Oregon State SIM Lab

Sensors and Integrated Microelectronics Laboratory

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Peer-Reviewed Publications

2024

• J. Karam, A. Shaevitz, J.R. Davidson, and M.L. Johnston, "Shape sensing stretchable sensor grid towards camera-less motion capture," 2024 IEEE SENSORS, Kobe, Japan, Oct. 2024. To Appear.
• T.-H. Chou^*, S. Yu^*, C. Wilson, J. Dawes, J. Park, and M.L. Johnston, "An impedance measurement system-on-chip for flow cytometry with on-chip size classification," 2024 IEEE Biomedical Circuits and Systems Conference (BioCAS), Xi'an, China, Oct. 2024. To Appear.
• J. Park and M.L. Johnston, "A sub-0.1% THD sinusoidal-signal generator for impedance measurement using a delta-sigma-modulated look-up table," IEEE Transactions on Circuits and Systems II: Express Briefs, Accepted.
  
• S. Yu and M.L. Johnston, "A 99.1-dB SFDR, 87.1-dB SNDR, 50-kS/s 3rd-order continuous-time incremental ADC with current-controlled-oscillator quantizer," IEEE Transactions on Circuits and Systems II: Express Briefs, Accepted.
  
• J. Dawes, T.-H. Chou, B. Shen, M.L. Johnston, "Microfluidic lab-on-CMOS packaging using wafer-level molding and 3D-printed interconnects," IEEE Transactions on Biomedical Circuits and Systems, Accepted.
  
• M. Li, R. Gao, C. Wilson, A. Basak, E. Markwell, M.L. Johnston, U. Moon, "An easy-to-drive discrete-time ADC topology using digital predictive level-shifting," IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, May 2024.
• C. Wilson and M.L. Johnston, "Multi-Segment stretchable strain sensor using time domain reflectometry," IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, May 2024.



2023

• J. Dawes, T.-H. Chou, M.L. Johnston, "Lab-on-CMOS packaging using wafer-level molding and direct-write 3D-printed interconnects," 2023 IEEE Biomedical Circuits and Systems Conference (BioCAS), Toronto, Canada, Oct. 2023.
  
• H. Bialek, M.L. Johnston, and A. Natarajan, "A highly-integrated distributed mixer receiver for low-power wireless radios," IEEE Journal of Solid-State Circuits, vol. 58, no. 12, pp. 3421-3432, 2023.
  → Invited Paper
  
• J. Dawes, A. Estenson, M.L. Johnston, "Contact resistance of 3D-printed interconnects to thin-film metals for advanced packaging," 2023 IEEE Conference on Electrical Performance of Electronic Packaging and Systems (EPEPS), Milpitas, CA, Oct. 2023.
  
• E. Fu, K. Khederlou, N. Lefevre, S.A. Ramsey, M.L. Johnston, and L. Wentland. "Progress on electrochemical sensing of pharmaceutical drugs in complex biofluids," Chemosensors, vol. 1, no. 467, 2023.
• S. Yu, T.-H. Chou, S. Bose, J. Cook, J. Park, and M.L. Johnston, "A reconfigurable tri-mode frequency-locked loop readout circuit for biosensor interfaces," IEEE Transactions on Biomedical Circuits and Systems, vol. 17, no. 4, pp. 768-781, 2023.
  → Invited Paper
  
• T.-H. Chou, S. Yu, S. Bose, J. Cook, J. Park, and M.L. Johnston, "Wireless, multi-sensor system-on-chip for pH and amperometry powered by body heat," IEEE Transactions on Biomedical Circuits and Systems, vol. 17, no. 4, pp. 782-794, 2023.
  → Invited Paper
  
