Russian Journal of Physical Chemistry B

, Volume 12, Issue 1, pp 158–164 | Cite as

Hybrid Biodegradable Nanocomposites Based on a Biopolyester Matrix and Magnetic Iron Oxide Nanoparticles: Structural, Magnetic, and Electronic Characteristics

  • V. E. Prusakov
  • Yu. V. Maksimov
  • K. N. Nishchev
  • A. V. Golub’ev
  • V. I. Beglov
  • Yu. F. Krupyanskii
  • A. V. Bychkova
  • A. L. Iordanskii
  • A. A. Berlin
Chemical Physics of Nanomaterials


The structural, electronic, and magnetic properties of iron oxide nanoparticles encapsulated in hybrid biodegradable therapeutic systems based on poly-3-hydroxybutyrate and chitosan are comprehensively studied using Mössbauer spectroscopy, X-ray diffraction, small-angle X-ray scattering, and macroscopic magnetization measurements. It is shown that iron oxide in concentrations of 4 and 8 wt % in the polymer matrix of magnetically isotropic and magnetoanisotropic systems exists in the form of nanosized (d ≈ 7–8 nm) superparamagnetic clusters. Iron oxide clusters have the structure of a nonstoichiometric inverse spinel, intermediate between polymorphous modifications of Fe3O4 and γ-Fe2O3.


hybrid magnetic composites biodegradable polymers iron oxides magnetic nanoparticles magnetic properties X-ray diffraction Mössbauer spectroscopy small-angle X-ray scattering 


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • V. E. Prusakov
    • 1
  • Yu. V. Maksimov
    • 1
  • K. N. Nishchev
    • 2
  • A. V. Golub’ev
    • 2
  • V. I. Beglov
    • 2
  • Yu. F. Krupyanskii
    • 1
  • A. V. Bychkova
    • 1
    • 3
  • A. L. Iordanskii
    • 1
  • A. A. Berlin
    • 1
  1. 1.Semenov Institute of Chemical PhysicsRussian Academy of SciencesMoscowRussia
  2. 2.Ogarev Mordova State UniversitySaranskRussia
  3. 3.Emanuel Institute of Biochemical PhysicsRussian Academy of SciencesMoscowRussia

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