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@ARTICLE{Adly:837530,
      author       = {Adly, Nouran and Feng, Lingyan and Krause, Kay and Mayer,
                      Dirk and Yakushenko, Alexey and Offenhäusser, Andreas and
                      Wolfrum, Bernhard},
      title        = {{F}lexible {M}icrogap {E}lectrodes by {D}irect {I}nkjet
                      {P}rinting for {B}iosensing {A}pplication},
      journal      = {Advanced biosystems},
      volume       = {1},
      number       = {3},
      issn         = {2366-7478},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2017-06418},
      pages        = {1600016 -},
      year         = {2017},
      abstract     = {A rapid fabrication method of microgap electrodes using
                      inkjet printing is described. In this approach, the lateral
                      spacing between two printed electrode lines is precisely
                      controlled down to 1 µm without any surface modification or
                      substrate patterning. The strong confinement, well below
                      typical resolution of inkjet printing, relies on complete
                      solvent evaporation between the printing of adjacent
                      electrode structures, which is achieved by controlling the
                      printing speed and temperature profiles. The feasibility of
                      this method is demonstrated by writing electrode structures
                      with two distinct inks, based on carbon and silver
                      nanoparticles, with comparable results. As an application
                      proof-of-principle, arrays of microgap electrodes are
                      fabricated using a carbon nanoparticle ink for
                      electrochemical detection based on redox-cycling, a
                      technique in which the sensitivity of the device depends on
                      the distance between the two electrodes. The redox-cycling
                      amplification of electrochemical signals is demonstrated and
                      it is shown that the printed microgap device can be used as
                      an electrochemical biosensor for the determination of human
                      immunodeficiency virus (HIV)-related single-stranded DNA.
                      This work presents a promising new approach for fabricating
                      low-cost and label-free redox-cycling biosensors using
                      all-inkjet-printed electrodes.},
      cin          = {ICS-8 / PGI-8},
      ddc          = {570},
      cid          = {I:(DE-Juel1)ICS-8-20110106 / I:(DE-Juel1)PGI-8-20110106},
      pnm          = {523 - Controlling Configuration-Based Phenomena (POF3-523)},
      pid          = {G:(DE-HGF)POF3-523},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000446956600003},
      doi          = {10.1002/adbi.201600016},
      url          = {https://juser.fz-juelich.de/record/837530},
}