An Auto-offset-removal Circuit for Chemical Sensing based on the PG-ISFET. - Yan Liu 016; Pantelis Georgiou; Timothy G. Constandinou; David Garner; Christofer Toumazou (ISCAS, 2009)

An ISFET based sensing array with sensor offset compensation and pH sensitivity enhancement. - Yan Liu 016; Chris Toumazou (ISCAS, 2010)

A 5s-time-constant temperature-stable integrator for a tuneable PID controller in LOC applications. - Yuanqi Hu; Yan Liu 016; Timothy G. Constandinou; Christofer Toumazou (ISCAS, 2011)

An ISFET design methodology incorporating CMOS passivation. - Mohammadreza Sohbati; Yan Liu 016; Pantelis Georgiou; Christofer Toumazou (BioCAS, 2012)

A TDC based ISFET readout for large-scale chemical sensing systems. - Kaiming Wang; Yan Liu 016; Chris Toumazou; Pantelis Georgiou (BioCAS, 2012)

A CMOS architecture allowing parallel DNA comparison for on-chip assembly. - Yuanqi Hu; Yan Liu 016; Christofer Toumazou; Pantelis Georgiou (ISCAS, 2012)

A compact recording array for neural interfaces. - Lieuwe B. Leene; Yan Liu 016; Timothy G. Constandinou (BioCAS, 2013)

Design considerations for a CMOS Lab-on-Chip microheater array to facilitate the in vitro thermal stimulation of neurons. - Ferran Reverter; Themistoklis Prodromakis; Yan Liu 016; Pantelis Georgiou; Konstantin Nikolic; Timothy G. Constandinou (ISCAS, 2014)

Octagonal CMOs image sensor with strobed RGB LED illumination for wireless capsule endoscopy. - Satoshi Yoshizaki; Alexantrou Serb; Yan Liu 016; Timothy G. Constandinou (ISCAS, 2014)

An adaptive 16/64 kHz, 9-bit SAR ADC with peak-aligned sampling for neural spike recording. - Lirong Zheng 002; Lieuwe B. Leene; Yan Liu 016; Timothy G. Constandinou (ISCAS, 2014)

An Analogue Front-End Model for Developing Neural Spike Sorting Systems. - Deren Y. Barsakcioglu; Yan Liu 016; Pooja Bhunjun; Joaquin Navajas; Amir Eftekhar; Andrew Jackson 001; Rodrigo Quian Quiroga; Timothy G. Constandinou (IEEE Trans. Biomed. Circuits Syst., 2014)

A CMOS-based neural implantable optrode for optogenetic stimulation and electrical recording. - Hubin Zhao; Fahimeh Dehkhoda; Reza Ramezani; Danil Sokolov; Patrick Degenaar; Yan Liu 016; Timothy G. Constandinou (BioCAS, 2015)

An event-driven SoC for neural recording. - Song Luan; Yan Liu 016; Ian Williams; Timothy G. Constandinou (BioCAS, 2016)

An optrode with built-in self-diagnostic and fracture sensor for cortical brain stimulation. - Reza Ramezani; Fahimeh Dehkhoda; Ahmed Soltan; Patrick Degenaar; Yan Liu 016; Timothy G. Constandinou (BioCAS, 2016)

A 32-ch. bidirectional neural/EMG interface with on-chip spike detection for sensorimotor feedback. - Ian Williams; Adrien Rapeaux; Yan Liu 016; Song Luan; Timothy G. Constandinou (BioCAS, 2016)

Clockless continuous-time neural spike sorting: Method, implementation and evaluation. - Yan Liu 016; João L. Pereira; Timothy G. Constandinou (ISCAS, 2016)

Live demonstration: A closed-loop cortical brain implant for optogenetic curing epilepsy. - Junwen Luo; Dimitrios Firfilionis; Reza Ramezani; Fahimeh Dehkhoda; Ahmed Soltan; Patrick Degenaar; Yan Liu 016; Timothy G. Constandinou (BioCAS, 2017)

