Scalable hybrid integration of CMOS circuits and fluidic networks for biosensor applications. - McKay Lindsay; Shaan Sengupta; Kevin W. Bishop; Megan Co; Chien-Hua Chen; Michael Cumbie; Matthew L. Johnston (BioCAS, 2017)

Dual-mode, enhanced dynamic range CMOS optical sensor for biomedical applications. - Hyunkyu Ouh; Shaan Sengupta; Soumya Bose; Matthew L. Johnston (BioCAS, 2017)

Single-element thermal flow sensor using dual-slope control scheme. - Kyle Clocker; Shaan Sengupta; McKay Lindsay; Matthew L. Johnston (IEEE SENSORS, 2017)

An all-digital CMOS ambient light sensor using a single photon avalanche diode. - Shaan Sengupta; Hyunkyu Ouh; Matthew L. Johnston (IEEE SENSORS, 2017)

On-chip high-voltage SPAD bias generation using a dual-mode, closed-loop charge pump. - Boyu Shen; Soumya Bose; Matthew L. Johnston (ISCAS, 2017)

Highly-Stretchable Biomechanical Strain Sensor using Printed Liquid Metal Paste. - Callen Votzke; Uranbileg Daalkhaijav; Yigit Mengüç; Matthew L. Johnston (BioCAS, 2018)

Fully-integrated 57 mV cold start of a thermoelectric energy harvester using a cross-coupled complementary charge pump. - Soumya Bose; Tejasvi Anand; Matthew L. Johnston (CICC, 2018)

Dual-mode, in-pixel linear and single-photon avalanche diode readout for low-light dynamic range extension in photodetector arrays. - Hyunkyu Ouh; Matthew L. Johnston (CICC, 2018)

Wireless Smartphone Control using Electromyography and Automated Gesture Recognition. - Jacob Dawes; Makenzie Brian; Hayden Bialek; Matthew L. Johnston (EMBC, 2018)

A Stacked-Inverter Ring Oscillator for 50 mV Fully-Integrated Cold-Start of Energy Harvesters. - Soumya Bose; Matthew L. Johnston (ISCAS, 2018)

Zero Reversion Loss, High-Efficiency Charge Pump for Wide Output Current Load Range. - Boyu Shen; Matthew L. Johnston (ISCAS, 2018)

Heterogeneous Integration of CMOS Sensors and Fluidic Networks Using Wafer-Level Molding. - McKay Lindsay; Kevin W. Bishop; Shaan Sengupta; Megan Co; Michael Cumbie; Chien-Hua Chen; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2018)

A 3.5mV Input, 82% Peak Efficiency Boost Converter with Loss-Optimized MPPT and 50mV Integrated Cold-Start for Thermoelectric Energy Harvesting. - Soumya Bose; Tejasvi Anand; Matthew L. Johnston (CICC, 2019)

An Amplifier-Free 0-2 SAR-VCO MASH ΔΣ ADC. - Pedram Payandehnia; Hamidreza Maghami; Hossein Mirzaie; Matthew L. Johnston; Gabor C. Temes (ISCAS, 2019)

Integrated Cold Start of a Boost Converter at 57 mV Using Cross-Coupled Complementary Charge Pumps and Ultra-Low-Voltage Ring Oscillator. - Soumya Bose; Tejasvi Anand; Matthew L. Johnston (IEEE J. Solid State Circuits, 2019)

Guest Editorial: Special Issue on Selected Papers From IEEE ISCAS 2019. - Ming-Dou Ker; Maurizio Valle; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2019)

Fully-Integrated Charge Pump Design Optimization for Above-Breakdown Biasing of Single-Photon Avalanche Diodes in 0.13-µm CMOS. - Boyu Shen; Soumya Bose; Matthew L. Johnston (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

A 1.2 V-20 V Closed-Loop Charge Pump for High Dynamic Range Photodetector Array Biasing. - Boyu Shen; Soumya Bose; Matthew L. Johnston (IEEE Trans. Circuits Syst. II Express Briefs, 2019)

