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@ARTICLE{Shams:885810,
      author       = {Shams, S. Fatemeh and Ghazanfari, Mohammad Reza and
                      Pettinger, Susanne and Tavabi, Amir H. and Siemensmeyer,
                      Konrad and Smekhova, Alevtina and Dunin-Borkowski, Rafal E.
                      and Westmeyer, Gil G. and Schmitz-Antoniak, Carolin},
      title        = {{S}tructural perspective on revealing heat dissipation
                      behavior of {C}o{F}e 2 {O} 4 –{P}d nanohybrids: great
                      promise for magnetic fluid hyperthermia},
      journal      = {Physical chemistry, chemical physics},
      volume       = {22},
      number       = {46},
      issn         = {1463-9084},
      address      = {Cambridge},
      publisher    = {RSC Publ.},
      reportid     = {FZJ-2020-04101},
      pages        = {26728-26741},
      year         = {2020},
      abstract     = {Loss mechanisms in fluid heating of cobalt ferrite (CFO)
                      nanoparticles and CFO–Pd heterodimer colloidal suspensions
                      are investigated as a function of particle size, fluid
                      concentration and magnetic field amplitude. The specific
                      absorption rate (SAR) is found to vary with increasing
                      particle size due to a change in dominant heating mechanism
                      from susceptibility to hysteresis and frictional loss. The
                      maximum SAR is obtained for particle diameters of 11–15 nm
                      as a result of synergistic contributions of susceptibility
                      loss, including Néel and Brownian relaxation and especially
                      hysteresis loss, thereby validating the applicability of
                      linear response theory to superparamagnetic CFO
                      nanoparticles. Our results show that the ferrofluid
                      concentration and magnetic field amplitude alter
                      interparticle interactions and associated heating
                      efficiency. The SAR of the CFO nanoparticles could be
                      maximized by adjusting the synthesis parameters. Despite the
                      paramagnetic properties of individual palladium
                      nanoparticles, CFO–Pd heterodimer suspensions were
                      observed to have surprisingly improved magnetization as well
                      as SAR values, when compared with CFO ferrofluids. This
                      difference is attributed to interfacial interactions between
                      the magnetic moments of paramagnetic Pd and
                      superparamagnetic/ferrimagnetic CFO. SAR values measured
                      from CFO–Pd heterodimer suspensions were found to be
                      47–52 W gFerrite−1, which is up to a factor of two
                      higher than the SAR values of commercially available
                      ferrofluids, demonstrating their potential as efficient heat
                      mediators. Our results provide insight into the utilization
                      of CFO–Pd heterodimer suspensions as potential
                      nanoplatforms for diagnostic and therapeutic biomedical
                      applications, e.g., in cancer hyperthermia, cryopreserved
                      tissue warming, thermoablative therapy, drug delivery and
                      bioimaging.},
      cin          = {ER-C-1 / PGI-6},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ER-C-1-20170209 / I:(DE-Juel1)PGI-6-20110106},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)
                      / ESTEEM3 - Enabling Science and Technology through European
                      Electron Microscopy (823717)},
      pid          = {G:(DE-HGF)POF3-143 / G:(EU-Grant)823717},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33078790},
      UT           = {WOS:000597256600078},
      doi          = {10.1039/D0CP02076A},
      url          = {https://juser.fz-juelich.de/record/885810},
}