2023

  • “Flexible a-IGZO TFT-Based Circuit for Active Addressing in Neural Stimulation Electrode Arrays.” Advanced Materials Technologies.
    doi: 10.1002/admt.202301046.
    Ovidio Rodríguez-Lopez, Pedro Emanuel Rocha-Flores, Jimin Maeng, Stuart F. Cogan, Joseph J. Pancrazio, Lakshamn Tamil, Walter E. Voit, Gerardo Gutierrez-Heredia
  • “Softening and flexible hybrid electronics integration for biomedical applications.” MRS Communications.
    doi: 10.1557/s43579-023-00431-5.
    Pedro Emanuel Rocha-Flores, Edgar Guerrero, Ovidio Rodríguez-Lopez, Chandani Chitrakar, Ankit R. Parikh, Joseph J. Pancrazio, Stuart F. Cogan, Melanie Ecker, and Walter E. Voit
  • “Behavioral paradigm for the evaluation of stimulation-evoked somatosensory perception thresholds in rats.” Frontiers in Neuroscience.
    doi: 10.3389/fnins.2023.1202258.
    Thomas J. Smith, Yupeng Wu, Claire Cheon, Arlin A. Khan, Hari Srinivasan, Jeffrey R. Capadona, Stuart F. Cogan, Joseph J. Pancrazio, Crystal T. Engineer, and Ana G. Hernandez-Reynoso
  • “Chronic Stability of Local Field Potentials Using Amorphous Silicon Carbide Microelectrode Arrays Implanted in the Rat Motor Cortex.” Micromachines.
    doi: 10.3390/mi14030680.
    Eleanor N. Jeakle, Justin R. Abbott, Joshua O. Usoro, Yupeng Wu, Pegah Haghighi, Rahul Radhakrishna, Brandon S. Sturgill, Shido Nakajima, Teresa T. D. Thai, Joseph J. Pancrazio, Stuart F. Cogan, and Ana G. Hernandez-Reynoso

2022

  • “Increasing the Lifetime of the Implantable Neural Devices.” IEEE International Electron Devices Meeting (IEDM).
    doi: 10.1109/IEDM45625.2022.10019503.
    Christopher K. Nguyen, Balaji Srikanthan, Rajmohan Bhandari, Stuart F. Cogan, and Sandeep Negi
  • “A Novel 3D Helical Microelectrode Array for In Vitro Extracellular Action Potential Recording.” Micromachines.
    doi: 10.3390/mi13101692.
    Negar Geramifard, Jennifer Lawson, Stuart F. Cogan, and Bryan James Black
  • “Recording of pig neuronal activity in the comparative context of the awake human brain.” Scientific Reports.
    doi: 10.1038/s41598-022-19688-2.
    Aksharkumar Dobariya, Tarek Y. El Ahmadieh, Levi B.Good, Ana G. Hernandez‑Reynoso, Vikram Jakkamsetti, Ronnie Brown, Misha Dunbar, Kan Ding, Jesus Luna, Raja Reddy Kallem, William C. Putnam, John M. Shelton, Bret M. Evers, Amirhossein Azami, Negar Geramifard, Stuart F. Cogan, Bruce Mickey, and Juan M. Pascual
  • “Chronic stability of activated iridium oxide film voltage transients from wireless floating microelectrode arrays.” Frontiers in Neuroscience.
    doi: 10.3389/fnins.2022.876032.
    Rebecca A. Frederick, Ellen Shih, Vernon L. Towle, Alexandra Joshi-Imre, Philip R. Troyk, and Stuart F. Cogan
  • “Wireless transmission of voltage transients from a chronically implanted neural stimulation device.” Journal of Neural Engineering.
    doi: 10.1088/1741-2552/ac63ea.
    Rebecca A. Frederick, Philip R. Troyk, and Stuart F. Cogan
  • “Ultramicro-sized sputtered iridium oxide electrodes in buffered saline: Behavior, stability, and the effect of the perimeter to area ratio on their electrochemical properties.” Electrochimica Acta.
    doi: 10.1016/j.electacta.2022.140514.
    Atefeh Ghazavi and Stuart F. Cogan.
  • “High-Energy-Density Sputtered Iridium Oxide Micro-Supercapacitors Operating in Physiological Electrolytes.” Journal of The Electrochemical Society.
    doi: 10.1149/1945-7111/ac6a80.
    Negar Geramifard, Bitan Chakraborty, Behnoush Dousti, Gil S. Lee, and Jimin Maeng.
  • “Insertion mechanics of amorphous SiC ultra-micro scale neural probes.” Journal of Neural Engineering.
    doi: 10.1088/1741-2552/ac5bf4.
    Negar Geramifard, Behnoush Dousti, Christopher Nguyen, Justin Abbott, Stuart F. Cogan, and Victor D. Varner.

