6th Annual International IEEE EMBS Conference on Neural Engineering San Diego, California, 6 – 8 November, 2013 pp. 847 – 850 View
  • Z. Hu, P. Troyk, G. DeMichele, D. Kerns, M. Bak, “A laboratory instrument for characterizing multiple microelectrodes”, 35th Annual International Conference of the IEEE EMBS pp. 1558 – 1561. View
  • H. Zhe, P. Troyk, G. DeMichele, K. Kayvani, S. Suh, “Intrinsic Activation of Iridium Electrodes over a Wireless Link” 34th Annual International Conference of the IEEE EMBS pp. 2788-2791, 2012 View
  • DeMichele G A, Troyk P R, Hu Z , Kerns D A, Chen H , Kayvani K . “Enhancements for the Implantable Myoelectric Sensing (IMES) System”. 17th Annual Conference of the International Functional Electrical Stimulation Society. In press :051. 2012. View
  • Philip R. Troyk,Sungjae Suh, Zhe Hu, Kevin Kayvani, Glenn DeMichele, and Douglas Kerns, “Assessment Of Technology For An Intracortical Visual Prosthesis” ARVO Meeting Abstracts March 26, 2012 53:5552, 2012 View
  • R. E. F. Weir, P. R. Troyk, G. A. DeMichele, D. A. Kerns, J. F. Schorsch, and H. Maas, “Implantable Myoelectric Sensors (IMESs) for Intramuscular Electromyogram Recording,” IEEE Transactions on Biomedical Engineering, vol. 56, pp. 159-171, Jan 2009. View
  • Schorsch, J.F., Maas, H, Troyk, P.R., DeMichele, G.A, Kerns, D.A.,Weir, R.F, “Multifunction Prosthesis Control Using Implanted Myoelectric Sensors (IMES)”, Proceedings of the 2008 MyoElectric Controls/Powered Prosthetics Symposium, Fredericton, New Brunswick, Canada, August 13–15, 2008. View
  • G. A. DeMichele, P. R. Troyk, D. Kerns, and R. F. f. Weir, “IMES-implantable myoElectric sensor system: designing standardized ASICs,” BioCAS 2008. IEEE Biomedical Circuits and Systems Conference – Intelligent Biomedical Systems, pp. 117-120, 2008. View
  • Baker, J.J.; Yatsenko, D.; Schorsch, Jack F.; DeMichele, G.A.; Troyk, Phil R.; Hutchinson, D.T.; Weir, R.F.; Clark, Gregory; Greger, B., “Decoding individuated finger flexions with Implantable MyoElectric Sensors,” Engineering in Medicine and Biology Society, 2008. EMBS 2008. 30th Annual International Conference of the IEEE , vol., no., pp.193,196, 20-25 Aug. 2008 View
  • J. J. Baker, D. Yatsenko, J. Schorsch, G. A. DeMichele, P. R. Troyk, D. T. Hutchinson, R. Weir, G. Clark, B. Greger; “A principle components analysis based decode of individuated finger flexions recorded wirelessly with implantable myoelectric sensors,” Program No. 517.4. 2008 Neuroscience Meeting Planner. Washington, DC: Society for Neuroscience, Online, 2008. View
  • E J. Warren, J. J. Baker, D. T. Hutchinson, J. Schorsch, P. R. Troyk, R. F. Weir, G. DeMichele, G. A. Clark, B. Greger, “Optimal linear filter control of a virtual prosthetic hand via wirelessly recorded myoelectric signals,” Program No. 673.8/PP6. 2008 Neuroscience Meeting Planner. Washington, DC: Society for Neuroscience, Online, 2008.