• C. Wilson, J. Karam, C. Votzke, F. Rozaidi, C.J. Palmer, R.L. Hatton, and M.L. Johnston, "Modular sensor integration into soft robots using stretchable wires for nuclear infrastructure inspection and radiation spectroscopy," 2022 IEEE-RAS 6th International Conference on Soft Robotics (RoboSoft), Singapore, April 2023.
• A. Shaevitz, M.L. Johnston, and J.R. Davidson, "Design, characterization, and modeling of barometric tactile sensors for underwater applications," 2022 IEEE-RAS 6th International Conference on Soft Robotics (RoboSoft), Singapore, April 2023.
• J. Park and M.L. Johnston, "A sinusoidal-signal generator using a delta-sigma modulated look-up table and analysis of dither," to be presented at the IEEE International Symposium on Circuits and Systems (ISCAS), May. 2023, and published in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no. 5, pp. 1764-1768.
  → Invited Paper
• C.V. Fengel, S. Yu, J. Kim, M.L. Johnston, and E.D. Minot "Multiplexed detection of spike patterns using active graphene neurosensors," IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, May 2023.
• J. Kim and M.L. Johnston, "One-wire frequency-division multiplexing multi-channel biopotential active electrode with harmonic cancellation," IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, May 2023.
• R. Kinast, F.G. Sanchez, J.P. Rees, K. Yeh, S.K. Gardiner, J. Dawes, M.L. Johnston, J.D. Porter, V. Klei, S.L. Mansberger "Eye drop adherence with an eye drop bottle cap monitor," Journal of Glaucoma, In Press, 2023.
• L. Wentland, J. Cook, J. Minzlaff, S.A. Ramsey, M.L. Johnston, and E. Fu "Field-use device for the electrochemical quantification of carbamazepine levels in a background of human saliva," Journal of Applied Electrochemistry, vol. 53, pp. 523–534, 2023.
• S. Sengupta and M.L. Johnston, "A SiPM-based gamma spectrometer with field-programmable energy binning for data-efficient isotope analysis," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 70, no. 3, pp. 1133-1146, March 2023.
  → Invited Paper
  
• H. Bialek, M.L. Johnston, and A. Natarajan, "A 0.4GHz to 0.95GHz distributed N-path noise-cancelling ultra-low power RX with integrated passives achieving -85dBm/100kb/s sensitivity, -41dB SIR and 174dB RX FoM in 22nm CMOS," IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, Feb. 2023.



2022

• S. Yu, T.-H. Chou, J. Cook, J. Park, and M.L. Johnston, "A reconfigurable tri-mode frequency-locked loop readout circuit for sensor interfaces," 2022 IEEE Biomedical Circuits and Systems Conference (BioCAS), Taipei, Taiwan, Oct. 2022.
  → IEEE BioCAS 2022 Best Paper Award
• T.-H. Chou, S. Yu, J. Cook, J. Park, S. Bose, and M.L. Johnston, "Body-heat powered biosensor readout using current-mode relaxation oscillators," 2022 IEEE Biomedical Circuits and Systems Conference (BioCAS), Taipei, Taiwan, Oct. 2022.
• B. Shen, J. Dawes, and M.L. Johnston, "A 10MΩ, 50kHz-40MHz impedance measurement architecture for source-differential flow cytometry," IEEE Transactions on Biomedical Circuits and Systems, vol. 16, no. 5, pp. 766-778, 2022.
• S. Yu and M.L. Johnston, "A 1μW activity-aware asynchronous delta modulator with automated dual-mode operation," 65th IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), August 2022.
  → 1st Place, Best Student Paper Contest
• J. Dawes and M.L. Johnston, "Direct-write 3D-printing of interconnects for fan-out wafer-level packaging," IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), July 2022.
• K. Clocker, C. Hu, R. Albertani, and M.L. Johnston, "Autonomous sensor system for wind turbine blade collision detection," IEEE Sensors Journal, vol. 22, no. 12, pp. 11382-11392, 2022.
  → Invited Paper
  
• A. Hasler, C. Votzke, C. Wilson, S. Lam, J. Kim, and M.L. Johnston, "Stretchable electronics fabrication techniques for wearable glove sensors using encapsulated liquid metal paste," 20th Annual Opportunity Research Scholars Symposium (ORSS), Atlanta, GA, pp. 20-22, May 2022.
• C. Votzke, Y. Mengüç, and M.L. Johnston, "Self-sensing, stretchable, active circuit arrays: Liquid metal paste as a combination interconnect and strain sensor," 2022 IEEE 5th International Conference on Soft Robotics (RoboSoft), Edinburgh, Scotland, pp. 644-650, April 2022.
• H. Bialek, S. Ahasan, A. Binaie, K. R. Sadagopan, M. L. Johnston, H. Krishnaswamy, and A. Natarajan, "A passive wideband noise-cancelling mixer-first architecture with shared antenna interface for interferer-tolerant wake-up receivers and low-noise primary receivers," IEEE Journal of Solid-State Circuits, vol. 57, no. 9, pp. 2611-2625, 2022.
  → Invited Paper
  
