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Multi-Channel Front-End for Electrochemical Sensing of Metabolites, Drugs, and Electrolytes
2019
IEEE Sensors Journal
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A multi-channel front-end for electrochemical sensing is presented. It consists of a multiplexed four-channel readout interface supporting amperometric, voltammetric, and potentiometric measurements. ...
The programmability, versatility and portability of the front-end interface paves the way for a continuous monitoring of different families of biomarkers, suitable for advanced healthcare diagnosis and ...
CIRCUIT ARCHITECTURE In this section, the analog front-end circuitry for amperometric and potentiometric measurements are described.
A. ...
doi:10.1109/jsen.2019.2959885
fatcat:5o4zhymwxnd7vac62lzpoyq44y
Construction and analytical applications of a palm-sized microcontroller-based amperometric analyzer
2005
Sensors and actuators. B, Chemical
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The use of a microcontroller combined with analog and digital supporting circuits allows: (i) generation of the applied potential and the acquisition of analog signals with a gain auto-scaling capability ...
The design and development of a palm-sized (9 cm × 11 cm × 3 cm), cost-effective, microcontroller-operated analyzer for direct amperometric measurements is described. ...
For achieving the highest possible precision over a wide dynamic range of i CELL -values the analyzer is equipped with the capability of auto-scaling, i.e. the software through the analog multiplexer S ...
doi:10.1016/j.snb.2004.10.029
fatcat:xqsd3lvvn5depl3gnas4oiywpa
CMOS Analog Front-End IC for Gas Sensors
2011
Additional Conferences (Device Packaging, HiTEC, HiTEN, & CICMT)
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This thesis presents a gas sensor readout IC for amperometric and conductometric electrochemical sensors. ...
The Analog Front-End (AFE) readout circuit enables tracking long term exposure to hazardous gas fumes in diesel and gasoline equipments, which may be correlated to diseases. ...
Figure 6 . 1 61 Micrograph of the analog front end IC for gas sensor system. ...
doi:10.4071/2011dpc-wp25
fatcat:k6lqrnkh3rhmdklep3w2qa3ioe
KickStat: A Coin-Sized Potentiostat for High-Resolution Electrochemical Analysis
2020
Sensors
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The demand for wearable and point-of-care devices has led to an increase in electrochemical sensor development to measure an ever-increasing array of biological molecules. ...
We measured the faradaic current of an anti-cocaine aptamer using cyclic voltammetry and square wave voltammetry and demonstrated that KickStat's response was within 0.6% of a high-end benchtop potentiostat ...
Acknowledgments: We would like to thank Peter Kissinger, Frédérique Deiss, Netz Arroyo, Rebecca Lai, and Kevin Plaxco for their advice on electrochemistry techniques. ...
doi:10.3390/s20082407
pmid:32340294
fatcat:bzedn5hoindsxbju73nm3lkgsu
Portable Bio-Devices: Design of electrochemical instruments from miniaturized to implantable devices
[chapter]
2011
New Perspectives in Biosensors Technology and Applications
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Proposed generic implantable front-end architecture.Fig. 20. ...
for amperometric chemical sensors for a Glucose Meter Application. ...
Miribel-Catala, A. Ivoń Rodriǵuez-Villarreal and Josep Samitier (2011) . ...
doi:10.5772/17212
fatcat:ydwxqmix7nbtpfllba5ndz3ecy
Wireless Integrated Biosensors for Point-of-Care Diagnostic Applications
2015
Sensors
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In this review paper, we examine three major categories of miniaturized integrated devices, namely; the implantable Wireless Bio-Sensors (WBSs), the wearable WBSs and the handheld WBSs. ...
Recent advances in integrated biosensors, wireless communication and power harvesting techniques are enticing researchers into spawning a new breed of point-of-care (POC) diagnostic devices that have attracted ...
Acknowledgments The author would like to thank NSERC Canada for support. The author would also like to acknowledge the proofreading and editing of M. Amara. ...
doi:10.3390/s150203236
pmid:25648709
pmcid:PMC4367357
fatcat:p22oxy5jhfcjhgbpg2kl7jgucu
How to Assess the Measurement Performance of Mobile/Wearable Point-of-Care Testing Devices? A Systematic Review Addressing Sweat Analysis
2022
Electronics
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Recent advances in technologies for biosensor integration in mobile or wearable devices have highlighted the need for the definition of proper validation procedures and technical standards that enable ...
Thus, reliable assessment—in terms of limits of detection/quantitation, linearity, range, analytical and diagnostic sensitivity/specificity, accuracy, repeatability, reproducibility, cross-reactivity, ...
• A DC-DC converter (or low-dropout voltage regulator, etc.) to realize regulated and stable voltage from one single power supply and suitable for all the electronic sections-the analog front end and ...
doi:10.3390/electronics11050761
fatcat:yqz4r6buzzewrkvuaepxhrhv2a
Microfabrication techniques for chemical/biosensors
2003
Proceedings of the IEEE
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Microfabrication processes for chemical and biochemical sensors are reviewed. ...