  • P. R. Troyk, G. A. DeMichele, D. A. Kerns, and R. F. Weir, “IMES: an implantable myoelectric sensor,” Proceedings of the 29th Annual International Conference of the IEEE EMBS, pp. 1730-173, 2007. View
  • P. R. Troyk, D. E. A. Detlefsen, G. A. D. DeMichele, and D. Kerns, “NeuroTalk: an interface for multifunctional neural engineering ASICs,” Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No. 06CH37748), pp. 4, 2006. View
  • D. Kerns, P. Troyk, and G. DeMichele, “A monolithic multi-channel amplifier for electrode arrays,” Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No. 06CH37748), pp. 4, 2006. View
  • R. F. Weir, P. R. Troyk, G. DeMichele, and D. Kerns, “Technical details of the implantable myoelectric sensor (IMES) system for multifunction prosthesis control,” 2005 27th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No.05CH37611C), pp. 4, 2006. View
  • P. R. Troyk, D. E. A. Detlefsen, and G. A. DeMichele, “A multifunctional neural electrode stimulation ASIC using NeuroTalktrade interface,” Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No. 06CH37748), pp. 4, 2006. View
  • Troyk PR, Detlefsen DEA, DeMichele GA. “A 16-channel stimulator ASIC for use in an intracortical visual prosthesis”. 10th Annual Conference of the International Functional Electrical Stimulation Society. :051-52, 2005. View
  • Troyk PR, Cogan S, DeMichele GA. “Compliance supply-limited driving of iridium oxide (AIROF) electrodes for maintenance in a safe operating region.” 10th Annual Conference of the International Functional Electrical Stimulation Society. :116-117. 2005. View
  • S. F. Cogan, P. R. Troyk, D. E. Detlefsen, J. Ehrlich, T. D. Plante, D. B. McCreery, “Characterization and variability of intracortical iridium oxide microelectrodes” Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, pp 1976 – 1978 (2003) View
  • S. F. Cogan, P. R. Troyk, J. Ehrlich, T. D. Plante, D. B. McCreery, L. Bullara, “Charge-injection waveforms for iridium oxide (AIROF) microelectrodes”, Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, pp 1960 – 1963 (2003) View
  • DeMichele, G.A., Troyk, P.R., “Integrated multi-channel wireless biotelemetry system”, Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, pp 3372 – 3375 (2003) View
  • GA. DeMichele and P. R. Troyk, “Integrated multichannel wireless biotelemetry system,” Proceedings of the 25th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No.03CH37439), pp. 3372-5 Vol.45 Vol.4, 2003. View
  • DeMichele, G.A., Troyk, P.R., “Stimulus-resistant neural recording amplifier”, Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, pp 3329 – 3332 (2003) View
  • GA. DeMichele and P. R. Troyk, “Stimulus-resistant neural recording amplifier,” Proceedings of the 25th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No.03CH37439), pp. 3329-32, Vol.4, 2003. View
  • P. R. Troyk, G.A. DeMichele,“Stimulus-Resistant Neural Recording Amplifier” Proceedings 34th NIH Neural Prosthesis Workshop, NINDS, Bethesda, MD, 2003 View
  • R. F. Weir, P. R. Troyk, G. DeMichele, T. Kuiken, “Implantable myoelectric sensors (IMES) for upper-extremity prosthesis control preliminary work”, Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, 2003, pp 1562 – 1565 (2003) View
  • R. F. Weir, P. R. Troyk, G. DeMichele, and T. Kuiken, “Implantable myoelectric sensors (IMES) for upper-extremity prosthesis control- preliminary work,” Proc of the 25th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No.03CH37439), pp. 1562-5 Vol.25 Vol.2, 2003. View
  • DeMichele, G.A., Troyk, P.R., “Stimulus-resistant neural recording amplifier”, Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, 2003, pp 3329 – 3332 (2003) View
  • Troyk, P.R., DeMichele, G.A., “Inductively-coupled power and data link for neural prostheses using a class-E oscillator and FSK modulation”, Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, 2003, pp 3376 – 3379 (2003) View
