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Micromachined multi-parameter sensor chip for the control of polymer-degradation medium

  • It is well known that the degradation environment can strongly influence the biodegradability and kinetics of biodegradation processes of polymers. Therefore, besides the monitoring of the degradation process, it is also necessary to control the medium in which the degradation takes place. In this work, a micromachined multi-parameter sensor chip for the control of the polymer-degradation medium has been developed. The chip combines a capacitive field-effect pH sensor, a four-electrode electrolyte-conductivity sensor and a thin-film Pt-temperature sensor. The results of characterization of individual sensors are presented. In addition, the multi-parameter sensor chip together with an impedimetric polymer-degradation sensor was simultaneously characterized in degradation solutions with different pH and electrolyte conductivity. The obtained results demonstrate the feasibility of the multi-parameter sensor chip for the control of the polymer-degradation medium.

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Metadaten
Author:Marcel Leinhos, Sebastian Schusser, Matthias Bäcker, Arshak PoghossianORCiD, Michael Josef SchöningORCiD
DOI:https://doi.org/10.1002/pssa.201330364
ISSN:1521-396X (E-Journal); 1862-6319 (E-Journal); 0031-8965 (Print); 1862-6300 (Print)
Parent Title (English):Physica Status Solidi (A) : special issue on engineering and functional interfaces
Publisher:Wiley-VCH
Place of publication:Weinheim
Document Type:Article
Language:English
Year of Completion:2014
Date of the Publication (Server):2014/03/10
Volume:211
Issue:6
First Page:1346
Last Page:1351
Link:https://doi.org/10.1002/pssa.201330364
Zugriffsart:campus
Institutes:FH Aachen / Fachbereich Medizintechnik und Technomathematik
FH Aachen / INB - Institut für Nano- und Biotechnologien
collections:Verlag / Wiley-VCH