A 6-Transistor Ultra-Low Power CMOS Voltage Reference with 0.02%/V Line Sensitivity. - Hayden Bialek; Matthew L. Johnston; Arun Natarajan 001 (CICC, 2020)

A 43.8µW per Channel Biopotential Readout System using Frequency Division Multiplexing with Cable Motion Artifact Suppression. - Jinyong Kim; Hyunkyu Ouh; Matthew L. Johnston (CICC, 2020)

Sensor System and Signal Processing for Automated Blade Collision Detection on Wind Turbines. - Kyle Clocker; Congcong Hu; Roberto Albertan; Matthew L. Johnston (IEEE SENSORS, 2020)

Modeling and Design Considerations for Resistive Impedance-Based Flow Cytometry. - Jacob Dawes; Jinwon Kim; Matthew L. Johnston (IEEE SENSORS, 2020)

26.5 A 20µW Heartbeat Detection System-on-Chip Powered by Human Body Heat for Self-Sustaining Wearable Healthcare. - Soumya Bose; Boyu Shen; Matthew L. Johnston (ISSCC, 2020)

A Sub-Hertz Bandpass Low Noise Amplifier for Biopotential Signal Acquisition with Parasitic Pole Cancellation. - Jinyong Kim; Hyunkyu Ouh; Matthew L. Johnston (MWSCAS, 2020)

DC-100 kHz Tunable Readout IC for Impedance Spectroscopy and Amperometric Measurement of Electrochemical Sensors. - Boyu Shen; Matthew L. Johnston (MWSCAS, 2020)

A Batteryless Motion-Adaptive Heartbeat Detection System-on-Chip Powered by Human Body Heat. - Soumya Bose; Boyu Shen; Matthew L. Johnston (IEEE J. Solid State Circuits, 2020)

Combined In-Pixel Linear and Single-Photon Avalanche Diode Operation With Integrated Biasing for Wide-Dynamic-Range Optical Sensing. - Hyunkyu Ouh; Boyu Shen; Matthew L. Johnston (IEEE J. Solid State Circuits, 2020)

A 6 pArms 50 kHz-40 MHz Impedance Sensor for Source-Differential Flow Cytometry. - Boyu Shen; Jacob Dawes; Matthew L. Johnston (BioCAS, 2021)

A 20 μ W, 0.05mm2 Duty-Cycled Resistor and Frequency-Locked-Loop-based Wheatstone Bridge Interface for Low Resistance Sensing Systems. - Jinyong Kim; Callen Votzke; Soumya Bose; Arun Natarajan 001; Matthew L. Johnston (CICC, 2021)

A Digitally-Reconfigurable RC Frequency Generator using Impedance IQ-Balanced Frequency-Locked-Loop with Selectable Phase Mixing. - Boyu Shen; Matthew L. Johnston (CICC, 2021)

Analysis of Skin-Worn Thermoelectric Generators for Body Heat Energy Harvesting to Power Wearable Devices. - Richard Inocencio Smith; Matthew L. Johnston (EMBC, 2021)

Towards Intelligent Fruit Picking with In-hand Sensing. - Lisa M. Dischinger; Miranda Cravetz; Jacob Dawes; Callen Votzke; Chelse VanAtter; Matthew L. Johnston; Cindy M. Grimm; Joseph R. Davidson (IROS, 2021)

21.4 A 0.75-to-1GHz Passive Wideband Noise-Cancelling 171µW Wake-Up RX and 440µW Primary RX FE with -86dBm/10kb/s Sensitivity, 35dB SIR and 3.8dB RX NF. - Hayden Bialek; Sohail Ahasan; Ali Binaie; Kamala Raghavan Sadagopan; Matthew L. Johnston; Harish Krishnaswamy; Arun Natarajan 001 (ISSCC, 2021)

