Sudhir Shrestha, Ph.D.

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Dr. Shrestha's research aims to develop Smart Sensing Systems for health and other applications.

Current Reserch Projects:
Smart Sensor for Detecting Hypoglycemia from Human Breath

Students: Matthew Hutchinson, Matthew Boubin (Miami University)

Detection and Source Classification of Indoor Air Pollutants
Jonah Baumgartner, Yan-Ting Chen (Miami University)

Funding Sources:
SSU Start-up Funds
National Science Foundation, Smart and Connected Health Program (NSF award #1502310)

Patents:
• Transmission Delay Based RFID Tag, US Patent No. 8736452, issued: May 27, 2014.
• Wearable Microstrip Antennas for Skin Placement for Biomedical Applications, US Patent No. 20110245653 A1, issued: Jun. 2, 2015.
• Layer-by-Layer Assembled Nanoparticles Based Thin Films for Solar Cells and other Applications, US Patent No. 9,444,003 B2, issued: Sep. 13, 2016.
• Paper-Based Lithium-Ion Batteries, US Patent No. 9.472.832 B2, issued: Oct. 18, 2016.
• Low Power Wireless Sensor System with Ring Oscillator and Sensors for Use in Monitoring of Physiological Data, US Patent Application, No. 14/685,298, filed: Apr. 13, 2015.
• Hypoglycemia Signature in Human Breath, Nanosensor Array and Smart Sensor for its Detection, US Provisional Patent Application, No. 62/146,753, filed: Apr. 13, 2015.
• Volatile Organic Compound Sensors, and Methods of Making and Using the Same, US Patent Application, No. 14/685,231, filed: Apr. 13, 2015

Publications:
Five Significant Publications
:
• S. Shrestha, M. D. Balachandran, M. Agarwal, V. V. Phoha, and K. Varahramyan, “A Chipless RFID Sensor System for Cyber Centric Monitoring Applications” IEEE Transactions on Microwave Theory and Techniques, vol. 57, no. 5, pp. 1303-1309, 2009. [100+ citations (scholar.google.com)]
• S. Shrestha, M. D. Balachandran, M. Agarwal, Li-Hi Zou, and K. Varahramyan, “A Method to Measure Radar Cross Section Parameters of Antennas,” IEEE Transactions on Antennas and Propagation, vol. 55, no. 11, pp. 3494-3500, 2008.
• S. Shrestha, et al., “Breast Tumor Detection by Flexible Wearable Antenna System,” International Journal of Computer Aided Engineering and Technology, vol. 4, no. 6, pp. 499-516, 2012.
• A. Daneshkhah, S. Shrestha, et al., “Poly(Vinylidene Fluoride-Hexafluoropropylene) Composite Sensors for Volatile Organic Compounds Detection in Breath,” Sensor and Actuators B, Vol. 221, pp. 635-643, 2015.
• A. Siegel, A. Daneshkhah, D. Hardin, S. Shrestha, et al., “Analyzing Breath Samples of Hypoglycemic Events in Type 1 Diabetes Patients: Towards Developing an Alternative to Diabetes Alert Dogs,” Journal of Breath Research, Vol. 11, No. 2, Jun. 2017.

