Articles | Volume 3, issue 2
https://doi.org/10.5194/jsss-3-291-2014
https://doi.org/10.5194/jsss-3-291-2014
Regular research article
 | 
17 Nov 2014
Regular research article |  | 17 Nov 2014

Compensation for the influence of temperature and humidity on oxygen diffusion in a reactive polymer matrix

P. Marek, J. J. Velasco-Veléz, T. Doll, and G. Sadowski

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Latest update: 28 Mar 2024
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Short summary
A time-monitoring oxygen sensor based on a diffusion-controlled oxygen reaction of the indicator system methylene blue (MB)/leuco methylene blue (LMB) and riboflavin was embedded in a water-loaded poly(vinyl alcohol) (PVA) matrix. It can be used in packaging, sensors, and biotechnology applications. Since the oxygen diffusion coefficient in the PVA matrix strongly depends on temperature and humidity, two different approaches were developed within this work to compensate for these two effects.