2021

  • “The effect of implanted functional electrical stimulation on gait performance in stroke survivors: A systematic review.” Sensors.
    doi: 10.3390/s21248323.
    Gu E. Kang, Rebecca Frederick, Brandon Nunley, Lawrence Lavery, Yasin Dhaher, Bijan Najafi, and Stuart Cogan.
  • “Highly flexible all-solid-state microsupercapacitors for on chip applications using a transfer-free fabrication process .” Journal of Power Sources.
    doi: 10.1016/j.jpowsour.2021.230779.
    Behnoush Dousti, Sachin Babu, Negar Geramifard, M.Y. Choi, J.B. Lee, Stuart F. Cogan, and Gil S Lee.
  • “Effects of Varying Pulse Width and Frequency of Wireless Stimulation in Rat Sciatic Nerve.” Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).
    doi: 10.1109/EMBC46164.2021.9631070.
    Rebecca A. Frederick, Philip R. Troyk, and Stuart F. Cogan.
  • “In Vitro Electrochemical Properties of Titanium Nitride Neural Stimulating and Recording Electrodes as a Function of Film Thickness and Voltage Biasing.” Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).
    doi: 10.1109/EMBC46164.2021.9630715.
    Justin R. Abbott, Alexandra Joshi-Imre, and Stuart F. Cogan.
  • “Sputtered Ruthenium Oxide Neural Stimulation Electrodes.” Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).
    doi: 10.1109/EMBC46164.2021.9630483.
    Bitan Chakraborty, Alexandra Joshi-Imre, and Stuart F. Cogan.
  • “Evaluation of Amorphous Silicon Carbide on Utah Electrode Arrays by Thermal Accelerated Aging.” Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).
    doi: 10.1109/EMBC46164.2021.9629701.
    Christopher K. Nguyen, Justin R. Abbott, Sandeep Negi, and Stuart F. Cogan.
  • “Influence of implantation depth on the performance of intracortical probe recording sites.” Micromachines.
    doi: 10.3390/mi12101158.
    Joshua O. Usoro, Komal Dogra, Justin R. Abbott, Rahul Radhakrishna, Stuart F. Cogan, Joseph J. Pancrazio, and Sourav S. Patnaik.
  • “Charge injection characteristics of sputtered ruthenium oxide electrodes for neural stimulation and recording.” Journal of Biomedical Materials Research Part B: Applied Biomaterials.
    doi: 10.1002/jbm.b.34906.
    Bitan Chakraborty, Alexandra Joshi-Imre, and Stuart F. Cogan.

2020

  • “Activated iridium oxide film (AIROF) electrodes for neural tissue stimulation.” Journal of Neural Engineering.
    doi: 10.1088/1741-2552/abb9bf.
    Rebecca A Frederick, Yasmine Meliane, Alexandra Joshi-Imre, Philip R. Troyk, and Stuart F. Cogan.
  • “Intraneural ultramicroelectrode arrays for function-specific interfacing to the vagus nerve.” Biosensors and Bioelectronics.
    doi: 10.1016/j.bios.2020.112608.
    Atefeh Ghazavi, María A. González-González, Mario I. Romero-Ortega, and Stuart F. Cogan.
  • “A High Energy Density 2D Microsupercapacitor Based on an Interconnected Network of a Horizontally Aligned Carbon Nanotube Sheet.” ACS Applied Materials & Interfaces.
    doi: 10.1021/acsami.0c15319.
    Behnoush Dousti, Ye Il Choi, Stuart F. Cogan, and Gil S. Lee.
  • “Sputtered ruthenium oxide coatings for neural stimulation and recording electrodes.” Journal of Biomedical Materials Research Part B: Applied Biomaterials.
    doi: 10.1002/jbm.b.34728.
    Bitan Chakraborty, Alexandra Joshi-Imre, Jimin Maeng, and Stuart F. Cogan.
  • Evaluating Microelectrode Arrays in Peripheral Nerve Using Micro Computed Tomography. Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).
    doi: 10.1109/EMBC44109.2020.9176598.
    Rebecca A. Frederick, Ryan Margolis, Kenneth Hoyt, and Stuart F. Cogan.
  • Selective Wireless Stimulation of Rat Sciatic Nerve. Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).
    doi: 10.1109/EMBC44109.2020.9175335.
    Rebecca A. Frederick, Philip R. Troyk, and Stuart F. Cogan.
  • Electrochemical characteristics of ultramicro-dimensioned SIROF electrodes for neural stimulation and recording. Journal of Neural Engineering.
    doi: 10.1088/1741-2552/ab52ab.
    Atefeh Ghazavi, Jimin Maeng, Michael Black, Shreyas Salvi, and Stuart F. Cogan.

