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@ARTICLE{Svensson:639380,
      author       = {Svensson, Pamela H. W. and Rydgren, Brian and Schwob, Lucas
                      and Berholts, Marta and Stenerlöw, Bo and Hocine Hafiani,
                      Ouassim and André, Tomas and Grånäs, Oscar and Timneanu,
                      Nicusor and Leroux, Juliette and Nair, Aarathi and Pille,
                      Laura and Oostenrijk, Bart and Bari, Sadia and Björneholm,
                      Olle and Caleman, Carl},
      title        = {{U}nlocking atom-specific radiotherapy – {DNA} backbone
                      breakage caused by {X}-ray photoactivation},
      journal      = {Chemical science},
      volume       = {16},
      number       = {41},
      issn         = {2041-6520},
      address      = {Cambridge},
      publisher    = {RSC},
      reportid     = {PUBDB-2025-04474},
      pages        = {19235 - 19243},
      year         = {2025},
      abstract     = {The effectiveness of radiation therapy can be enhanced by
                      understanding the fragmentation mechanisms of iodine-doped
                      DNA oligonucleotide under tender X-rays, as explored
                      experimentally and computationally in our study. By
                      primarily targeting iodine atoms above their L-edge
                      ionization energies, we observed a significant increase in
                      the production of fragments critical to DNA backbone
                      breakage, particularly within mass ranges associated with
                      phosphate and sugar groups. The mass spectroscopy
                      experiments demonstrated that iodine-doped DNA
                      oligonucleotides undergo intense fragmentation at long
                      distances from the initial photoactivation site.
                      Born–Oppenheimer based molecular dynamics simulations
                      confirmed the generation of numerous small fragments,
                      including reactive oxygen species, which are pivotal in
                      enhancing the radiation damage. These findings highlight the
                      effectiveness of iodine doping in amplifying DNA damage in
                      radiotherapy via iodine photoactivation, thereby improving
                      the potential for targeted cancer treatment.},
      cin          = {FS-BIG / FS DOOR-User / CFEL-XAC},
      ddc          = {540},
      cid          = {I:(DE-H253)FS-BIG-20220318 /
                      $I:(DE-H253)FS_DOOR-User-20241023$ /
                      I:(DE-H253)CFEL-XAC-20240710},
      pnm          = {633 - Life Sciences – Building Blocks of Life: Structure
                      and Function (POF4-633) / 6G3 - PETRA III (DESY) (POF4-6G3)
                      / AIM, DFG project G:(GEPRIS)390715994 - EXC 2056: CUI:
                      Advanced Imaging of Matter (390715994) / PRISMAS - PhD
                      Research and Innovation in Synchrotron Methods and
                      Applications in Sweden (101081419) / FS-Proposal: I-20220428
                      (I-20220428)},
      pid          = {G:(DE-HGF)POF4-633 / G:(DE-HGF)POF4-6G3 /
                      G:(GEPRIS)390715994 / G:(EU-Grant)101081419 /
                      G:(DE-H253)I-20220428},
      experiment   = {EXP:(DE-H253)P-P01-20150101},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1039/D5SC03414K},
      url          = {https://bib-pubdb1.desy.de/record/639380},
}