Linear and Single-Photon Avalanche Diode Dual-Mode CMOS Optical Sensor with High Frame Rate Operation. - Tzu-Hsuan Chou; Hyunkyu Ouh; Jinyong Kim; Matthew L. Johnston (MWSCAS, 2021)

A Multichannel Analyzer with Programmable Energy Bins for Gamma Ray Spectroscopy. - Shaan Sengupta; Matthew L. Johnston (MWSCAS, 2021)

A 3.5-mV Input Single-Inductor Self-Starting Boost Converter With Loss-Aware MPPT for Efficient Autonomous Body-Heat Energy Harvesting. - Soumya Bose; Tejasvi Anand; Matthew L. Johnston (IEEE J. Solid State Circuits, 2021)

Guest Editorial Special Issue on Selected Papers From ISCAS 2021. - Deepu John; Tony Tae-Hyoung Kim; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2021)

Multi-Channel Biopotential Acquisition System Using Frequency-Division Multiplexing With Cable Motion Artifact Suppression. - Jinyong Kim; Hyunkyu Ouh; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2021)

Frequency-Division Multiplexing With Graphene Active Electrodes for Neurosensor Applications. - Jinyong Kim; Carly V. Fengel; Siyuan Yu; Ethan D. Minot; Matthew L. Johnston (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

A Widely Reconfigurable Piecewise-Linear ADC for Information-Aware Quantization. - Shaan Sengupta; Matthew L. Johnston (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

Body-Heat Powered Biosensor Readout using Current-mode Relaxation Oscillators. - Tzu-Hsuan Chou; Siyuan Yu; Jacob Cook; Jaehyeong Park; Soumya Bose; Matthew L. Johnston (BioCAS, 2022)

A Reconfigurable Tri-Mode Frequency-Locked Loop Readout Circuit for Biosensor Interfaces. - Siyuan Yu; Tzu-Hsuan Chou; Jacob Cook; Jaehyeong Park; Matthew L. Johnston (BioCAS, 2022)

A 1μW Activity-Aware Asynchronous Delta Modulator with Automated Dual-Mode Operation. - Siyuan Yu; Matthew L. Johnston (MWSCAS, 2022)

Self-Sensing, Stretchable, Active Circuit Arrays: Liquid Metal Paste as a Combination Interconnect and Strain Sensor. - Callen Votzke; Yigit Mengüç; Matthew L. Johnston (RoboSoft, 2022)

A Passive Wideband Noise-Canceling Mixer-First Architecture With Shared Antenna Interface for Interferer-Tolerant Wake-Up Receivers and Low-Noise Primary Receivers. - Hayden Bialek; Ali Binaie; Sohail Ahasan; Kamala Raghavan Sadagopan; Matthew L. Johnston; Harish Krishnaswamy; Arun Natarajan 001 (IEEE J. Solid State Circuits, 2022)

A Frequency-Locked Oscillator Using Complex RC Impedance IQ-Balancing. - Boyu Shen; Soumya Bose; Matthew L. Johnston (IEEE J. Solid State Circuits, 2022)

A 10 M$ mathrm{ Omega }$, 50 kHz-40 MHz Impedance Measurement Architecture for Source-Differential Flow Cytometry. - Boyu Shen; Jacob Dawes; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2022)

Lab-on-CMOS Packaging using Wafer-Level Molding and Direct-Write 3D-Printed Interconnects. - Jacob Dawes; Tzu-Hsuan Chou; Matthew L. Johnston (BioCAS, 2023)

Multiplexed Detection of Spike Patterns using Active Graphene Neurosensors. - Carly V. Fengel; Siyuan Yu; Jinyong Kim; Matthew L. Johnston; Ethan D. Minot (ISCAS, 2023)

One-Wire Frequency-Division Multiplexing Multi-Channel Biopotential Active Electrode with Harmonic Cancellation. - Jinyong Kim; Matthew L. Johnston (ISCAS, 2023)

A 0.4-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. - Hayden Bialek; Matthew L. Johnston; Arun Natarajan 001 (ISSCC, 2023)

