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@ARTICLE{Zhang:858551,
      author       = {Zhang, Pengcheng and Lyu, Zhaozi and Viktorova, Jekaterina
                      and Offenhäusser, Andreas and Feng, Lingyan and Mayer,
                      Dirk},
      title        = {{N}anoparticle stripe sensor for highly sensitive and
                      selective detection of mercury ions},
      journal      = {Biosensors and bioelectronics},
      volume       = {117},
      issn         = {0956-5663},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2018-07421},
      pages        = {450 - 456},
      year         = {2018},
      abstract     = {Mercury and its compounds are emitted during industrial
                      processes and are extremely harmful for eco systems and
                      human health. Therefore, the detection of mercury ions
                      (Hg2+) in our living and working environment is of great
                      importance for the society and especially for the health of
                      human beings. Here we demonstrate a proof of concept
                      nanoparticle stripe sensor for highly sensitive and
                      selective detection of Hg2+. This sensor is based on the
                      changes of the charge transport between the neighboring
                      nanoparticles in the nanoparticle stripe. The addition of
                      Hg2+ induces a chelation between Hg2+ and carboxylic groups
                      on the surface modification molecules and thus facilitates
                      the charge transport, causing an increase of conductivity in
                      the nanoparticle stripe. These nanoparticle stripes with a
                      few layers in height and several micrometers in width
                      possess large surface area, which increases their exposure
                      to ions and improves the ability to detect Hg2+ at low
                      concentrations. Besides, we studied the effect of molecular
                      length on the sensitivity of the sensor. It is shown that
                      the length of surface modification molecules is positively
                      correlated with the sensitivity of the sensor. The
                      fabricated devices exhibit a detection limit as low as
                      0.1 nM and a specific response towards Hg2+ ions.},
      cin          = {ICS-8},
      ddc          = {610},
      cid          = {I:(DE-Juel1)ICS-8-20110106},
      pnm          = {523 - Controlling Configuration-Based Phenomena (POF3-523)},
      pid          = {G:(DE-HGF)POF3-523},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29982113},
      UT           = {WOS:000442191900055},
      doi          = {10.1016/j.bios.2018.06.029},
      url          = {https://juser.fz-juelich.de/record/858551},
}