• B. Shen, S. Bose, and M.L. Johnston, "A frequency-locked oscillator using complex RC impedance IQ-balancing," IEEE Journal of Solid-State Circuits, vol. 57, no. 3, pp. 677-687, 2022.
  → Invited Paper
  



2021

• J. Kim, H. Ouh, and M.L. Johnston, "Multi-channel biopotential acquisition system using frequency-division multiplexing with cable motion artifact suppression," IEEE Transactions on Biomedical Circuits and Systems, vol. 15, no. 6, pp. 1419-1429, 2021.
  
• D. John, T. Tae-Hyoung Kim, and M.L. Johnston, "Guest editorial: Special issue on selected papers From ISCAS 2021," IEEE Transactions on Biomedical Circuits and Systems, vol. 15, no. 6, pp. 1126-1128, 2021.
  
• B. Shen, J. Dawes, and M.L. Johnston, "A 6pArms 50kHz - 40MHz impedance sensor for source-differential flow cytometry," 2021 IEEE Biomedical Circuits and Systems Conference (BioCAS), Berlin, Germany, Oct. 2021.
• R.I. Smith and M.L. Johnston, "Analysis of skin-worn thermoelectric generators for body heat energy harvesting to power wearable devices," 43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Guadalajara, Mexico, Nov. 2021.
• T.-H. Chou, H. Ouh, J. Kim, and M.L. Johnston, "Linear and single-photon avalanche diode dual-mode CMOS optical sensor with high frame rate operation," 2021 IEEE 64th International Midwest Symposium on Circuits and Systems (MWSCAS), Lansing, MI, USA, Aug. 2021.
  → 3rd Place, Best Student Paper Contest
• S. Sengupta and M.L. Johnston, "A multichannel analyzer with programmable energy bins for gamma ray spectroscopy," 2021 IEEE 64th International Midwest Symposium on Circuits and Systems (MWSCAS), Lansing, MI, USA, Aug. 2021.
  → Honorable Mention, Best Student Paper Contest
• L.M. Dischinger, M. Cravetz, J. Dawes, C. Votzke, C. VanAtter, M.L. Johnston, C.M. Grimm, and J.R. Davidson, "Towards intelligent fruit picking with in-hand sensing," IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Sep. 2021.
• C. Votzke, N. Alteir, Y. Mengüç, and M.L. Johnston, "Stenciled liquid metal paste for robust stretchable electrical interconnects," IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), pp. 1-4, Jun. 2021.
• C. Votzke, N. Alteir, V. Vasquez, Y. Mengüç, and M.L. Johnston, "Auger-based 3D printing of stretchable liquid metal paste interconnects: A brief tutorial," IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), pp. 1-4, Jun. 2021.
• S. Bose, T. Anand, and M.L. Johnston, "A 3.5 mV input single-inductor self-starting boost converter with loss-aware MPPT for efficient autonomous body-heat energy harvesting," IEEE Journal of Solid-State Circuits, vol. 56, no. 6, pp. 1837-1848, 2021.
• J. Kim, S. Yu, C.V. Fengel, E.D. Minot, and M.L. Johnston, "Frequency-division multiplexing with graphene active electrodes for neurosensor applications," presented at the IEEE International Symposium on Circuits and Systems (ISCAS), May. 2021, and published as IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 5, pp. 1735-1739, 2021.
  → Invited Paper
• J. Kim, C. Votzke, S. Bose, A. Natarajan, and M.L. Johnston, "A 20µW, 0.05mm² duty-cycled resistor and frequency-locked-loop-based Wheatstone bridge interface for low resistance sensing systems," IEEE Custom Integrated Circuits Conference (CICC), Apr. 2021.
• B. Shen and M.L. Johnston, "A digitally reconfigurable RC frequency generator using impedance IQ-balanced frequency-locked-loop with selectable phase mixing," IEEE Custom Integrated Circuits Conference (CICC), Apr. 2021.
  → Best Student Paper Candidate
• S. Sengupta and M.L. Johnston, "A widely reconfigurable piecewise-linear ADC for information-aware quantization," IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 4, pp. 1073-1077, 2021.
• H. Bialek, S. Ahasan, A. Binaie, K. R. Sadagopan, M. L. Johnston, H. Krishnaswamy, and A. Natarajan, "A 0.75GHz to 1GHz passive wideband noise-cancelling 171µW wake-up RX and 440uW primary RXFE with -86dBm/10kbps sensitivity, 35dB SIR and 3.8 dB RX NF," IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, pp. 308-310, Feb. 2021.