Design, Characterization, and Modeling of Barometric Tactile Sensors for Underwater Applications. - Aiden Shaevitz; Matthew L. Johnston; Joseph R. Davidson (RoboSoft, 2023)

Modular Sensor Integration into Soft Robots using Stretchable Wires for Nuclear Infrastructure Inspection and Radiation Spectroscopy. - Calder Wilson; Joseph Karam; Callen Votzke; Farhan Rozaidi; Camille J. Palmer; Ross L. Hatton; Matthew L. Johnston (RoboSoft, 2023)

A SiPM-Based Gamma Spectrometer With Field-Programmable Energy Binning for Data-Efficient Isotope Analysis. - Shaan Sengupta; Matthew L. Johnston (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)

A Sinusoidal Signal Generator Using a Delta-Sigma Modulated Look-Up Table and Analysis of Dither. - Jaehyeong Park; Matthew L. Johnston (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

Wireless, Multi-Sensor System-on-Chip for pH and Amperometry Powered by Body Heat. - Tzu-Hsuan Chou; Siyuan Yu; Soumya Bose; Jacob Cook; Jaehyeong Park; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2023)

A Reconfigurable Tri-Mode Frequency-Locked Loop Readout Circuit for Biosensor Interfaces. - Siyuan Yu; Tzu-Hsuan Chou; Soumya Bose; Jacob Cook; Jaehyeong Park; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2023)

A Highly Integrated Distributed Mixer Receiver for Low-Power Wireless Radios. - Hayden Bialek; Matthew L. Johnston; Arun Natarajan 001 (IEEE J. Solid State Circuits, 2023)

An Impedance Measurement System-on-Chip for Flow Cytometry with On-Chip Size Classification. - Tzu-Hsuan Chou; Siyuan Yu; Calder Wilson; Jacob Dawes; Jaehyeong Park; Matthew L. Johnston (BioCAS, 2024)

Shape Sensing Stretchable Sensor Grid Towards Camera-Less Motion Capture. - Joseph Karam; Aiden Shaevitz; Joseph R. Davidson; Matthew L. Johnston (IEEE SENSORS, 2024)

An Easy-to-Drive Discrete-Time ADC Topology Using Digital Predictive Level-Shifting. - Manxin Li; Runpeng Gao; Calder Wilson; Amartya Basak; Evan C. Markwell; Matthew L. Johnston; Un-Ku Moon (ISCAS, 2024)

Multi-segment Stretchable Strain Sensor using Time Domain Reflectometry. - Calder Wilson; Matthew L. Johnston (ISCAS, 2024)

Microfluidic Lab-on-CMOS Packaging Using Wafer-Level Molding and 3D-Printed Interconnects. - Jacob Dawes; Tzu-Hsuan Chou; Boyu Shen; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2024)

A Sub-0.1% THD Sinusoidal-Signal Generator for Impedance Measurement Using a Delta-Sigma-Modulated Look-Up Table. - Jaehyeong Park; Matthew L. Johnston (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

A 99.1-dB SFDR, 87.1-dB SNDR, 50-kS/s 3rd-Order Continuous-Time Incremental ADC With Current-Controlled-Oscillator Quantizer. - Siyuan Yu; Matthew L. Johnston (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

Integration of Thermal Inkjet into Over-Molded Substrates for Lab-on-CMOS Pumping Applications. - Jacob Dawes; Alyssa Estenson; Louis Marun; George Corrigan; Alexander Govyadinov; Anand Jebakumar; Pavel Kornilovich; Erik Torniainen; Matthew L. Johnston (ISCAS, 2025)

System-on-Chip for Flow Cytometry With Impedance Measurement and Integrated Real-Time Size Classification. - Tzu-Hsuan Chou; Siyuan Yu; Calder Wilson; Jacob Dawes; Jaehyeong Park; Louis Marun; Matthew L. Johnston (IEEE Trans. Biomed. Circuits Syst., 2025)