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@ARTICLE{Nikolaev:844898,
      author       = {Nikolaev, Konstantin G. and Maybeck, Vanessa and Neumann,
                      Elmar and Ermakov, Sergei S. and Ermolenko, Yuri E. and
                      Offenhäusser, Andreas and Mourzina, Yulia},
      title        = {{B}imetallic nanowire sensors for extracellular
                      electrochemical hydrogen peroxide detection in {HL}-1 cell
                      culture},
      journal      = {Journal of solid state electrochemistry},
      volume       = {22},
      number       = {4},
      issn         = {1432-8488},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {FZJ-2018-02240},
      pages        = {1023 - 1035},
      year         = {2018},
      abstract     = {The present study of nanoelectrochemical sensors prepared
                      by directed electrochemical nanowire assembly (DENA) is
                      defined by the requirements of electrochemical analysis,
                      where the transducer function of metallic nanowires is
                      synergetically combined with their electrochemical catalytic
                      activity with respect to a particular analyte. We show for
                      the first time that this technique can be employed for
                      metals (Pd, Au) and their bimetallic compositions to create
                      various multicomponent sensor nanomaterials on a single chip
                      without the use of multistep lithography for the spatially
                      resolved analysis of solutions. The nanostructures of
                      various compositions can be individually addressed when used
                      in liquid media, so that the particular surface properties
                      of the individual nanoarray elements can be used for the
                      electrochemical analysis of specific analytes. The sensor
                      application of these devices in electrolytes and cell
                      culture conditions has been demonstrated for the first time.
                      As an example, the Pd-Au nanowires prepared by DENA were
                      used for a non-enzymatic analysis of H2O2 with a linear
                      concentration interval of 10−6–10−3 M, sensitivity
                      of 18 μA M−1, and detection limit of 3 × 10−7 M
                      at as low absolute value of the detection potential as
                      − 0.05 V. This sensor was also proven for the detection
                      of hydrogen peroxide in HL-1 cell culture, demonstrating
                      good biocompatibility and support for the cell culture
                      conditions. Using various DENA-grown electrochemical
                      compositions on a single chip, a novel multisensor platform
                      is proposed for the determination of various analytes in
                      electrolyte solutions for biocompatible sensor arrays,
                      flexible multianalyte environmental and technological
                      process monitoring, and healthcare areas.},
      cin          = {ICS-8},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ICS-8-20110106},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)
                      / 523 - Controlling Configuration-Based Phenomena (POF3-523)
                      / 552 - Engineering Cell Function (POF3-552)},
      pid          = {G:(DE-HGF)POF3-143 / G:(DE-HGF)POF3-523 /
                      G:(DE-HGF)POF3-552},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000427805100007},
      doi          = {10.1007/s10008-017-3829-3},
      url          = {https://juser.fz-juelich.de/record/844898},
}