2020

• J. Dawes, J. Kim, and M.L. Johnston, "Modeling and design considerations for resistive impedance-based flow cytometry," 2020 IEEE SENSORS, Rotterdam, Netherlands, pp. 1-4, Oct. 2020.
• K. Clocker, C. Hu, R. Albertani, and M.L. Johnston, "Sensor system and signal processing for automated blade collision detection on wind turbines," 2020 IEEE SENSORS, Rotterdam, Netherlands, pp. 1-4, Oct. 2020.
• B. Shen and M.L. Johnston, "DC-100kHz tunable readout IC for impedance spectroscopy and amperometric measurement of electrochemical sensors," 2020 IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS), Springfield, MA, USA, pp. 651-654, Aug. 2020.
  → Invited Paper
  → 3rd Place, Best Student Paper
• J. Kim, H. Ouh, and M.L. Johnston, "A sub-hertz bandpass low noise amplifier for biopotential signal acquisition with parasitic pole cancellation," 2020 IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS), Springfield, MA, USA, pp. 13-16, Aug. 2020.
• S. Bose^*, B. Shen^*, and M.L. Johnston, "A batteryless motion-adaptive heartbeat detection system-on-chip powered by human body heat," IEEE Journal of Solid-State Circuits, vol. 55, no. 11, pp. 2902-2913, 2020.
  → Invited Paper
  
• J. Kim, H. Ouh, and M.L. Johnston, "A 43.8μW per channel biopotential readout system using frequency division multiplexing with cable motion artifact suppression," IEEE Custom Integrated Circuits Conference (CICC), Boston, MA, pp. 1-4, Apr. 2020.
• H. Bialek, M.L. Johnston, and A. Natarajan, "A 6-Transistor ultra-low power CMOS voltage reference with 0.02%/V line sensitivity," IEEE Custom Integrated Circuits Conference (CICC), Boston, MA, pp. 1-4, Apr. 2020.
• S. Bose^*, B. Shen^*, and M. L. Johnston, "26.5 A 20µW heartbeat detection system-on-chip powered by human body heat for self-sustaining wearable healthcare," IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, pp. 408-410, Feb. 2020.
• H. Ouh, B. Shen, and M.L. Johnston, "Combined in-pixel linear and single-photon avalanche diode operation with integrated biasing for wide-dynamic-range optical sensing," IEEE Journal of Solid-State Circuits, vol. 55, no. 2, pp. 392-403, 2020.



2019

• S. Bose, T. Anand, and M.L. Johnston, "Integrated cold-start of a boost converter at 57mV using cross-coupled complementary charge pumps and ultra-low-voltage ring oscillator," IEEE Journal of Solid-State Circuits, vol. 54, no. 10, pp. 2867-2878, 2019.
• M. Ker, M. Valle and M.L. Johnston, "Guest editorial: Special issue on selected papers From IEEE ISCAS 2019," IEEE Transactions on Biomedical Circuits and Systems, vol. 13, no. 6, pp. 1125-1127, 2019.
• K. Clocker, C. Votzke, Y. Mengüç, and M.L. Johnston, "Compact modeling of stretchable printed liquid metal electrical interconnects," IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), Glasgow, Scotland, pp. 1-3, Jul. 2019.
• C. Votzke, K. Clocker, Y. Mengüç, and M.L. Johnston, "Electrical characterization of stretchable printed liquid metal interconnects under repeated cyclic loading," IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), Glasgow, Scotland, pp. 1-3, Jul. 2019.
• S. Sengupta and M.L. Johnston, "Two-step, piecewise-linear SAR ADC with programmable transfer function," Electronics Letters, vol. 55, no. 8, pp. 444-446, 2019.
• S. Bose, T. Anand, and M.L. Johnston, "A 3.5 mV input, 82% peak efficiency boost converter with loss-optimized MPPT and 50 mV integrated cold-start for thermoelectric energy harvesting," IEEE Custom Integrated Circuits Conference (CICC), Austin, TX, pp. 1-4, Apr. 2019.
• P. Payandehnia, H. Maghmai, H. Mirzaie, M.L. Johnston, G. Temes, "An amplifier-free 0-2 SAR-VCO MASH delta-sigma ADC," IEEE International Symposium on Circuits and Systems (ISCAS), Sapporo, Japan, pp. 1-5, May 2019.
• C. Votzke, U. Daalkhaijav, Y. Mengüç, and M.L. Johnston, "3D-printed liquid metal interconnects for stretchable electronics," IEEE Sensors Journal, vol. 19, no. 10, pp. 3832 - 3840, 2019.
  → Highlighted in Nature Electronics
  → Most viewed IEEE Sensors Journal article for January, February, and March 2020.
• B. Shen, S. Bose, and M.L. Johnston, "A 1.2V-20V closed-loop charge pump for high dynamic range photodetector array biasing," IEEE Transactions on Circuits and Systems II: Express Briefs, 2018, vol. 66, no. 3, pp. 327-331, 2019.
• K. Clocker, S. Sengupta, and M.L. Johnston, "A fully-integrated, single-element CMOS anemometer," IEEE Sensors Letters, vol. 3, no. 2, pp. 1-4, 2019.
• B. Shen, S. Bose, and M.L. Johnston, "Fully-integrated charge pump design optimization for above-breakdown biasing of single-photon avalanche diodes in 0.13 μm CMOS," IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 3, pp. 1258-1269, 2019.



