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@ARTICLE{Knigs:843844,
      author       = {Königs, Uwe and Humpert, Swen and Spahn, Ingo and Qaim,
                      Syed M. and Neumaier, Bernd},
      title        = {{I}solation of high purity 73{S}e using solid phase
                      extraction after selective 4,5-[73{S}e]benzopiazselenol
                      formation with aminonaphthalene},
      journal      = {Radiochimica acta},
      volume       = {106},
      number       = {6},
      issn         = {0033-8230},
      address      = {Berlin},
      publisher    = {De Gruyter},
      reportid     = {FZJ-2018-01383},
      pages        = {497–505},
      year         = {2018},
      abstract     = {A fast and efficient process for the productionof the PET
                      radionuclide 73Se was developed using 75Se as asurrogate.
                      75Se was separated from proton irradiated arsenictrioxide by
                      reaction with 2,3-diaminonaphthalene
                      to4,5-[75Se]benzopiazelenol. This compound was purifiedusing
                      SPE column chromatography and subsequentlydecomposed with
                      hydrogen peroxide. For further chemicalconversions
                      [75Se]selenite was reduced to elemental[75Se]selenium by
                      either using thiosulfate or sulfur dioxide.The recovery
                      yield of 75Se from the target amountedto 43 $\%.$ The
                      utility of the isolated 75Se for radiosyntheseswas
                      demonstrated by the successful preparation of
                      [75Se]selenomethionine.The methodology developed using
                      75Sewas successfully transformed to 73Se.},
      cin          = {INM-5},
      ddc          = {540},
      cid          = {I:(DE-Juel1)INM-5-20090406},
      pnm          = {573 - Neuroimaging (POF3-573)},
      pid          = {G:(DE-HGF)POF3-573},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000433962300005},
      doi          = {10.1515/ract-2017-2864},
      url          = {https://juser.fz-juelich.de/record/843844},
}