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Proceedings 2017, 1(4), 435; doi:10.3390/proceedings1040435

Impedimetric Biosensor to Enable Fast Evaluation of Gaseous Sterilization Processes

1
Institute of Nano- and Biotechnologies (INB), FH Aachen University of Applied Sciences, Heinrich-Mußmann-Str. 1, 52428 Jülich, Germany
2
Institute of Pharmaceutical Chemistry, Philipps-University Marburg, Marbacher Weg 6-10, 35037 Marburg, Germany
3
Elopak EQS GmbH, Hanns-Martin-Schleyer-Str. 17, 41199 Mönchengladbach, Germany
4
Peter-Grünberg Institute (PGI-8), Forschungszentrum Jülich GmbH, 52428 Jülich, Germany
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 8 August 2017
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Abstract

Sterilization of packages prior to product filling is a key step in aseptic filling machines. Chemical sterilization is one of the main conventional techniques in many packaging industries. To monitor the effect of sterilization on test microorganisms (Bacillus atrophaeus spores), an impedimetric sensor approach was developed based on a planar interdigitated electrode (IDE) design. In this work, sensor measurements were conducted to prove sensor functionality at different hydrogen peroxide concentrations.
Keywords: interdigitated electrodes; gaseous sterilization processes; hydrogen peroxide; microbiological spores; aseptic filling interdigitated electrodes; gaseous sterilization processes; hydrogen peroxide; microbiological spores; aseptic filling
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Oberländer, J.; Arreola, J.; Hansen, C.; Greeff, A.; Mayer, M.; Keusgen, M.; Schöning, M.J. Impedimetric Biosensor to Enable Fast Evaluation of Gaseous Sterilization Processes. Proceedings 2017, 1, 435.

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