Publications

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

2016

Tawakol O, Bredeson SD, Troyk PR, “Preparation of a neural electrode implantation device for in-vivo surgical use,” 38th Annual International Conference of the IEEE EMBS, Aug 2016. View

2015

Troyk PR, Bredeson SD, Cogan SF, Romero-Ortega M, Suh S, Hu Z, Kanneganti A, Granja-Vazquez R, Seifert J, Bak M, “In-vivo tests of a 16-channel implantable wireless neural stimulator,” 7th International IEEE EMBS Conference on Neural Engineering, pp. 474-477, Apr 2015. View
Kaskhedikar G, Yang L, Boucher T, Troyk PR, Dagnelie G, “Development of Mapping Methods with Simulated Phosphenes for Implementation in Intracortical Visual Prosthesis Recipients,” Annual meeting of ARVO, May 2015. View
Bredeson SD, Kanneganti A, Deku F, Cogan SF, Romero-Ortega M, Troyk PR, “Chronic in-vivo testing of a 16-channel implantable wireless neural stimulator,” 37th Annual International Conference of the IEEE EMBS, pp. 1017-1020, Aug 2015. View

2014

Bredeson SD, Troyk PR, “Device for the implantation of neural electrode arrays,” 36th Annual International Conference of the IEEE EMBS, pp. 434-437, Aug 2014. View
Suh S, Troyk PR, Hu Z, “Accelerated-stress reliability evaluation for an encapsulated wireless cortical stimulator,” 36th Annual International Conference of the IEEE EMBS, pp. 442-445, Aug 2014. View

2013

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

2012

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

2009

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

2008

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.

2007

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

2006

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

2005

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

2003

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

2002

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)

1999

Troyk, P., ”Injectable electrical systems”, Annual Review of Biomedical Engineering, Annual Reviews, Palo Alto CA, Vol.1:177-211 (1999) View

1997

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
D. Kerns. “CMOS-Compatible micromachining processes,” Tanner Labs Internal Tech Report 971107-AR0143 (November 1997)

1996

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

1995

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. A. Kerns. “IC System integration problems,” EMC Handbook, R. Perez, editor. Chapter on EMC Problem Solving. Academic Press (1995) View

1993

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

1992

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)

1991

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)

1990

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

1989

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)

1988

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)

1987

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

1986

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)