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@ARTICLE{Dammers:154014,
      author       = {Dammers, Jürgen and Chocholacs, Harald and Eich, Eberhard
                      and Boers, Frank and Faley, Michael and Dunin-Borkowski,
                      Rafal and Shah, N. J.},
      title        = {{S}ource localization of brain activity using helium free
                      interferometer},
      journal      = {Applied physics letters},
      volume       = {104},
      issn         = {1077-3118},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {FZJ-2014-03439},
      pages        = {213705},
      year         = {2014},
      abstract     = {To detect extremely small magnetic fields generated by the
                      human brain, currently all commercial magnetoencephalography
                      (MEG) systems are equipped with low-temperature (low-Tc)
                      superconducting quantum interference device (SQUID) sensors
                      that use liquid helium for cooling. The limited and
                      increasingly expensive supply of helium, which has seen
                      dramatic price increases recently, has become a real problem
                      for such systems and the situation shows no signs of
                      abating. MEG research in the long run is now endangered. In
                      this study, we report a MEG source localization utilizing a
                      single, highly sensitive SQUID cooled with liquid nitrogen
                      only. Our findings confirm that localization of
                      neuromagnetic activity is indeed possible using high-Tc
                      SQUIDs. We believe that our findings secure the future of
                      this exquisitely sensitive technique and have major
                      implications for brain research and the developments of
                      cost-effective multi-channel, high-Tc SQUID-based MEG
                      systems.},
      cin          = {PGI-5 / INM-4 / JARA-BRAIN},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-5-20110106 / I:(DE-Juel1)INM-4-20090406 /
                      $I:(DE-82)080010_20140620$},
      pnm          = {423 - Sensorics and bioinspired systems (POF2-423)},
      pid          = {G:(DE-HGF)POF2-423},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000337143000063},
      doi          = {10.1063/1.4880097},
      url          = {https://juser.fz-juelich.de/record/154014},
}