All Publications (Peer-Reviewed Journal Articles and Conference Proceedings):
• S. Shrestha, et al., “Transmission Line Reflection and Delay-Based ID Generation Scheme for RFID and Other Applications,” Int. J. Radio Frequency Identification Technology and Applications, vol. 1, no. 4, pp. 401-416, 2007.
• M. D. Balachandran, S. Shrestha, et al., “SnO2 Capacitive Sensor Integrated with Microstrip Patch Antenna for Passive Wireless Detection of Ethylene Gas,” IEE Electronics Letters, vol. 44, no. 7, pp. 464-466, 2008.
• S. Shrestha, et al., “A Chipless Sensor Tag Based RFID Technology for Cyber-Oriented Environment Sensing Applications,” Proc. of the SPIE Symposium on Defense, Security and Sensing, Orlando, vol. 7352, pp. 1-11, 2009.
• S. Shrestha, et al., “Microstrip Antenna for Direct Human Skin Contact Placement for Biomedical and Other Applications,” Proc. of the Progress in Electromagnetic Research, Cambridge, USA, pp. 923-931, 2010.
• M. Agarwal, S. Shrestha, et al., “Layer-by-Layer Assembly of CIS Nanoparticles,” Proc. of the ASME 2010 International Manufacturing Science and Engineering Conference, Erie, PA, vol. 2, pp. 415-418, 2010.
• S. Shrestha, et al., “CIGS Nanoparticles for Solar Cell Application: Synthesis and Characterization,” in IEEE Int. Conf. on Electro/Information Technology, Indianapolis, IN, May 6-8, 2012.
• M. Rizkalla, et al., “Raman Spectroscopy for Human Cancer Tissue Diagnosis: A Pattern Recognition Approach,” Journal of Biomedical Science and Engineering, vol. 5, no. 12A, pp. 892-900, 2012.
• M. Agarwal, M. D. Balachandran, S. Shrestha, and K. Varahramyan, “SnO2 Nanoparticles-based Passive Capacitive Sensor for Ethylene Detection,” Journal of Nanomaterials, vol. 2012, no. 145406, pp. 1-5, 2012.
• S. Shrestha, et al., “Flexible Microstrip Antenna for Skin Contact Application,” International Journal of Antennas and Propagation, vol. 2012, no. 745426, pp. 1-5, 2012.
• A. Hemati, S. Shrestha, et al., “Layer-by-Layer (LbL) Nanoassembly of Copper Indium Gallium Selenium (CIGS) Nanoparticles Films for Solar Cell Applications,” J. of Nanomaterials, vol. 2012, no. 512409, pp. 1-6, 2012.
• N. Aliahmad, M. Agarwal, S. Shrestha, and K. Varahramyan, “Paper-Based Lithium-Ion Batteries Using Carbon Nanotube-Coated Wood Microfibers,” IEEE Transactions on Nanotechnology, vol. 12, no. 3, pp. 408-412, 2013.
• N. Aliahmad, M. Agarwal, S. Shrestha, and K. Varahramyan, “Paper Based Lithium Magnesium Oxide Battery,” Proc. of the 2013 Manufacturing Science and Engineering Conference, Madison, Wisconsin, USA, Jun. 10-14, 2013.
• R. Vittoe, T. Ho, S. Shrestha, et al., “All Solution-Based Fabrication of CIGS Solar Cell,” Proc. of the 2013 Manufacturing Science and Engineering Conference, Madison, Wisconsin, USA, Jun. 10-14, 2013.
• M. Rizkalla, et al., “Integration of Knowledge in Engineering/Science via Nanotechnology Programs,” Proc. of the American Society for Engineering Education 2011 Annual Conf., Jun. 2011.
• M. Agarwal, et al., “Impact of Nanotechnology Themed Learning Community (TLC) Program in Freshmen Engineering,” Proc. of 121st ASEE Annual Conference and Exposition, Paper ID 9570, 8 pages, Jun. 2014.
• M. Agarwal, et al., “Impact of Themed Learning Community Program in Freshman Engineering on Nanotechnology Education,” Proc. of the 120th ASEE Annual Conference and Exposition, Atlanta, GA, Jun. 23-26, 2013.
• M. Rizkalla, et al., “Impacts of New Modes of Instructions for Nanotechnology Education within Engineering and Science Programs,” Proc. of the 120th ASEE Annual Conference and Exposition, Atlanta, GA, Jun. 23-26, 2013.
• M. Agarwal, et al., “A Novel Model for Integrating Nanotechnology Track into Engineering Programs,” Journal of Nano Education, vol. 5, no. 2, pp. 135-141, 2013.
• M. Rizkalla, et al., “Impact of Multidisciplinary Nanotechnology Curricula on Engineering and Science Programs,” Proc. of 121st ASEE Annual Conference and Exposition, Paper ID 10093, 11 pages, Jun. 2014.
• Y.-T. Chen,  et al., “Electronic Nose for Ambient Detection and Monitoring,” Proc. Of SPIE Defense and Commercial Sensing Conference, Anaheim, CA, Apr. 9-13.
• R. Verma, et al., “Carbon Nanotube-Based Microstrip Antenna Gas Sensor,” Proc. of the IEEE 56th Int. Midwest Symp. on Circuits and Systems, Columbus, OH, Aug. 4-7, 2013.
• H. Jafarian, A. Daneshkhah, S. Shrestha, et al., “Temperature-stable, Low-Power Ring Oscillator Design for ASIC Applications,” Proc. of SPIE 9106, Advanced Environmental, Chemical, and Biological Sensing Technologies XI, Vol. 910601, pp. 1-7, May 2014.
• A. Daneshkhah, S. Shrestha, et al. “PPy/PMMA/PEG-based Sensor for Low-Concentration Acetone Detection,” Proc. of SPIE 9107, Smart Biomedical and Physiological Sensor Technology XI, Vol. 910712, pp. 1-8, May 2014.
• N. Aliahmad, S. Shrestha, et al., “Poly(Vinylidene Fluoride-Hexafluoropropylene) Polymer Electrolyte for Paper-Based and Flexible Battery Applications,” AIP Advances, Vol. 6, No. 065206, pp. 1-8, Jun. 2016.
• A. Daneshkhah, S. Shrestha,  et al., “Cross-Selectivity Enhancement of Poly(Vinylidene Fluoride-Hexafluoropropylene)-Based Sensor-Array for detecting Acetone and Ethanol MDPI Sensors, Vol. 17(3), 16 pages, Mar. 2017.

Email: Sudhir.Shrestha@Sonoma.edu