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A Novel Chest-Based PPG Measurement System

IEEE Journal of Translational Engineering in Health and Medicine
2024 | Journal article
DOI: 10.1109/JTEHM.2024.3471468
Contributors: Qiuyang Lin; Haocun Wang; Dwaipayan Biswas; Zheyi Li; Erika Lutin; Chris van Hoof; Mingyi Chen; Nick van Helleputte
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Crossref

Preclinical Evaluation of a Wearable Wristband with Compressed-Sensing Based Photoplethysmography

IEEE Transactions on Biomedical Engineering
2024 | Journal article
DOI: 10.1109/TBME.2024.3513462
Contributors: Parvez Ahmmed; Emily Garceau; Tahmid Latif; Alec Brewer; James Dieffenderfer; Jose Manuel Valero-Sarmiento; Venkata Rajesh Pamula; Nick Van Helleputte; Chris Van Hoof; Marian Verhelst et al.
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Physiological Profiling of Agitation in Dementia: Insights From Wearable Sensor Data

Innovation in Aging
2024-07-06 | Journal article
DOI: 10.1093/geroni/igae057
Contributors: Hannah Davidoff; Alex Van Kraaij; Laura Van den Bulcke; Erika Lutin; Mathieu Vandenbulcke; Nick Van Helleputte; Maarten De Vos; Chris Van Hoof; Maarten Van Den Bossche; Julie Blaskewicz Boron
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A Multichannel Electrochemical Sensor Interface IC for Bioreactor Monitoring

IEEE Transactions on Biomedical Circuits and Systems
2023-12 | Journal article
DOI: 10.1109/TBCAS.2023.3315480
Contributors: Qiuyang Lin; Wim Sijbers; Christina Avdikou; Didac Gomez; Dwaipayan Biswas; Bernardo Tacca; Nick Van Helleputte
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High-Throughput Nanopore-FET Array Readout IC With 5-MHz Bandwidth and Background Offset/Drift Calibration

IEEE Transactions on Circuits and Systems I: Regular Papers
2023-11 | Journal article
DOI: 10.1109/TCSI.2023.3311145
Contributors: Aurojyoti Das; Qiuyang Lin; Sybren Santermans; Lijun Liu; Chris Van Hoof; Georges G. E. Gielen; Nick Van Helleputte
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Actively Multiplexed μECoG Brain Implant System With Incremental-ΔΣ ADCs Employing Bulk-DACs

IEEE Journal of Solid-State Circuits
2022-11 | Journal article
DOI: 10.1109/JSSC.2022.3201704
Contributors: Xiaohua Huang; Horacio Londoño-Ramírez; Marco Ballini; Chris Van Hoof; Jan Genoe; Sebastian Haesler; Georges Gielen; Nick Van Helleputte; Carolina Mora Lopez
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A Compact, Low-Power Analog Front-End With Event-Driven Input Biasing for High-Density Neural Recording in 22-nm FDSOI

IEEE Transactions on Circuits and Systems II: Express Briefs
2022-03 | Journal article
DOI: 10.1109/TCSII.2021.3111257
Contributors: Xiaohua Huang; Marco Ballini; Shiwei Wang; Beatrice Miccoli; Chris van Hoof; Georges Gielen; Jan Craninckx; Nick van Helleputte; Carolina Mora Lopez
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A Compact Chopper Stabilized Δ-ΔΣ Neural Readout IC With Input Impedance Boosting

IEEE Open Journal of the Solid-State Circuits Society
2021 | Journal article
DOI: 10.1109/OJSSCS.2021.3113887
Contributors: Shiwei Wang; Marco Ballini; Xiaolin Yang; Chutham Sawigun; Jan-Willem Weijers; Dwaipayan Biswas; Nick Van Helleputte; Carolina Mora Lopez
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Crossref

Wearable Multiple Modality Bio-Signal Recording and Processing on Chip: A Review

IEEE Sensors Journal
2021 | Journal article
DOI: 10.1109/JSEN.2020.3016115
Source: Self-asserted source
Nick Van Helleputte

A 134 DB Dynamic Range Noise Shaping Slope Light-to-Digital Converter for Wearable Chest PPG Applications

IEEE Transactions on Biomedical Circuits and Systems
2021-12 | Journal article
DOI: 10.1109/TBCAS.2021.3130470
Contributors: Qiuyang Lin; Shuang Song; Roland Van Wegberg; Wim Sijbers; Dwaipayan Biswas; Mario Konijnenburg; Chris Van Hoof; Filip Tavernier; Nick Van Helleputte
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A 108 dB DR Δ∑-∑M Front-End With 720 mVpp Input Range and >±300 mV Offset Removal for Multi-Parameter Biopotential Recording