2019

  • “Ruthenium oxide based microelectrode arrays for in vitro and in vivo neural recording and stimulation.” Acta Biomaterialia.
    doi: 10.1016/j.actbio.2019.10.040.
    Rahul Atmaramani, Bitan Chakraborty, Rashed T. Rihani, Joshua Usoro, Audrey Hammack, Justin Abbott, Patrick Nnoromele, Bryan J. Black, Joseph J. Pancrazio, Stuart F. Cogan.
  • “High‐charge‐capacity sputtered iridium oxide neural stimulation electrodes deposited using water vapor as a reactive plasma constituent.” Journal of Biomedical Materials Research Part B: Applied Biomaterials.
    doi: 10.1002/jbm.b.34442.
    Jimin Maeng, Bitan Chakraborty, Negar Geramifard, Tong Kang, Rashed T. Rihani, Alexandra Joshi‐Imre, and Stuart F. Cogan.
  • “Electrochemical Characteristics of Ultramicro-Dimensioned SIROF Electrodes for Neural Stimulation and Recording.” Journal of Neural Engineering.
    doi: 10.1088/1741-2552/ab52ab.
    Atefeh Ghazavi, Jimin Maeng, Michael Black, Shreyas Salvi, and Stuart Cogan.
  • “Ruthenium Oxide Based Microelectrode Arrays for in Vitro and in Vivo Neural Recording and Stimulation.” Acta Biomaterialia.
    doi: 10.1016/j.actbio.2019.10.040.
    Rahul Atmaramani, Bitan Chakraborty, Rashed T. Rihani, Joshua Usoro, Audrey Hammack, Justin Abbott, Patrick Nnoromele, Bryan J. Black, Joseph J. Pancrazio, and Stuart F. Cogan.
  • “Chronic Recording and Electrochemical Performance of Amorphous Silicon Carbide-Coated Utah Electrode Arrays Implanted in Rat Motor Cortex.” Journal of Neural Engineering.
    doi: 10.1088/1741-2552/ab1bc8.
    Alexandra Joshi-Imre, Bryan J. Black, Justin Abbott, Aswini Kanneganti, Rashed Rihani, Bitan Chakraborty, Vindhya R. Danda, Jimin Maeng, Rohit Sharma, Loren Rieth, Sandeep Negi, Joseph J. Pancrazio, and Stuart F. Cogan.
  • “High-Charge-Capacity Sputtered Iridium Oxide Neural Stimulation Electrodes Deposited Using Water Vapor as a Reactive Plasma Constituent.” Journal of Biomedical Materials Research Part B: Applied Biomaterials.
    doi: 10.1002/jbm.b.34442.
    Jimin Maeng, Bitan Chakraborty, Negar Geramifard, Tong Kang, Rashed T. Rihani, Alexandra Joshi-Imre, and Stuart F. Cogan.
  • “Chronic Stability of Local Field Potentials from Standard and Modified Blackrock Microelectrode Arrays Implanted in the Rat Motor Cortex.” Biomedical Physics & Engineering Express.
    doi: 10.1088/2057-1976/ab4c02.
    Joshua O. Usoro, Ellen Shih, Bryan J. Black, Rashed T. Rihani, Justin Abbott, Bitan Chakraborty, Joseph J. Pancrazio, and Stuart F. Cogan.
  • “Miniature electroparticle-cuff for wireless peripheral neuromodulation.” Journal of Neural Engineering.
    doi: 10.1088/1741-2552/ab1c36.
    Ana G. Hernandez-Reynoso, Shrenevas Nandam, Jonathan M. O’Brien, Aswini Kanneganti, Stuart F. Cogan, Daniel K. Freeman, and Mario I. Romero-Ortega.