  • P. R. Troyk and G. A. DeMichele, “Inductively-coupled power and data link for neural prostheses using a class-E oscillator and FSK modulation,” Proceedings of the 25th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE Cat. No.03CH37439), pp. 3376-9 Vol.49 Vol.4, 2003. View
  • DeMichele, G.A., Troyk, P.R., “Integrated multi-channel wireless biotelemetry system”, Proceedings of EMBS Conference, Cancun, Mexico, September 17-21, 2003, pp 3372 – 3375 (2003) View
  • P. R. Troyk, G. DeMichele, and D. Detlefsen, “Modular VLSI electronic design for implantable neural prostheses,” Conference Proceedings. Second Joint EMBS-BMES Conference 2002. 24th Annual International Conference of the Engineering in Medicine and Biology Society. Annual Fall Meeting of the Biomedical Engineering Society (Cat. No.02CH37392), pp. 2064-5 vol.35 vol.3, 2002. View
  • Troyk, P.R., DeMichele, G.A., Detlefsen, D., “Modular VLSI electronic design for implantable neural prostheses”, Proceedings of the Second Joint EMBS/BMES Conference Houston, TX, USA, pp. 2064 – 2065, October 23-26, (2002)
  • Troyk, P., ”Injectable electrical systems”, Annual Review of Biomedical Engineering, Annual Reviews, Palo Alto CA, Vol.1:177-211 (1999) View
  • Cameron T, Loeb GE, Peck RA, Schulman JH, Strojnik P, Troyk PR.“Micromodular implants to provide electrical stimulation of paralyzed muscles and limbs”, IEEE Trans. Biomed. Eng. 44:781-790 (1997) View
  • P. R. Troyk, M. A. K. Schwan, G. A. DeMichele, G. E. Loeb, J. Schulman, and P. Strojnik, “Microtelemetry techniques for implantable smart sensors,” Proceedings of the SPIE – The International Society for Optical Engineering, vol. 2718, pp. 492-501,  1996. View
  • Ransom, S.A., Herzon, G.D., Troyk, P.R., Schwan, M.A.K., “Development of an inspiratory pressure triggered laryngeal pacer”, IEEE Trans. Rehabilitation Eng., Vol.3, No.4, pp.318-323 (1995) View
  • Troyk, P., Schwan, M., “Micromodules for implanted telemetry and stimulation”, Proceedings 13th International Symposium on Biotelemetry, March, Williamsburg, VA pp. 105-111 (1995) View
  • Troyk, P., Schwan, M., “Modeling of weakly-coupled inductive links”, Proceedings 13th International Symposium on Biotelemetry, March, Williamsburg, VA pp. 63-68 (1995)
  • Schwan, M., Troyk, P., “Suspended carrier modulation for transcutaneous telemetry links”, Proceedings 13th International Symposium on Biotelemetry, March, Williamsburg, VA pp. 27-32 (1995) View
  • Schwan, M., Troyk, P., “Suspended carrier modulation for transcutaneous telemetry links”, Proceedings 13th International Symposium on Biotelemetry, March, Williamsburg, VA pp. 27-32 (1995) View
  • D. Kerns. “CMOS-Compatible micromachining processes,” Tanner Labs Internal Tech Report 971107-AR0143 (November 1997)
  • D. A. Kerns. “IC System integration problems,” EMC Handbook, R. Perez, editor. Chapter on EMC Problem Solving. Academic Press (1995) View
  • D. A. Kerns. “Experiments in very large-scale analog computation,” California Institute of Technology Ph.D. thesis, division of engineering and applied science (1993) View
  • R. G. Benson, D. A. Kerns. “UV-activated conductances allow multiple time scale learning,” IEEE Transactions on Neural Networks Vol. 4, No. 3, pp. 434-440 (May 1993) View
  • D. A. Kerns. “A monolithic UV detector/dosimeter,” Sensors and Actuators A Vol. 39, pp. 225-229 (1993) View
  • Troyk, P.R., Schwan, M.A., “Closed-loop class E transcutaneous power and data link for microimplants”, IEEE Trans. Biomed. Eng., vol.39, no.6 (1992) View
  • Troyk, P.R., Schwan, M.A., “Class E driver for transcutaneous power and data link for implanted electronic devices”, Medical Biological Engineering and Computing., vol. 30, pp.69-75 (1992) View
  • L. Watts, D. Kerns, R. Lyon, C. Mead. “Improved implementation of the silicon cochlea,” IEEE Journal of Solid State Circuits, Vol. 27, No. 5, May 1992, pp. 692-700 (1992) View
