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11.2 A CMOS Biosensor Array with 1024 3-Electrode Voltammetry Pixels and 93dB Dynamic Range | IEEE Conference Publication | IEEE Xplore

11.2 A CMOS Biosensor Array with 1024 3-Electrode Voltammetry Pixels and 93dB Dynamic Range


Abstract:

Electro-analytical (E-chem) biosensors offer unique advantages over widely used optical biosensors and can be considered ideal for low-cost, mass-deployable point-of-care...Show More

Abstract:

Electro-analytical (E-chem) biosensors offer unique advantages over widely used optical biosensors and can be considered ideal for low-cost, mass-deployable point-of-care (PoC) diagnostic devices [1]. They possess fully electronic and real-time transduction methods and require little or no external instrumentation. Despite these advantages, two fundamental challenges have hampered broad adoption of E-chem biosensors: 1C design and transducer (surface) material suitability. E-chem sensors require both low-noise and high detection dynamic range (DDR) front-end circuits and must also accommodate electrode-electrolyte interfaces with significant PVT variations and temporal drifts [2]-[5]. The absence of CMOS-compatible bio-electronic interfaces with adequate chemical and thermal stability has been another impediment [6].
Date of Conference: 17-21 February 2019
Date Added to IEEE Xplore: 07 March 2019
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Conference Location: San Francisco, CA, USA

References

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