Fundamental chemical sensor principles are briefly abstracted and corresponding state-of-the-art examples of microfabricated chemical sensors and biosensors are given. ...
CMOS Integrated Voltammetric/Amperometric Sensor Two different electrode configurations are commonly used for voltammetric/amperometric measurements. ...
doi:10.1109/jproc.2003.813583
fatcat:oezy7icqjja4xgi6jg2v7dwkz4
Wearable sweat sensors
2018
Nature Electronics
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Various physical and chemical sensors will need to be integrated to obtain a complete picture of dynamic health. ...
Ions including Ca 2+ and K + are present in the mM range. ...
Acknowledgements The authors acknowledge support from the National Science Foundation (NSF), Berkeley Sensor and Actuator Center (BSAC), NSF Nanomanufacturing Systems for Mobile Computing and Mobile Energy ...
doi:10.1038/s41928-018-0043-y
fatcat:lllldc2spretfpxyf53japh3v4
Genosensor on gold films with enzymatic electrochemical detection of a SARS virus sequence☆
2005
Biosensors & bioelectronics
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The use of a sensitive electrochemical technique such as square wave voltammetry allowed a detection limit of 6 pM to be obtained for this DNA sequence, lower than any other found in the bibliography. ...
A complementary strand (probe), labelled with a thiol group at the 3'-end, was immobilised on the film. ...
Detection limit and linear dynamic range With the optimised parameters, calibration curves were performed for IC and ␣-naphthol. ...
doi:10.1016/j.bios.2004.10.019
pmid:15797323
pmcid:PMC7126974
fatcat:y3mxozab4vhgvntdutjffdod2u
A Bidirectional-Current CMOS Potentiostat for Fast-Scan Cyclic Voltammetry Detector Arrays
2018
IEEE Transactions on Biomedical Circuits and Systems
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He is currently also with ExoCytronics LLC, Columbia, MO, where he is working on data acquisition hardware and software for electrochemical sensor arrays. ...
, and high-throughput drug screening. ...
His research interests include low-power analog, mixed-signal, and RF integrated circuit design. ...
doi:10.1109/tbcas.2018.2828828
pmid:29994774
pmcid:PMC6131114
fatcat:gq7f45eojvanzizzj4oukp5j3q
70 years of bilirubin sensing: towards the point-of-care bilirubin monitoring in cirrhosis and hyperbilirubinemia
2022
Sensors & Diagnostics
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Bilirubin is clinically confirmed as a biomarker for liver health and has been utilized to implement the prognostic systems for cirrhosis and hyperbilirubinemia. ...
Optical and chemical methods have been developed... ...
It incorporates a light sensor system (LEDs, a photodiode, and probes), analog front end (AFE), Analog -to -Digital Converter (ADC), an MCU and a display system. ...
doi:10.1039/d2sd00033d
fatcat:iukkx2e2lbed5iewy6r5bfw56u
Development of a computer controlled multichannel potentiostat for applications with flowing solution analysis
1995
Analytica Chimica Acta
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Control o f the purpose built instrumentation was effected with a 486-33 personal computer and Analog D evices RTI-815 and RTI-817 data acquisition/control cards, which are responsible for hardware control ...
ic and technical o f the School o f C hem ical Sciences, D ublm City U niversity, for their valuable assistance durmg m y stay m Ireland I w ould like to thank D octor Peter Filelden for the donation ...
or other analogue output o f an instrument or sensor to a binary form that can be handled by the digital computer ADC's are characterised by their resolution, dynamic range, and maximum through-put The ...
doi:10.1016/0003-2670(94)00482-2
fatcat:h4q2syipr5fmpgts2uzhv46wti
Recent Progress in Rapid Determination of Mycotoxins Based on Emerging Biorecognition Molecules: A Review
2022
Toxins
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and high-throughput multiplexing, and determination of masked mycotoxins, including stereoisomeric degradation products. ...
There is an urgent demand for new low-cost, easy-to-use, and portable analytical devices for rapid on-site determination. ...
This sensor possessed excellent performance, with an LOD of 0.66 pM for PAT and a logarithmic linear range from 0.001 to 100 nM. ...
doi:10.3390/toxins14020073
pmid:35202100
pmcid:PMC8874725
fatcat:bco5t4fugbektnuis3peuph7iu
2020 Index IEEE Transactions on Instrumentation and Measurement Vol. 69
2020
IEEE Transactions on Instrumentation and Measurement
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Converter Using All-Digital Nested Delay-Locked Loops With 50-ps Resolution and High Throughput for LiDAR TIM Nov. 2020 9262-9271 Helsen, J., see Huchel, L., TIM July 2020 4145-4153 Hemavathi, N., ...
Oct. 2020 7530-7541 Hernandez, A., see Aparicio-Esteve, E., TIM Aug. 2020 5589-5603 Hernandez, H., de Souza Sanches, B.C., Carvalho, D., Bregant, M ...
., +, TIM May 2020 2208-2217 A Compact Low-Power Current-to-Digital Readout Circuit for Amperometric Electrochemical Sensors. ...
doi:10.1109/tim.2020.3042348
fatcat:a5f4fsqs45fbbetre6zwsg3dly
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