A CMOS Self-Powered Front-End Architecture for Subcutaneous by Jordi Colomer-Farrarons, Pere MIRIBEL

By Jordi Colomer-Farrarons, Pere MIRIBEL

A CMOS Self-Powered Front-End structure for Subcutaneous Event-Detector units provides the belief and prototype awareness of a Self-Powered structure for subcutaneous detector units. The structure is designed to paintings as a true/false (event detector) or threshold point alarm of a few components, ions, etc... which are detected via a three-electrodes amperometric BioSensor procedure. The equipment is envisaged as a Low-Power subcutaneous implantable software powered by means of an inductive hyperlink, one emitter antenna on the exterior part of the surface and the receiver antenna below the outside. The sensor is managed with a Potentiostat circuit after which, a post-processing unit detects the specified degrees and prompts the transmission through a backscattering process by means of the inductive hyperlink. the entire instrumentation, other than the facility module, is applied within the so referred to as BioChip. Following the assumption of the powering hyperlink to reap strength of the magnetic brought about hyperlink on the implanted equipment, a Multi-Harvesting energy Chip (MHPC) has been additionally designed.

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Extra info for A CMOS Self-Powered Front-End Architecture for Subcutaneous Event-Detector Devices: Three-Electrodes Amperometric Biosensor Approach

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75(21), 455A–461A (2003) 107. D’. , Low-voltage low-power integrated analog lock-in amplifier for gas sensor applications. Sens. Actuators B: Chem. 046 References 35 108. M. Min, T. Parve, Improvement of lock-in electrical bio-impedance analyzer for implantable medical devices. IEEE Trans. Instrum. Meas. 56(3), 968–974 (June 2007) 109. A. Wolpert, Use of continous glucose monitoring in the detection and prevention of hypoglycemia, J. Diabetes Sci. Technol. 1(1), 146–150 (Jan 2007) 110. com/2008/12/11/tokyo-subway-stations-get-piezoelectric-floors/ 111.

They can be integrated into other technologies such as Lab-on-Chip to facilitate molecular diagnostics allowing a wide range of applications like the detection of microorganisms in various samples or in body fluids and detection of tissue pathology such as cancer. Their portability makes them ideal for pathogenesis of cancer (POC) applications. Some examples related with glucose sensing and NanoBioSensors are presented in [79, 80] where electrodes based on carbon nanotubes and nanoporus of polypyrrole (PPy) respectively are reported to define amperometric glucose monitoring.

In faradaic Biosensors a Redox species is alternately oxidized and reduced by the transfer of an electron to and from the metal electrode; so, a Redox-active species is necessary. On the other hand, in non-faradic sensors no specific or additional reagent is required. Sometimes, a non-faradaic sensor used at a single frequency of operation is designated as capacitive Biosensor. Thanks to the advances in Biosensors design, some of them are used in the analysis of trace substances in environmental science, pharmaceutical and food industries.

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