2018

  • “Neural interfaces based on amorphous silicon carbide ultramicroelectrode arrays.” Bioelectronics in Medicine.
    doi: 10.2217/bem-2018-0006.
    Felix Deku, Atefeh Ghazavi, and Stuart F. Cogan.
  • “Thin Film Multi-Electrode Softening Cuffs for Selective Neuromodulation.” Scientific Reports.
    doi: 10.1038/s41598-018-34566-6.
    María A. González-González, Aswini Kanneganti, Alexandra Joshi-Imre, Ana G. Hernandez-Reynoso, Geetanjali Bendale, Romil Modi, Melanie Ecker, Ali Khurram, Stuart F. Cogan, Walter E. Voit, and Mario I. Romero-Ortega.
  • “Effect of oxidation on intrinsic residual stress in amorphous silicon carbide film.” Journal of Biomedical Materials Research Part B: Applied Biomaterials.
    doi: 10.1002/jbm.b.34258.
    Felix Deku, Shakil Mohammed, Alexandra Joshi-Imre, Jimin Maeng, Vindhya Danda, Timothy J. Gardner, and Stuart F. Cogan.
  • “Amorphous Silicon Carbide Platform for Next Generation Penetrating Neural Interface Designs.” Micromachines.
    doi: 10.3390/mi9100480.
    Felix Deku, Christopher L. Frewin, Allison Stiller, Yarden Cohen, Saher Aqeel, Alexandra Joshi-Imre, Bryan Black, Timothy J. Gardner, Joseph J. Pancrazio, and Stuart F. Cogan.
  • “Chronic Recording and Electrochemical Performance of Utah Microelectrode Arrays Implanted in Rat Motor Cortex.” Journal of Neurophysiology.
    doi: 10.1152/jn.00181.2018.
    Bryan J. Black, Aswini Kanneganti, Alexandra Joshi-Imre, Rashed Rihani, Bitan Chakraborty, Justin Abbott, Joseph J. Pancrazio, and Stuart F. Cogan.
  • “Electrodeposited Iridium Oxide on Carbon Fiber Ultramicroelectrodes for Neural Recording and Stimulation.” Journal of The Electrochemical Society.
    doi: 10.1149/2.0401809jes.
    Felix Deku, Alexandra Joshi-Imre, Alket Mertiri, Timothy J. Gardner, and Stuart F. Cogan.
  • “Electrochemical characterization of high frequency stimulation electrodes: role of electrode material and stimulation parameters on electrode polarization.” Journal of Neural Engineering.
    doi: 10.1088/1741-2552/aa8f8b.
    Atefeh Ghazavi and Stuart F. Cogan.
  • “Amorphous Silicon Carbide Ultramicroelectrode Arrays for Neural Stimulation and Recording.” Journal of Neural Engineering.
    doi: 10.1088/1741-2552/aa9f31.
    Felix Deku, Yarden Cohen, Alexandra Joshi-Imre, Aswini Kanneganti, Timothy J. Gardner, and Stuart F. Cogan.
  • “Carbon Fiber on Polyimide Ultra-Microelectrodes.” Journal Neural Engineering.
    doi: 10.1088/1741-2552/aa8c88.
    Winthrop F. Gillis, Charles A. Lissandrello, Jun Shen, Ben W. Pearre, Alket Mertiri, Felix Deku, Stuart Cogan, Bradley J. Holinski, Daniel J. Chew, Alice E. White, Timothy M. Otchy, and Timothy J. Gardner.

2017

  • “Thinking Small: Progress on Microscale Neurostimulation Technology.” Neuromodulation.
    doi: 10.1111/ner.12716.
    Joseph J. Pancrazio, Felix Deku, Atefeh Ghazavi, Allison M. Stiller, Rashed Rihani, Christopher L. Frewin, Victor D. Varner, Timothy J. Gardner, Stuart F. Cogan.
  • “A Sub-millimeter, Inductively Powered Neural Stimulator.” Frontiers in Neuroscience.
    doi: 10.3389/fnins.2017.00659.
    Daniel K. Freeman1, Jonathan M. O’Brien, Parshant Kumar, Brian Daniels, Reed A. Irion, Louis Shraytah, Brett K. Ingersoll, Andrew P. Magyar, Andrew Czarnecki, Jesse Wheeler, Jonathan R. Coppeta, Michael P. Abban, Ronald Gatzke, Shelley I. Fried, Seung Woo Lee, Amy E. Duwel, Jonathan J. Bernstein, Alik S. Widge, Ana Hernandez-Reynoso, Aswini Kanneganti, Mario I. Romero-Ortega, and Stuart F. Cogan.

