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@ARTICLE{Grigoriev:885389,
      author       = {Grigoriev, S. V. and Iashina, E. G. and Bairamukov, V. Yu.
                      and Pipich, Vitaliy and Radulescu, Aurel and Filatov, M. V.
                      and Pantina, R. A. and Varfolomeeva, E. Yu.},
      title        = {{S}witch of fractal properties of {DNA} in chicken
                      erythrocytes nuclei by mechanical stress},
      journal      = {Physical review / E},
      volume       = {102},
      number       = {3},
      issn         = {2470-0045},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2020-03786},
      pages        = {032415},
      year         = {2020},
      abstract     = {The small-angle neutron scattering (SANS) on the chicken
                      erythrocyte nuclei demonstrates the bifractal nature of the
                      chromatin structural organization. Use of the contrast
                      variation (D2O−H2O) in SANS measurements reveals the
                      differences in the DNA and protein arrangements inside the
                      chromatin substance. It is the DNA that serves as a
                      framework that constitutes the bifractal behavior showing
                      the mass fractal properties with D=2.22 at a smaller scale
                      and the logarithmic fractal behavior with D≈3 at a larger
                      scale. The protein spatial organization shows the mass
                      fractal properties with D≈2.34 throughout the whole
                      nucleus. The borderline between two fractal levels can be
                      significantly shifted toward smaller scales by
                      centrifugation of the nuclei disposed on the dry substrate,
                      since nuclei suffer from mechanical stress transforming them
                      to a disklike shape. The height of this disk measured by
                      atomic force microscopy (AFM) coincides closely with the
                      fractal borderline, thus characterizing two types of the
                      chromatin with the soft (at larger scale) and rigid (at
                      smaller scale) properties. The combined SANS and AFM
                      measurements demonstrate the stress induced switch of the
                      DNA fractal properties from the rigid, but loosely packed,
                      mass fractal to the soft, but densely packed, logarithmic
                      fractal.},
      cin          = {JCNS-FRM-II / JCNS-1 / MLZ},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106 / I:(DE-588b)4597118-3},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15)},
      pid          = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15},
      experiment   = {EXP:(DE-MLZ)KWS2-20140101 / EXP:(DE-MLZ)KWS3-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:33075965},
      UT           = {WOS:000579013900009},
      doi          = {10.1103/PhysRevE.102.032415},
      url          = {https://juser.fz-juelich.de/record/885389},
}