Graphene Multielectrode Arrays as a Versatile Tool for Extracellular Measurements

Dmitry Kireev, Silke Seyock, Johannes Lewen, Vanessa Maybeck, Bernhard Wolfrum, Andreas Offenhäusser

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Graphene multielectrode arrays (GMEAs) presented in this work are used for cardio and neuronal extracellular recordings. The advantages of the graphene as a part of the multielectrode arrays are numerous: from a general flexibility and biocompatibility to the unique electronic properties of graphene. The devices used for extensive in vitro studies of a cardiac-like cell line and cortical neuronal networks show excellent ability to extracellularly detect action potentials with signal to noise ratios in the range of 45 ± 22 for HL-1 cells and 48 ± 26 for spontaneous bursting/spiking neuronal activity. Complex neuronal bursting activity patterns as well as a variety of characteristic shapes of HL-1 action potentials are recorded with the GMEAs. This paper illustrates that the potential applications of the GMEAs in biological and medical research are still numerous and diverse.

Original languageEnglish
Article number1601433
JournalAdvanced Healthcare Materials
Issue number12
StatePublished - 21 Jun 2017


  • GMEA
  • extracellular recordings
  • graphene
  • neuron


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