Adaptive power regulation and data delivery for multi-module implants. - Andrea Mifsud; Dorian Haci; Sara S. Ghoreishizadeh; Yan Liu 016; Timothy G. Constandinou (BioCAS, 2017)

On-chip ID generation for multi-node implantable devices using SA-PUF. - Chang Gao 002; Sara S. Ghoreishizadeh; Yan Liu 016; Timothy G. Constandinou (ISCAS, 2017)

32-Channel ultra-low-noise arbitrary signal generation platform for biopotential emulation. - Dorian Haci; Yan Liu 016; Timothy G. Constandinou (ISCAS, 2017)

A charge-based ultra-low power continuous-time ADC for data driven neural spike processing. - Michal Maslik; Yan Liu 016; Tor Sverre Lande; Timothy G. Constandinou (ISCAS, 2017)

A 4-wire interface SoC for shared multi-implant power transfer and full-duplex communication. - Sara S. Ghoreishizadeh; Dorian Haci; Yan Liu 016; Timothy G. Constandinou (LASCAS, 2017)

A 64-Channel Versatile Neural Recording SoC With Activity-Dependent Data Throughput. - Yan Liu 016; Song Luan; Ian Williams; Adrien Rapeaux; Timothy G. Constandinou (IEEE Trans. Biomed. Circuits Syst., 2017)

Four-Wire Interface ASIC for a Multi-Implant Link. - Sara S. Ghoreishizadeh; Dorian Haci; Yan Liu 016; Nick Donaldson; Timothy G. Constandinou (IEEE Trans. Circuits Syst. I Regul. Pap., 2017)

Design Considerations for Ground Referencing in Multi - Module Neural Implants. - Dorian Haci; Yan Liu 016; Sara S. Ghoreishizadeh; Timothy G. Constandinou (BioCAS, 2018)

Thermally Controlled Lab-on-PCB for Biomedical Applications. - Dorian Haci; Yan Liu 016; Konstantin Nikolic; Danilo Demarchi; Timothy G. Constandinou; Pantelis Georgiou (BioCAS, 2018)

Integrated Devices for Micro-Package Integrity Monitoring in mm-Scale Neural Implants. - Federico Mazza; Yan Liu 016; Nick Donaldson; Timothy G. Constandinou (BioCAS, 2018)

Continuous-Time Acquisition of Biosignals Using a Charge-Based ADC Topology. - Michal Maslik; Yan Liu 016; Tor Sverre Lande; Timothy G. Constandinou (IEEE Trans. Biomed. Circuits Syst., 2018)

On-Probe Neural Interface ASIC for Combined Electrical Recording and Optogenetic Stimulation. - Reza Ramezani; Yan Liu 016; Fahimeh Dehkhoda; Ahmed Soltan; Dorian Haci; Hubin Zhao; Dimitrios Firfilionis; Anupam Hazra; Mark O. Cunningham; Andrew Jackson 001; Timothy G. Constandinou; Patrick Degenaar (IEEE Trans. Biomed. Circuits Syst., 2018)

In-body wireline interfacing platform for multi-module implantable microsystems. - Dorian Haci; Andrea Mifsud; Yan Liu 016; Sara S. Ghoreishizadeh; Timothy G. Constandinou (BioCAS, 2019)

SenseBack - Implant considerations for an implantable neural stimulation and recording device. - Ian Williams; Adrien Rapeaux; Jack Pearson; Kianoush Nazarpour; Emma Brunton; Song Luan; Yan Liu 016; Timothy G. Constandinou (BioCAS, 2019)

An impedance probing system for real-time intraoperative brain tumour tissue discrimination. - Steven S. Wong; Jinendra Ekanayake; Yan Liu 016; Timothy G. Constandinou (BioCAS, 2019)

