Otto J. Gregory

  • Distinguished Engineering Professor
  • Chemical, Biomolecular, and Materials Engineering
  • Phone: 401.874.2085
  • Email: ogregory@uri.edu
  • Office Location: Kirk Building, Rm 213
  • ResearchGate

Research

  • Sensors for Harsh Environments: Physical and Chemical Sensors
  • Passive and Active Wireless Sensors
  • RFID Sensors
  • Instrumentation for Gas Turbine Engines
  • Surface Chemistry and Microstructural Analysis
  • Physical Vapor Deposition/Sputtering and Reactive Sputtering
  • Forensic Engineering
  • Chemical Sensors for Trace Detection of Explosives
  • Covalent Ceramics/CMC’s

Education

  • Ph.D., Brown University, 1983
  • M.S., University of Rhode Island, 1977
  • B.S., University of Rhode Island, 1975

Selected Publications

Rivera K, Gregory O. Novel Heat Flux Sensor for SiC-SiC Ceramic Matrix Composite Engine Components. Sensors and Actuators A Physical, 2022; 345(2), 113771. doi: 10.1016/j.sna.2022.113771
Ricci PP, Gregory OJ. Sensors for the detection of ammonia as a potential biomarker for health screening. Scientific Reports, 2021; 11(1), 7185. doi: 10.1038/s41598-021-86686-1
Ricci PP, Gregory OJ. Free-standing, thin-film sensors for the trace detection of explosives. Scientific Reports, 2021; 11(1), 6623. doi: 10.1038/s41598-021-86077-6
Ricci PP, Gregory OJ. Continuous Monitoring of TATP Using Ultrasensitive, Low-Power Sensors. IEEE Sensors Journal, 2020; 20(23), 14058 – 14064. doi: 10.1109/JSEN.2020.3008254
Rivera K, Gregory OJ. ITO:SiC Ceramic Matrix Composite Thermocouples for Engine Components. IEEE Sensors Letters, 2020; 4(5), 9089290. doi:1109/LSENS.2020.2993047
Ricci PP, Rossi AS, Gregory OJ. Orthogonal Sensors for the Trace Detection of Explosives. IEEE Sensors Letters, 2019; 3(10), 1-4. doi: 10.1109/LSENS.2019.2944587
Rossi AS, Ricci P, Gregory OJ. Trace Detection of Explosives Using Metal Oxide Catalysts. IEEE Sensors Journal, 2019; 19(13), 4773-4780. doi: 10.1109/JSEN.2019.2904246
Tian Y, Ghanekar A, Qian L, et al. Near-infrared Optics of Nanoparticles Embedded Silica Thin Films. Optics Express. 2019; 27(4), A148. doi: 10.1364/OE.27.00A148
Rivera K, Ricci M, Gregory O. Diffusion Barrier Coatings for CMC Thermocouples. Surface and Coatings Technology. 2018; 336, 17-21. doi: 10.1016/j.surfcoat.2017.09.032
Rivera K, Gregory O. Strain Gages for SiC-SiC Ceramic Matrix Composite Engine Components. IEEE Sensors Letters. 2018; PP, 1. doi: 10.1109/LSENS.2018.2854828
Ghanekar A, Ricci M, Tian Y, Zhang S, Gregory O, Zheng Y. Dynamic Optical Response of SU-8 Upon UV Treatment. Optical Materials Express. 2018; 8(7), 2017-2025. doi: 10.1364/OME.8.002017
Ghanekar A, Ricci M, Tian Y, Zhang S, Gregory O, Zheng Y. Strain-Induced Modulation of Near-Field Radiative Transfer. Applied Physics Letters. 2018; 112(24), 241104. doi: 10.1063/1.5037468
Tian Y, Ghanekar A, Ricci M, Hyde M, Gregory O, Zheng Y. A Review of Tunable Wavelength Selectivity of Metamaterials in Near-Field and Far-Field Radiative Thermal Transport. Materials. 2018; 11(5), 862. doi: 10.3390/ma11050862
Ghanekar A, Tian Y, Ricci M, Zhang S, Gregory O, Zheng Y. Near-Field Thermal Rectification Devices Using Phase Change Periodic Nanostructure. Optics Express. 2018; 26(2), A209-A218. doi: 10.1364/OE.26.00A209

