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@ARTICLE{Rostek:858612,
      author       = {Rostek, M. and Breisch, K. and Loza, Kateryna and Garcia,
                      P. R. A. F. and Oiliveira, C. L. P. and Prymak, O. and
                      Heggen, Marc and Köller, Maximilian and Sengstock, C. and
                      Epple, M.},
      title        = {{W}et-chemical synthesis of {P}d-{A}u core-shell
                      nanopaticles (8nm): {F}rom nanostructure to biological
                      properties},
      journal      = {ChemistrySelect},
      volume       = {3},
      number       = {17},
      issn         = {2365-6549},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2018-07472},
      pages        = {4994 - 5001},
      year         = {2018},
      abstract     = {Pd−Au core‐shell nanoparticles with a palladium core
                      (diameter about 5.5 nm) and a gold shell (thickness about
                      1.7 nm) were wet‐chemically synthesized in an easy
                      water‐based one‐pot synthesis by sequential reduction of
                      Pd2+ and Au3+ with glucose in the presence of
                      poly(N‐vinylpyrrolidone) (PVP). The metals are present in
                      about equal amounts (molar ratio Pd:Au about 2:1) with a
                      clear separation between core and shell. The reaction was
                      monitored in‐situ by small‐angle X‐ray scattering
                      (SAXS), showing the initial growth of the palladium seeds,
                      followed by the epitactic formation of the gold shell. The
                      core‐shell character of the particles was confirmed by
                      high‐resolution scanning transmission electron microscopy
                      (STEM) and energy‐dispersive X‐ray spectroscopy (EDX).
                      However, X‐ray powder diffraction with Rietveld analysis
                      indicated a partial alloying, i. e. a gradual border
                      between the two metals. Cell culture experiments showed no
                      adverse effects on human mesenchymal stem cells (hMSCs) with
                      a Pd−Au nanoparticle concentration (computed as total
                      metal) up to 50 μg mL−1 after 24 h incubation, i. e.
                      the particles can be considered as biologically harmless,
                      even after unintended human exposure.},
      cin          = {PGI-5},
      ddc          = {540},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000431625900060},
      doi          = {10.1002/slct.201800638},
      url          = {https://juser.fz-juelich.de/record/858612},
}