Live Demonstration: An EEG-Based Comparative Study of Light Color Effect on Mental Stress Relief Using an Integrated Mobile Application. - Yi Wu; Yilun Jin; Azusa Yokoyama; Chao Wang 101; Yongfu Li 002; Yan Liu 016; Guoxing Wang (BioCAS, 2019)

A 32×32 ISFET Array with In-Pixel Digitisation and Column-Wise TDC for Ultra-Fast Chemical Sensing. - Yan Liu 016; Timothy G. Constandinou; Pantelis Georgiou (ISCAS, 2019)

An Oscillator Based Potentiostat with Switch-Cap Feedback for Current Sensing Applications. - Yan Liu 016; Lieuwe B. Leene; Timothy G. Constandinou (ISCAS, 2019)

System on Chip for Closed Loop Neuromodulation Based on Dual Mode Biosignals. - Khalid B. Mirza; Nishanth Kulasekeram; Yan Liu 016; Konstantin Nikolic; Christofer Toumazou (ISCAS, 2019)

Ultrafast Large-Scale Chemical Sensing With CMOS ISFETs: A Level-Crossing Time-Domain Approach. - Yan Liu 016; Timothy G. Constandinou; Pantelis Georgiou (IEEE Trans. Biomed. Circuits Syst., 2019)

Neuro-PULP: A Paradigm Shift Towards Fully Programmable Platforms for Neural Interfaces. - Pasquale Davide Schiavone; Davide Rossi; Yan Liu 016; Simone Benatti; Song Luan; Ian Williams; Luca Benini; Timothy G. Constandinou (AICAS, 2020)

A Self-coupled DT MASH ΔΣ Modulator with High Tolerance to Noise Leakage. - Gaofeng Tan; Haolin Lu; Xinyu Qin; Jiliang Zhang 009; Jingying Zhang; Yan Liu 016; Liang Qi 002 (APCCAS, 2020)

Sub-Sampling Phase-Locked Loop with Ultra-mini Dead Zone For Locking Time Reduction. - Yeqing Wang; Zhouchen Ma; Yan Liu 016; Jian Zhao 004; Lei Zhang; Zongmin Wang (APCCAS, 2020)

Lessons Learned the Hard Way. - Tobi Delbruck; Ibrahim Abe M. Elfadel; Shahzad Muzaffar; Germain Haessig; Bo Wang 012; Amine Bermak; Rui Graca; Luis A. Camuñas-Mesa; Bathiya Senevirathna; Pamela Abshire; Bernabé Linares-Barranco; Saeed Afshar; et al. (ISCAS, 2020)

Key Considerations for Power Management in Active Implantable Medical Devices. - Dorian Haci; Yan Liu 016; Sara S. Ghoreishizadeh; Timothy G. Constandinou (LASCAS, 2020)

SenseBack - An Implantable System for Bidirectional Neural Interfacing. - Ian Williams; Emma Brunton; Adrien Rapeaux; Yan Liu 016; Song Luan; Kianoush Nazarpour; Timothy G. Constandinou (IEEE Trans. Biomed. Circuits Syst., 2020)

The Neural Engine: A Reprogrammable Low Power Platform for Closed-Loop Optogenetics. - Junwen Luo; Dimitrios Firfilionis; Mark Turnbull; Wei Xu; Darren Walsh; Enrique Escobedo-Cousin; Ahmed Soltan; Reza Ramezani; Yan Liu 016; Richard Bailey; Anthony O'Neill; Ahmad Shah Idil; et al. (IEEE Trans. Biomed. Eng., 2020)

Unsupervised Continuous Time Domain Spike Sorting for Large Scale Neural Processing Systems. - Changyun Fu; Tongtong Guo; Yongfu Li 002; Yan Liu 016 (BioCAS, 2021)

A Resource-Efficient, Robust QRS Detector Using Data Compression and Time-Sharing Architecture. - Weihong Yan; Yuxin Ji; Lining Hu; Ting Zhou; Yang Zhao 007; Yan Liu 016; Yongfu Li 002 (ISCAS, 2021)