Patents

  • Gregory, O., Rivera, K., Ricci, M., Inventors: University of Rhode Island Board of Trustees, Assignee. Resistance Temperature Detector (RTD) for Ceramic Matrix Composites. US Patent 10,782,190 September 22, 2020.
  • Gregory, O, Rhoat, J., Rivera, K., Muth, T., Inventors; Rhode Island Council on Postsecondary Education, Assignee. Temperature and Thermal Gradient Sensor for Ceramic Matrix Composites and Methods of Preparation Thereof. US Patent 10,690,551 June 23, 2020.
  • Gregory, O., Wei, T., Grove, G., Inventors: Rhode Island Council on Postsecondary Education, Pilgrim Screw Corporation, Assignees. Metal Fastener With Embedded RFID Tag and Method of Production. US Patent 10,635,963 April 28, 2020
  • Gregory O, Mallin D, Caron Z, Champlin M, Inventors; Systems and Methods for the Detection of Compounds. US Patent 9759699. September 12, 2017
  • Gregory OJ, Conkle JR, Birnbaum TJ, Inventors; Wireless Sensor Technologies LLC, Assignee. Wireless Temperature Measurement System and Methods of Making and Using Same. US Patent 8568026. October 29, 2013
  • Gregory OJ, Conkle JR, Birnbaum TJ, Inventors; Wireless Sensor Technologies LLC, Assignee. Wireless Temperature Measurement System and Methods of Making and Using Same. US Patent 8348504. January 8, 2013
  • Gregory OJ, Chen X, Inventors; Rhode Island Board of Education, Assignee. Low TCR Nanocomposite Strain Gages. US Patent 8191426. June 5, 2012
  • Gregory O, Fralick G, Wrbanek J, You T, Inventors; Rhode Island Board of Education, Assignee. Thin Film Ceramic Thermocouples. US Patent 8052324. November 8, 2011
  • Gregory O, Downey M, Inventors; Rhode Island Board of Education, Assignee. Composite Used for Thermal Spray Instrumentation and Method for Making the Same. US Patent 8048534. November 1, 2011
  • Gregory O, You T, Inventors; Rhode Island Board of Education, Assignee. High Temperature Strain Gages. US Patent 7963171. June 21, 2011
  • Gregory OJ, Conkle J, Shaw JC, Birnbaum T, Inventors; Argon ST Inc, Assignee. Method and System for Passive Wireless Strain Gauge. US Patent 7849752. December 14, 2010
  • Gregory OJ, Fralick GC, Wrbanek JD, Inventors; National Aeronautics and Space Administration, Rhode Island Board of Education, Assignees. Nanocomposites for Thermal Barrier Coatings and Thermoelectric Energy Generators. US Patent 20090290614. November 26, 2009
  • Gregory OJ, Inventor; Council on Postsecondary Education, Rhode Island Board of Education, Assignees. Self-Compensated Ceramic Strain Gage for Use at High Temperatures. US Patent 6729187. May 4, 2004
  • Lucht BL, Euler WB, Gregory OJ, Inventors; Rhode Island Board of Education, Assignee. Thermochromic Polymers for Rapid Visual Assessment of Temperature. US Patent 6706218. March 16, 2004

Recent Grants

7/20/2023. PI. Northeastern University “Soft target Engineering to Neutralize the Threat RealitY (SENTRY).” 
3/10/2023. PI.Pratt & Whitney. “CMC Sensor Development.” 
9/7/2022. Co-PI. Northeastern University. “Dual Use Chemical Sensors Sentry-Soft Target Engineering to Neutralize the Threat Reality.” 
8/22/2022. PI. URI Research Foundation. “Smart Intrinsic Seal Technology using Optical Sensing.”
8/18/2022. PI. Florida International University. “Health Management of Hypersonic Aeroshell: Inverse Determination of Aero-thermo-mechanical State with Arrays of Internal Thin Film Sensors.”
8/11/2022. PI. Florida International University. “Health Management of Hypersonic Aeroshell: Inverse Determination of Aero-thermo-mechanical State with Arrays of Internal Thin Film Sensors.”
2/26/2022. Co-PI. Northeastern/DHS. “Dual Use Chemical Sensors, SENTRY-Soft Target Engineering to Neutralize the Threat Reality.”
1/22/2022. PI. Pratt & Whitney. “Evaluation of High Temperature Sensors for SiC-SiC Ceramic Matrix Composites.”
1/29/2019. PI. Pratt & Whitney. “Evaluation of High Temperature Sensors for SiCSiC Ceramic Matrix Composites.”
1/11/2019. PI. ENrG Inc. “Ultra-Thin Self Powered Sensors for UAV Applications.”
8/29/2018. PI. Greene Tweed & Co., Inc. “RFID for Bolt Identification with Sensing Capability.”
7/27/2018. PI. Pratt & Whitney. “Evaluation of High Temperature Sensors for SiC-SiC Ceramic Matrix Composites”

Additional Links

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