IEEE Transactions on Biomedical Circuits and Systems
2021-04 | Journal article
DOI: 10.1109/TBCAS.2021.3062632
Contributors: Xiaolin Yang; Jiawei Xu; Marco Ballini; Hosung Chun; Menglian Zhao; Xiaobo Wu; Chris Van Hoof; Carolina Mora Lopez; Nick Van Helleputte
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30.8 A 3.5mm×3.8mm Crystal-Less MICS Transceiver Featuring Coverages of ±160ppm Carrier Frequency Offset and 4.8-VSWR Antenna Impedance for Insertable Smart Pills

2020 IEEE International Solid- State Circuits Conference - (ISSCC)
2020 | Conference paper
DOI: 10.1109/ISSCC19947.2020.9063083
Source: Self-asserted source
Nick Van Helleputte

A 119dB Dynamic Range Charge Counting Light-to-Digital Converter For Wearable PPG/NIRS Monitoring Applications

IEEE Transactions on Biomedical Circuits and Systems
2020 | Journal article
DOI: 10.1109/TBCAS.2020.3001449
Source: Self-asserted source
Nick Van Helleputte
grade
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A 50μW Fully Differential Interface Amplifier With a Current Steering Class AB Output Stage for PPG and NIRS Recordings

IEEE Transactions on Circuits and Systems II: Express Briefs
2020 | Journal article
DOI: 10.1109/TCSII.2020.3002952
Source: Self-asserted source
Nick Van Helleputte
grade
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An Artificial Iris ASIC with High Voltage Liquid Crystal Driver, 10 nA Light Range Detector and 40 nA Blink Detector for LCD Flicker Removal

2020 IEEE Symposium on VLSI Circuits
2020 | Conference paper
DOI: 10.1109/VLSICircuits18222.2020.9163057
Source: Self-asserted source
Nick Van Helleputte

An Artificial Iris ASIC With High Voltage Liquid Crystal Driver, 10-nA Light Range Detector and 40-nA Blink Detector for LCD Flicker Removal

IEEE Solid-State Circuits Letters
2020 | Journal article
DOI: 10.1109/LSSC.2020.3032232
Source: Self-asserted source
Nick Van Helleputte
grade
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Binary CorNET: Accelerator for HR Estimation From Wrist-PPG

IEEE Transactions on Biomedical Circuits and Systems
2020 | Journal article
DOI: 10.1109/TBCAS.2020.3001675
Source: Self-asserted source
Nick Van Helleputte
grade
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Miniaturized Electronic Circuit Design Challenges for Ingestible Devices

Journal of Microelectromechanical Systems
2020 | Journal article
DOI: 10.1109/JMEMS.2020.3006580
Source: Self-asserted source
Nick Van Helleputte
grade
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22.1 A 769μW Battery-Powered Single-Chip SoC With BLE for Multi-Modal Vital Sign Health Patches

2019 IEEE International Solid- State Circuits Conference - (ISSCC)
2019 | Conference paper
DOI: 10.1109/ISSCC.2019.8662520
Source: Self-asserted source
Nick Van Helleputte
grade
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22.5 A Bio-Impedance Readout IC With Digital-Assisted Baseline Cancellation for 2-Electrode Measurement

2019 IEEE International Solid- State Circuits Conference - (ISSCC)
2019 | Conference paper
DOI: 10.1109/ISSCC.2019.8662433
Source: Self-asserted source
Nick Van Helleputte
grade
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A 196μW, Reconfigurable Light-to-Digital Converter with 119dB Dynamic Range, for Wearable PPG/NIRS Sensors

2019 Symposium on VLSI Circuits
2019 | Conference paper
DOI: 10.23919/VLSIC.2019.8778004
Source: Self-asserted source
Nick Van Helleputte
grade
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A 400 GΩ Input-Impedance Active Electrode for Non-Contact Capacitively Coupled ECG Acquisition With Large Linear-Input-Range and High CM-Interference-Tolerance

IEEE Transactions on Biomedical Circuits and Systems
2019 | Journal article
DOI: 10.1109/TBCAS.2019.2895660
Source: Self-asserted source
Nick Van Helleputte
grade
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A 5-Channel Unipolar Fetal-ECG Readout IC for Patch-Based Fetal Monitoring

IEEE Solid-State Circuits Letters
2019 | Journal article
DOI: 10.1109/LSSC.2019.2931608
Source: Self-asserted source
Nick Van Helleputte
grade
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A 5-Channel Unipolar Fetal-ECG Readout IC for Patch-Based Fetal Monitoring

