Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/12108
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dc.contributor.authorBaecker, M.-
dc.contributor.authorPouyeshman, S.-
dc.contributor.authorSchnitzler, Th.-
dc.contributor.authorPoghossian, A.-
dc.contributor.authorWAGNER, Patrick-
dc.contributor.authorBiselli, M.-
dc.contributor.authorSchoening, M. J.-
dc.date.accessioned2011-08-10T09:41:41Z-
dc.date.availableNO_RESTRICTION-
dc.date.available2011-08-10T09:41:41Z-
dc.date.issued2011-
dc.identifier.citationPHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 208(6). p. 1364-1369-
dc.identifier.issn1862-6300-
dc.identifier.urihttp://hdl.handle.net/1942/12108-
dc.description.abstractThis paper describes the design and characterization of a silicon based sensor chip for monitoring of fermentation processes. The sensor chip consists of three sensors using different transducer principles. A capacitive electrolyte-insulator-semiconductor (EIS) field-effect structure with Ta(2)O(5) as gate material was utilized as pH sensor. An electrolyte conductivity sensor was realized by measuring the impedance between two interdigitated electrodes (IDE). A platinum thermistor was included for temperature measurements. The EIS sensor was integrated into a bioreactor and successfully used for an inline pH measurement. The layout of the IDE has been optimized with respect to a high cell constant and a wide detectable conductivity range. The integrated platinum thermistor allowed for temperature compensation of the electrolyte conductivity measurement. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim-
dc.description.sponsorshipThe authors would like to thank the Federal Ministry of Education and Research (BMBF) for financial support within the frame of the project 'Cellsens'.-
dc.language.isoen-
dc.publisherWILEY-BLACKWELL-
dc.subject.otherelectrochemical sensor; electrolyte conductivity; field-effect; process monitoring-
dc.subject.otherelectrochemical sensor; electrolyte conductivity; field-effect; process monitoring-
dc.titleA silicon-based multi-sensor chip for monitoring of fermentation processes-
dc.typeJournal Contribution-
dc.identifier.epage1369-
dc.identifier.issue6-
dc.identifier.spage1364-
dc.identifier.volume208-
local.format.pages6-
local.bibliographicCitation.jcatA1-
dc.description.notesSchoning, MJ (reprint author),[Backer, M; Pouyeshman, S; Schnitzler, T; Poghossian, A; Biselli, M; Schoning, MJ] Aachen Univ Appl Sci, Inst Nano & Biotechnol, D-52428 Julich, Germany [Backer, M; Poghossian, A; Biselli, M; Schoning, MJ] Res Ctr Julich, Peter Gruenberg Inst PGI 8, D-52425 Julich, Germany [Wagner, P] Hasselt Univ, Inst Mat Res, B-3590 Diepenbeek, Belgium schoening@fh-aachen.de-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.bibliographicCitation.oldjcatA1-
dc.identifier.doi10.1002/pssa.201001139-
dc.identifier.isi000292945800026-
item.fulltextWith Fulltext-
item.contributorBaecker, M.-
item.contributorPouyeshman, S.-
item.contributorSchnitzler, Th.-
item.contributorPoghossian, A.-
item.contributorWAGNER, Patrick-
item.contributorBiselli, M.-
item.contributorSchoening, M. J.-
item.fullcitationBaecker, M.; Pouyeshman, S.; Schnitzler, Th.; Poghossian, A.; WAGNER, Patrick; Biselli, M. & Schoening, M. J. (2011) A silicon-based multi-sensor chip for monitoring of fermentation processes. In: PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 208(6). p. 1364-1369.-
item.accessRightsRestricted Access-
item.validationecoom 2012-
crisitem.journal.issn1862-6300-
crisitem.journal.eissn1862-6319-
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