2018

• H. Ouh and M.L. Johnston, "Code-division multiplex encoding analog front end for current-mode sensor arrays," IEEE Solid-State Circuits Letters, vol. 1, no. 5, pp. 118-121, 2018.
• C. Votzke, U. Daalkhaijav, Y. Mengüç, and M.L. Johnston, "Highly-stretchable biomechanical strain sensor using printed liquid metal paste," 2018 IEEE Biomedical Circuits and Systems Conference (BioCAS), Cleveland, OH, pp. 1-4, Oct. 2018.
• M. Lindsay, K. Bishop, S. Sengupta, M. Co, C-H. Chen, M. Cumbie, and M.L. Johnston, "Heterogeneous integration of CMOS sensors and fluidic networks using wafer-level molding," IEEE Transactions on Biomedical Circuits and Systems, vol. 12, no. 5, pp. 1046-1055, 2018.
  → Invited Paper
  
• S. Bose, H. Ouh, S. Sengupta, and M.L. Johnston, "Parametric study of p-n junctions and structures for CMOS-integrated single-photon avalanche diodes," IEEE Sensors Journal, vol. 18, no. 13, pp. 5291-5299, 2018.
• J. Dawes, M. Brian, H. Bialek, and M.L. Johnston, "Wireless smartphone control using electromyography and automated gesture recognition," 40th Annual IEEE International Engineering in Medicine and Biology Conference (EMBC), Honolulu, HI, pp. 5390-5393, Jul. 2018.
• B. Shen and M.L. Johnston, "Zero reversion loss, high-efficiency charge pump for wide output current load range," IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-5, May 2018.
• S. Bose and M.L. Johnston, "A stacked-inverter ring oscillator for 50 mV fully-integrated cold-start of energy harvesters," IEEE International Symposium on Circuits and Systems (ISCAS), Florence, Italy, pp. 1-5, May 2018.
• H. Ouh and M.L. Johnston, "Dual-mode, in-pixel linear and single-photon avalanche diode readout for low-light dynamic range extension in photodetector arrays," IEEE Custom Integrated Circuits Conference (CICC), San Diego, CA, pp. 1-4, Apr. 2018.
• S. Bose, T. Anand, and M.L. Johnston, "Fully-integrated 57 mV cold start of a thermoelectric energy harvester using a cross-coupled complementary charge pump," IEEE Custom Integrated Circuits Conference (CICC), San Diego, CA, pp. 1-4, Apr. 2018.
• S. Shi, L. Wang, M.L. Johnston, A. Rahman, G. Singh, Y. Wang, and P. Chiang, "Pathway to a compact, fast, and low-cost LiDAR," 2018 4th International Conference on Control, Automation and Robotics (ICCAR), Auckland, pp. 232-236, 2018.