ESSCIRC 2019 - IEEE 45th European Solid State Circuits Conference (ESSCIRC)
2019 | Conference paper
DOI: 10.1109/ESSCIRC.2019.8902797
Source: Self-asserted source
Nick Van Helleputte
grade
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A 769 μW Battery-Powered Single-Chip SoC With BLE for Multi-Modal Vital Sign Monitoring Health Patches

IEEE Transactions on Biomedical Circuits and Systems
2019 | Journal article
DOI: 10.1109/TBCAS.2019.2945114
Source: Self-asserted source
Nick Van Helleputte
grade
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A Compact Quad-Shank CMOS Neural Probe With 5,120 Addressable Recording Sites and 384 Fully Differential Parallel Channels

IEEE Transactions on Biomedical Circuits and Systems
2019 | Journal article
DOI: 10.1109/TBCAS.2019.2942450
Source: Self-asserted source
Nick Van Helleputte
grade
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A Wearable Wrist-Band with Compressive Sensing based Ultra-Low Power Photoplethysmography Readout Circuit

2019 IEEE 16th International Conference on Wearable and Implantable Body Sensor Networks (BSN)
2019 | Conference paper
DOI: 10.1109/BSN.2019.8771074
Source: Self-asserted source
Nick Van Helleputte
grade
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BioTranslator: Inferring R-Peaks from Ambulatory Wrist-Worn PPG Signal

2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
2019 | Conference paper
DOI: 10.1109/EMBC.2019.8856450
Source: Self-asserted source
Nick Van Helleputte
grade
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CorNET: Deep Learning Framework for PPG-Based Heart Rate Estimation and Biometric Identification in Ambulant Environment

IEEE Transactions on Biomedical Circuits and Systems
2019 | Journal article
DOI: 10.1109/TBCAS.2019.2892297
Source: Self-asserted source
Nick Van Helleputte
grade
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Design and fabrication of CMOS-based neural probes for large-scale electrophysiology

2019 IEEE International Electron Devices Meeting (IEDM)
2019 | Conference paper
DOI: 10.1109/IEDM19573.2019.8993529
Source: Self-asserted source
Nick Van Helleputte

Heart Rate Estimation From Wrist-Worn Photoplethysmography: A Review

IEEE Sensors Journal
2019 | Journal article
DOI: 10.1109/JSEN.2019.2914166
Source: Self-asserted source
Nick Van Helleputte
grade
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Neuropixels Data-Acquisition System: A Scalable Platform for Parallel Recording of 10 000+ Electrophysiological Signals

IEEE Transactions on Biomedical Circuits and Systems
2019 | Journal article
DOI: 10.1109/TBCAS.2019.2943077
Source: Self-asserted source
Nick Van Helleputte
grade
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A Bio-Impedance Readout IC With Digital-Assisted Baseline Cancellation for Two-Electrode Measurement

IEEE Journal of Solid-State Circuits
2019-11 | Journal article
DOI: 10.1109/JSSC.2019.2939077
Contributors: Hyunsoo Ha; Wim Sijbers; Roland Van Wegberg; Jiawei Xu; Mario Konijnenburg; Peter Vis; Arjan Breeschoten; Shuang Song; Chris Van Hoof; Nick Van Helleputte
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Motion Artifact Reduction for Wrist-Worn Photoplethysmograph Sensors Based on Different Wavelengths

Sensors
2019-02-07 | Journal article
DOI: 10.3390/s19030673
Contributors: Yifan Zhang; Shuang Song; Rik Vullings; Dwaipayan Biswas; Neide Simões-Capela; Nick van Helleputte; Chris van Hoof; Willemijn Groenendaal
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A 0.6V 3.8μW ECG/bio-impedance monitoring IC for disposable health patch in 40nm CMOS

2018 IEEE Custom Integrated Circuits Conference (CICC)
2018 | Conference paper
DOI: 10.1109/CICC.2018.8357025
Source: Self-asserted source
Nick Van Helleputte
grade
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A 16384-electrode 1024-channel multimodal CMOS MEA for high-throughput intracellular action potential measurements and impedance spectroscopy in drug-screening applications

2018 IEEE International Solid - State Circuits Conference - (ISSCC)
2018 | Conference paper
DOI: 10.1109/ISSCC.2018.8310385
Source: Self-asserted source
Nick Van Helleputte
grade
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A 36 μW 1.1 mm2 Reconfigurable Analog Front-End for Cardiovascular and Respiratory Signals Recording

IEEE Transactions on Biomedical Circuits and Systems
2018 | Journal article
DOI: 10.1109/TBCAS.2018.2814699
Source: Self-asserted source
Nick Van Helleputte
grade
Preferred source (of 3)‎