  • D. Kirk, D. Kerns, K. Fleischer, A. Barr, B. Anderson. “Gradient descent in analog VLSI using noise injection and correlation,” poster presentation at the conference on Neural Information Processing Systems, Natural and Synthetic (NIPS), Denver, Colorado, December 1-4, (1992)
  • Loeb, G.E., Zamin, C.J., Schulman, J.H., Troyk, P.R., “Injectable microstimulator for functional electrical stimulation, Medical Biological Engineering and Computing”, Vol. 29, NS13-NS19 (1991) View
  • Anderson, J.E., Adams, K.M., Troyk, P.R., Frankovic, R., “Polymer-coated microelectronics: Comparison of bulk, surface and interphase conductivities”, IEEE Trans. Comp., Hybrids, and Manuf. Tech. vol.14, pp.420-427 (1991) View
  • Troyk, P.R., Frankovic R., Anderson J.E., “Experimental techniques for electrical testing of microelectronic coatings”, IEEE Trans Comp., Hybrids, and Mauf. Tech. vol.14, p428-435 (1991) View
  • D. A. Kerns. “Emotions and autonomous machinery,” published in the proceedings of the University of Southern California Center for Neural Engineering Workshop on Emotions, March 18, 1991. Jean-Marc Fellous, editor (1991)
  • S. P. Eberhardt, T. Daud, D. A. Kerns, T. X. Brown, A. P. Thakoor. “Competitive neural architecture for hardware solution to the assignment problem,” Neural Networks Vol. 4, No. 4, 1991, pp. 431-442 (invited paper) (1991) View
  • S. P. Eberhardt, T. Daud, D. A. Kerns, T. X. Brown, A. P. Thakoor. “A limited- connectivity VLSI network for dynamic assignment problems,” poster presentation at Snowbird (1991)
  • D. A. Kerns, J. E. Tanner, M. A. Sivilotti, J. Luo. “CMOS UV-writable non-volatile analog memory,” published in the proceedings of the Advanced Research in VLSI International Conference 1991, Santa Cruz, California. Carlos Sequin, ed. MIT Press, (1991) View
  • D. A. Kerns. “Analysis of a compact second-order resonant circuit,” CNS Memo 12, California Institute of Technology (1991)
  • Loeb, G.E., Zamin, C.J., Schulamn, J.H., Troyk, P.R., “An injectable microstimulator for functional electrical stimulation” Proc. North Sea Conf. Biomed. Eng. 90, Antwerp, November 19-22 (1990) View
  • Anderson J.E., Markovac, V., Kim, I.U., Troyk, P.R., “Novel coatings that maintain low surface-water concentrations, in polymeric materials for electronics packaging and interconnection”, Lupinski, Moore, Eds., ACS Series 407, ACS, Washington, D.C., Chapter 27 (1989) View
  • Troyk, P.R., Conroy, D., Anderson, J.E., “Modeling of triple-track and comb-pattern leakage current measurements in polymeric material for electrical packaging and interconnection”, J.H. Lupinski and R.S. Moore, Eds., ACS Symposium Series No. 407, pp.249-267 (1989) View
  • Troyk, P.R., Anderson, J.E., “The effect of volume resistivity on polymer electrical leakage current measurements” 3rd International SAMPE Elect. Conf. June 20-22, pp.969-982 (1989)
  • Troyk, P.R., Conroy, D., Madigan, M., Anderson, J.E., “Testing of encapsulants for the protection of electronic components.” Proc. ACS Polymeric Mat:Sci & Eng. Vol.59, Los Angeles, pp.497-501 (1988)
  • Troyk, P.R., Anderson, J.E., Markovac, V., “The role of surface contamination in the corrosion of silicone encapsulated thin-film devices” SAMPE Conf. Vol. 1 June 23-25, Santa Clara, CA pp.590-601 (1987) View
  • Anderson, J.E., Markovac, V., P.R. Troyk, “Polymer encapsulants for microelectronics: Mechanisms for protection and failure” IEEE Trans. Circuits, Hybrids, Manuf. Comp.. vol 11, no.1, 1988, pp.152-158 (1987) View
  • Troyk, P.R., Jaeger, R.J., Haklin, M. et.al, “Design and implementation of an implantable goniometer”. IEEE Trans. Biomed. Eng., BME-33, pp.215-223 (1986) View
  • Troyk, P.R., Poyezdala, J., Dubiel, G., “An encapsulated implantable multichannel neuromuscular stimulator” Proc. 39th Ann. Conf. Eng. Med. Biol. Baltimore, Sept 13-16, p.267 (1986)