2017

• M. Lindsay, S. Sengupta, K. Bishop, M. Co, C-H. Chen, M. Cumbie, and M.L. Johnston, "Scalable hybrid integration of CMOS circuits and fluidic networks for biosensor applications," IEEE Biomedical Circuits and Systems Conference (BioCAS), Turin, Italy, pp. 1-4, Oct. 2017.
• H. Ouh, S. Sengupta, S. Bose, and M.L. Johnston, "Dual-mode, enhanced dynamic range CMOS optical sensor for biomedical applications," IEEE Biomedical Circuits and Systems Conference (BioCAS), Turin, Italy, pp. 1-4, Oct. 2017.
• S. Sengupta, H. Ouh, and M.L. Johnston, "An all-digital CMOS ambient light sensor using a single photon avalanche diode," IEEE SENSORS, Glasgow, Scotland, pp. 1-3, Oct. 2017
• K. Clocker, S. Sengupta, M. Lindsay, and M.L. Johnston, "Single-element thermal flow sensor using dual-slope control scheme," IEEE SENSORS, Glasgow, Scotland, pp. 1-3, Oct. 2017
• K. Bishop^*, M. Co^*, and M.L. Johnston, "Rapid prototyping of 3D microfluidics using low-cost materials and maker tools," Biomedical Engineering Society (BMES) Annual Meeting, Phoenix, AZ, Oct. 2017.
• B. Shen, S. Bose, and M.L. Johnston, "On-chip high-voltage SPAD bias generation using a dual-mode, closed-loop charge pump," IEEE International Symposium on Circuits and Systems (ISCAS), Baltimore, MD, pp. 1-4, May 2017.



2015-2016

• H. Bialek, J. Dawes, D. Heer, and M.L. Johnston, "Portable real-time PCR system using tablet-based fluorescence imaging," 2016 IEEE EMBS International Student Conference (ISC), pp. 1-4, 2016.
• M.L. Johnston^*, E.Y. Young^*, and K.L. Shepard, “Whole blood immunoassay for gamma-H2AX as a radiation biodosimetry assay with minimal sample preparation,” Radiation and Evironmental Biophysics, vol. 54 (3), pp. 365-372, 2015.



Prior to Oregon State

• M.L. Johnston, H. Edrees, I. Kymissis, and K.L. Shepard, “Integrated VOC vapor sensing on FBAR-CMOS array,” 25th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2012), pp. 846-849, 2012.
• S. Sorgenfrei, C.-Y. Chiu, M. Johnston, C. Nuckolls, and K.L. Shepard, "Debye screening in single-molecule carbon nanotube field-effect sensors," Nano Letters, vol. 11 (9), pp. 3739–3743, 2011.
• G. Maltezos, M. Johnston, K. Taganov, C. Srichantaratsamee, J. Gorman, D. Baltimore, W. Chantratita, A. Scherer, "Exploring the limits of ultrafast polymerase chain reaction using liquid for thermal heat exchange," Applied Physics Letters, vol. 97, 264101, 2010.
• M.L. Johnston, I. Kymissis, and K.L. Shepard, "FBAR-CMOS oscillator array for mass-sensing applications," IEEE Sensors Journal, vol. 10, no. 6, pp. 1042-1047, 2010.
• M.L. Johnston, I. Kymissis, and K.L. Shepard, "An array of monolithic FBAR-CMOS oscillators for mass-Sensing applications," Proc. of 15th International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers '09), Denver, CO, pp. 1626-1629, 2009.
• G. Maltezos, M. Johnston, D. G. Maltezos, A. Scherer, "Replication of three-dimensional valves from printed wax molds," Sensors and Actuators A: Physical, vol. 135 (2), pp. 620-624, 2007.
• G. Maltezos, M. Johnston, and A. Scherer,"Thermal management in microfluidics using micro-Peltier junctions," Applied Physics Letters, vol. 87 (15), 154105, 2005.
• M.L. Adams, M.L. Johnston, A. Scherer, and S.R. Quake, "Polydimethylsiloxane based microfluidic diode," Journal of Micromechanics and Microengineering, vol. 15 (8), pp. 1517–1521, 2005.


^*Denotes equal attribution.

Contact: Matthew L. Johnston, Ph.D. School of EECS 1148 Kelley Engineering Center Oregon State University Corvallis, OR 97331 matthew.johnston@oregonstate.edu

©2024 Matthew L. Johnston. All Rights Reserved.