An Energy-Autonomous Power-and-Data Telemetry Circuit With Digital-Assisted-PLL-Based BPSK Demodulator for Implantable Flexible Electronics Applications. - Luominghao Pan; Mingyi Chen; Yifei Chen; Siyao Zhu; Yan Liu 016 (IEEE Open J. Circuits Syst., 2021)

Guest Editorial Special Issue of IEEE TBioCAS on Selected Papers of IEEE ICECS 2020 Conference. - Sara S. Ghoreishizadeh; Yan Liu 016; Marco Carminati (IEEE Trans. Biomed. Circuits Syst., 2021)

An Ultra Compact Neural Front-End with CT-NEO Based Spike Detection for Implantable Applications. - Tongtong Guo; Huaiyu Liu; Yan Liu 016 (ISCAS, 2022)

An Input-Output Regulated Adaptive Ramp for Fast Load Transition of PWM Buck Convertor. - Bingbing He; Haoran Li 001; Mingyi Chen; Yongfu Li 002; Yan Liu 016; Yang Zhao 007 (ISCAS, 2022)

Toward Ultra-large Scale Neural Spike Sorting with Distributed Sorting Channels and Unsupervised Training. - Junhong Sun; Tianhao Li; Tongtong Guo; Yongfu Li 002; Changyun Fu; Yan Liu 016 (ISCAS, 2022)

An Energy-Efficient ASK Demodulator Robust to Power-Carrier-Interference for Inductive Power and Data Telemetry. - Yifei Chen; Yan Liu 016; Yongfu Li 002; Guoxing Wang; Mingyi Chen (IEEE Trans. Biomed. Circuits Syst., 2022)

A Hybrid 1st/2nd-Order VCO-Based CTDSM With Rail-to-Rail Artifact Tolerance for Bidirectional Neural Interface. - Huaiyu Liu; Tongtong Guo; Peng Yan; Liang Qi 002; Mingyi Chen; Guoxing Wang; Yan Liu 016 (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

A VCO-Based CTDSM With Integrated Phase Error Correction for Neural Interface. - Huaiyu Liu; Liang Qi 002; Guoxing Wang; Yan Liu 016 (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

Low-Noise, High-Linearity Sine-Wave Generation Using Noise-Shaping Phase-Switching Technique. - Jiajie Huang; Ting Zhou; Huaiyu Liu; Liang Qi 002; Yan Liu 016; Yongfu Li 002 (IEEE Trans. Instrum. Meas., 2022)

Design of a High Linearity Sinusoidal Current Generator Using Shifting Current Mirror Architecture. - Jiajie Huang; Ting Zhou; Chao Wang 101; Zhiwen Gu; Yongfu Li 002; Yan Liu 016 (IEEE Trans. Instrum. Meas., 2022)

An $8.73 mathrm{G} Omega$ Input Impedance VCO-Based Neural Front-End with Autonomous Time-Domain Impedance Boosting Technique and Maximum 0.215s Re-Calibration Time. - Huaiyu Liu; Yang Lin; Guoxing Wang; Yan Liu 016 (A-SSCC, 2023)

A Gain and Bandwidth Individually Tunable ExG Analog Frontend with 516nVrms Noise for Flexible Biomedical Sensors. - Yanxing Suo; Xiao Han; Yang Zhao 007; Mingyi Chen; Yongfu Li 002; Yan Liu 016; Yong Lian 001 (ISCAS, 2023)

A Comprehensive Study on the Design Methodology of Level Shifter Circuits. - Yongfu Li 002; Jian Zhao 004; Yan Liu 016; Guoxing Wang (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)

On the Synthesis of Continuous-Time Sturdy MASH Delta-Sigma Modulators. - Jingying Zhang; Sai-Weng Sin; Yan Liu 016; Fan Ye 001; Guoxing Wang; Maurits Ortmanns; Liang Qi 002 (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