A 665 μW Silicon Photomultiplier-Based NIRS/EEG/EIT Monitoring ASIC for Wearable Functional Brain Imaging

IEEE Transactions on Biomedical Circuits and Systems
2018 | Journal article
DOI: 10.1109/TBCAS.2018.2883289
Source: Self-asserted source
Nick Van Helleputte
grade
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A 665μW silicon photomultiplier-based NIRS/EEG/EIT monitoring asic for wearable functional brain imaging

2018 IEEE International Solid - State Circuits Conference - (ISSCC)
2018 | Conference paper
DOI: 10.1109/ISSCC.2018.8310300
Source: Self-asserted source
Nick Van Helleputte
grade
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A Multimodal CMOS MEA for High-Throughput Intracellular Action Potential Measurements and Impedance Spectroscopy in Drug-Screening Applications

IEEE Journal of Solid-State Circuits
2018 | Journal article
DOI: 10.1109/JSSC.2018.2863952
Source: Self-asserted source
Nick Van Helleputte
grade
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BiometricNet: Deep Learning based Biometric Identification using Wrist-Worn PPG

2018 IEEE International Symposium on Circuits and Systems (ISCAS)
2018 | Conference paper
DOI: 10.1109/ISCAS.2018.8350983
Source: Self-asserted source
Nick Van Helleputte
grade
Preferred source (of 2)‎

Measurement and Analysis of Input-Signal Dependent Flicker Noise Modulation in Chopper Stabilized Instrumentation Amplifier

IEEE Solid-State Circuits Letters
2018 | Journal article
DOI: 10.1109/LSSC.2018.2855429
Source: Self-asserted source
Nick Van Helleputte
grade
Preferred source (of 3)‎

A 0.6-V, 0.015-mm2, Time-Based ECG Readout for Ambulatory Applications in 40-nm CMOS

IEEE Journal of Solid-State Circuits
2017 | Journal article
DOI: 10.1109/JSSC.2016.2615320
Source: Self-asserted source
Nick Van Helleputte
grade
Preferred source (of 2)‎

A 36μW reconfigurable analog front-end IC for multimodal vital signs monitoring

2017 Symposium on VLSI Circuits
2017 | Conference paper
DOI: 10.23919/VLSIC.2017.8008469
Source: Self-asserted source
Nick Van Helleputte
grade
Preferred source (of 2)‎

A bio-impedance readout IC with frequency sweeping from 1k-to-1MHz for electrical impedance tomography

2017 Symposium on VLSI Circuits
2017 | Conference paper
DOI: 10.23919/VLSIC.2017.8008471
Source: Self-asserted source
Nick Van Helleputte
grade
Preferred source (of 2)‎

A Neural Probe With Up to 966 Electrodes and Up to 384 Configurable Channels in 0.13 $μ$m SOI CMOS

IEEE Transactions on Biomedical Circuits and Systems
2017 | Journal article
DOI: 10.1109/TBCAS.2016.2646901
Source: Self-asserted source
Nick Van Helleputte
grade
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22.4 A 172µW compressive sampling photoplethysmographic readout with embedded direct heart-rate and variability extraction from compressively sampled data

2016 IEEE International Solid-State Circuits Conference (ISSCC)
2016 | Conference paper
DOI: 10.1109/ISSCC.2016.7418069
Source: Self-asserted source
Nick Van Helleputte
grade
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28.4 A battery-powered efficient multi-sensor acquisition system with simultaneous ECG, BIO-Z, GSR, and PPG

2016 IEEE International Solid-State Circuits Conference (ISSCC)
2016 | Conference paper
DOI: 10.1109/ISSCC.2016.7418116
Source: Self-asserted source
Nick Van Helleputte
grade
Preferred source (of 2)‎

28.5 A 0.6V 0.015mm2 time-based biomedical readout for ambulatory applications in 40nm CMOS

2016 IEEE International Solid-State Circuits Conference (ISSCC)
2016 | Conference paper
DOI: 10.1109/ISSCC.2016.7418117
Source: Self-asserted source
Nick Van Helleputte
grade
Preferred source (of 2)‎

A Multi(bio)sensor Acquisition System With Integrated Processor, Power Management, $8 \times 8$ LED Drivers, and Simultaneously Synchronized ECG, BIO-Z, GSR, and Two PPG Readouts

IEEE Journal of Solid-State Circuits
2016 | Journal article
DOI: 10.1109/JSSC.2016.2605660
Source: Self-asserted source
Nick Van Helleputte
grade
Preferred source (of 2)‎
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