2016

  • “Silicon Carbide as a Robust Neural Interface.” ECS Transactions.
    doi: 10.1149/MA2016-02/35/2248.
    Stuart F. Cogan, Kip A. Ludwig, Cristin G. Welle, and Pavel Takmakov.
  • “Tissue Damage Thresholds During Therapeutic Electrical Stimulation.” Journal Neural Engineering.
    doi: 10.1088/1741-2560/13/2/021001.
    Stuart F. Cogan, Kip A. Ludwig, Cristin G. Welle, and Pavel Takmakov.
  • “In Vivo Characterization of Amorphous Silicon Carbide as a Biomaterial for Chronic Neural Interfaces.” Frontiers in Neuroscience.
    doi: 10.3389/fnins.2016.00301    .
    Gretchen L. Knaack, Daniel G. McHail, German Borda, Beomseo Koo, Nathalia Peixoto, Stuart F. Cogan, Theodore C. Dumas, and Joseph J. Pancrazio.
  • “SiC Protective Coating for Photovoltaic Retinal Prosthesis.” Journal of Neural Engineering.
    doi: 10.1088/1741-2560/13/4/046016.
    Xin Lei, Sheryl Kane, Stuart F. Cogan, Henri Lorach, Ludwig Galambos, Philip Huie, Keith Mathieson, Theodore Kamins, James Harris, and Daniel Palanker.
  • “Correlations between Histology and Neuronal Activity Recorded by Microelectrodes Implanted Chronically in the Cerebral Cortex.” Journal of Neural Engineering.
    doi: 10.1088/1741-2560/13/3/036012.
    Douglas McCreery, Stuart F. Cogan, Sheryl Kane, and Victor Pikov.

Selected

  • “The Effect of Electrode Geometry on Electrochemical Properties Measured in Saline.” Conf Proc IEEE Eng Med Biol Soc (2014): 6850-53.
    doi: 10.1109/EMBC.2014.6945202.
    Stuart F. Cogan, Julia Ehrlich, and Timothy D. Plante.
  • “Electrical Performance of Penetrating Microelectrodes Chronically Implanted in Cat Cortex.” IEEE Transactions On Biomedical Engineering 60, no. 8 (2013): 2153-60.
    doi: 10.1109/TBME.2013.2248152.
    Sheryl R. Kane, Stuart F. Cogan, Julia Ehrlich, Timothy D. Plante, Douglas B. McCreery, and Philip R. Troyk.
  • “Contribution of Oxygen Reduction to Charge Injection on Platinum and Sputtered Iridium Oxide Neural Stimulation Electrodes.” IEEE Trans Biomed Eng 57, no. 9 (2010): 2313-21.
    doi: 10.1109/TBME.2010.2050690.
    Cogan, Stuart F., Julia Ehrlich, Timothy D. Plante, Marcus D. Gingerich, and Douglas B. Shire.
  • “Neural Stimulation and Recording Electrodes.” Annu Rev Biomed Eng 10 (2008): 275-309.
    doi: 10.1146/annurev.bioeng.10.061807.160518.
    Stuart F. Cogan.
  • “Assessing Polarization of AIROF Microelectrodes.” Conf Proc IEEE Eng Med Biol Soc (2007): 1726-29.
    doi: 10.1109/IEMBS.2007.4352643.
    Philip R. Troyk, Z. Hu, and Stuart F. Cogan.
  • “In Vitro and in Vivo Charge Capacity of AIROF Microelectrodes.” Conf Proc IEEE Eng Med Biol Soc 1 (2006): 886-89.
    doi: 10.1109/IEMBS.2006.259869.
    Z. Hu, Philip R. Troyk, T. P. Brawn, D. Margoliash, and Stuart F. Cogan.
  • “In Vitro Comparison of the Charge-Injection Limits of Activated Iridium Oxide (AIROF) and Platinum-Iridium Microelectrodes.” IEEE Trans Biomed Eng 52, no. 9 (2005): 1612-4.
    doi: 10.1109/TBME.2005.851503.
    Stuart F. Cogan, Philip R. Troyk, Julia Ehrlich, and Timothy D. Plante.
  • “Sputtered Iridium Oxide Films (SIROFs) for Low-Impedance Neural Stimulation and Recording Electrodes.” Conf Proc IEEE Eng Med Biol Soc 6 (2004): 4153-6.
    doi: 10.1109/IEMBS.2004.1404158.
    Stuart F. Cogan, Timothy D. Plante, and Julia Ehrlich.