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@ARTICLE{Huck:155448,
      author       = {Huck, Christina and Poghossian, Arshak and Kerroumi, Iman
                      and Schusser, Sebastian and Bäcker, Matthias and Zander,
                      Willi and Schubert, Jürgen and Buniatyan, Vahe V. and
                      Martirosyan, Norayr W. and Wagner, Patrick and Schöning,
                      Michael J.},
      title        = {{M}ultiparameter {S}ensor {C}hip with {B}arium {S}trontium
                      {T}itanate as {M}ultipurpose {M}aterial},
      journal      = {Electroanalysis},
      volume       = {26},
      number       = {5},
      issn         = {1040-0397},
      address      = {Weinheim},
      publisher    = {Wiley-VCH-Verl.},
      reportid     = {FZJ-2014-04614},
      pages        = {980 - 987},
      year         = {2014},
      abstract     = {It is well known that biochemical and biotechnological
                      processes are strongly dependent and affected by a variety
                      of physico-chemical parameters such as pH value,
                      temperature, pressure and electrolyte conductivity.
                      Therefore, these quantities have to be monitored or
                      controlled in order to guarantee a stable process operation,
                      optimization and high yield. In this work, a sensor chip for
                      the multiparameter detection of three physico-chemical
                      parameters such as electrolyte conductivity, pH and
                      temperature is realized using barium strontium titanate
                      (BST) as multipurpose material. The chip integrates a
                      capacitively coupled four-electrode electrolyte-conductivity
                      sensor, a capacitive field-effect pH sensor and a thin-film
                      Pt-temperature sensor. Due to the multifunctional properties
                      of BST, it is utilized as final outermost coating layer of
                      the processed sensor chip and serves as passivation and
                      protection layer as well as pH-sensitive transducer material
                      at the same time. The results of testing of the individual
                      sensors of the developed multiparameter sensor chip are
                      presented. In addition, a quasi-simultaneous multiparameter
                      characterization of the sensor chip in buffer solutions with
                      different pH value and electrolyte conductivity is
                      performed. To study the sensor behavior and the suitability
                      of BST as multifunctional material under harsh environmental
                      conditions, the sensor chip was exemplarily tested in a
                      biogas digestate.},
      cin          = {PGI-8 / JARA-FIT / ICS-8},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-8-20110106 / $I:(DE-82)080009_20140620$ /
                      I:(DE-Juel1)ICS-8-20110106},
      pnm          = {423 - Sensorics and bioinspired systems (POF2-423)},
      pid          = {G:(DE-HGF)POF2-423},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000335997600012},
      doi          = {10.1002/elan.201400076},
      url          = {https://juser.fz-juelich.de/record/155448},
}