Analysis and Design of VCO-Based Neural Front-End With Mixed Domain Level-Crossing for Fast Artifact Recovery. - Huaiyu Liu; Yang Lin; Liang Qi 002; Yongwei Lou; Guoxing Wang; Yan Liu 016 (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)

A Two-Phase Multi-Bit Incremental ADC With Variable Loop Order. - Kaiquan Chen; Biao Wang; Yan Liu 016; Fan Ye 001; Sai-Weng Sin; Guoxing Wang; Yong Lian 001; Liang Qi 002 (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

A Shifting Current Mirror Driver Circuit for Electrical Impedance Tomography Applications. - Jiajie Huang; Chao Wang 101; Ting Zhou; Wangzilu Lu; Yang Zhao 007; Yan Liu 016; Yongfu Li 002 (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

A Two-Channel Time-Interleaved Continuous-Time Third-Order CIFF-Based Delta-Sigma Modulator. - Yue Hu; Yuekai Liu; Xinyu Qin; Yan Liu 016; Mingqiang Guo; Sai-Weng Sin; Guoxing Wang; Yong Lian 001; Liang Qi 002 (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)

A 10MHz-BW 85dB-DR CT 0-4 Mash Delta-Sigma Modulator Achieving +5dBFS MSA. - Gaofeng Tan; Xinyu Qin; Yan Liu 016; Mingqiang Guo; Sai-Weng Sin; Guoxing Wang; Yong Lian 001; Liang Qi 002 (IEEE Trans. Circuits Syst. I Regul. Pap., 2023)

A 5.76GS/s 180MHz-BW 74.1dB-DR 2x TI Extrapolated CT DSM with Broadband Hybrid-Inputs Current-Mode Adder in 28nm CMOS. - Yuekai Liu; Meng Guo; Yichen Jin; Yan Liu 016; Mingqiang Guo; Sai-Weng Sin; Zhichao Tan; Liang Qi 002 (A-SSCC, 2024)

RMMIC: A 40 μW Reconfigurable Multi-modal Multi-channel Interface Circuit System for Bio-signals Monitoring. - Ting Zhou; Jiajie Huang; Chao Wang 101; Yuzhi Hao; Yuxin Ji; Zhiwen Gu; Zhuo Gao; Feng Yang; Yuhang Zhang 008; Yang Zhao 007; Jian Zhao 004; Yan Liu 016; et al. (A-SSCC, 2024)

Special Issue on Selected Papers From APCCAS 2022. - Yan Liu 016; Yuan Du; Yang Zhao 007 (IEEE Open J. Circuits Syst., 2024)

A Low-Power Charge-Domain Bit-Scalable Readout System for Fully-Parallel Computing-in-Memory Accelerators. - Wei Mao 002; Fuyi Li; Jun Liu; Rui Xiao; Kejie Huang; Yongfu Li 002; Hao Yu 001; Yan Liu 016; Genquan Han (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

A SoC for an active implantable microsystem for closed-loop optogenetic neuromodulation. - Natalia Martínez; Berkay Özbek; Yan Liu 016; Dorian Haci; Peilong Feng; Ahmad Shah Idil; Sara S. Ghoreishizadeh; Nick Donaldson; Patrick Degenaar; Andrew Jackson 001; Timothy G. Constandinou (ISCAS, 2025)

A 1024-Channel Simultaneous Electrophysiological and Electrochemical Neural Recording System With In-Pixel Digitization and Crosstalk Compensation. - Xinguo Wang; Songyu Han; Peng Yan; Yang Lin; Chen Wang 130; Lei Qian; Pujia Xing; Yue Cao; Xinglei Song; Guoxing Wang; Timothy G. Constandinou; Yan Liu 016 (IEEE Trans. Biomed. Circuits Syst., 2025)

PWM-Based Impedance Boosting Technique With Autonomous Background Calibration for VCO-Based Neural Front Ends. - Huaiyu Liu; Yang Lin; Pujia Xing; Guoxing Wang; Yan Liu 016 (IEEE J. Solid State Circuits, 2025)