Toward a hydrogen peroxide sensor for exhaled breath analysis

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Abstract

In this contribution a chip-integrated amperometric sensor for the detection of H 2O 2 in exhaled breath condensate (EBC) is reported. The electrode chip is characterized, and detection of H 2O 2 in an aqueous phase is shown by means of cyclic voltammetry (CV) and amperometry. Variation of conditions such as the composition of the supporting electrolyte largely influences the obtained electrochemical response. Also it is found that electrochemical pretreatment of the platinum working electrode aiming at surface oxidation improves the detection limit of the sensor. Finally, the device is applied to measurement of H 2O 2 in the gaseous phase. © 2011 Published by Elsevier Ltd.

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APA

Wiedemair, J., Van Dorp, H. D. S., Olthuis, W., & Van Den Berg, A. (2011). Toward a hydrogen peroxide sensor for exhaled breath analysis. In Procedia Engineering (Vol. 25, pp. 116–119). https://doi.org/10.1016/j.proeng.2011.12.029

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