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Wireless tear glucose sensor

: Hennig, Andreas; Lauko, J.; Grabmaier, Anton; Wilson, C.

Postprint (PDF; )

Procedia Engineering 87 (2014), S.66-69
ISSN: 1877-7058
European Conference on Solid-State Transducers (Eurosensors) <28, 2014, Brescia>
Zeitschriftenaufsatz, Konferenzbeitrag, Elektronische Publikation
Fraunhofer IMS ()
diabetes; glucose sensor; amperiometry; electrodes; glucose oxidase; wireless; transponder

This paper presents a novel wireless tear glucose level sensor for diabetes patients. The miniaturized sensor can be worn noninvasively under the eye lid. It is composed of a chronoamperometric glucose sensor and an ASIC set with integrated potentiostat and transponder circuits. Wireless energy and data transmission according to the passive transponder standard ISO18000-3 is used to power and readout the sensor. A special coil shape enables high comfort for the patient. High integration level is achieved by a combination of antenna and sensor electrode wires. A complete demonstrator system including ASIC and sensor fabrication as well as assembly was manufactured and the function is demonstrated.