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Mobility investigations of magnetic nanoparticles in biocomposites. Robert Müller, Mengbo Zhou, Tim Liebert, Joachim Landers, Soma Salamon, Samira Webers, Andrea Dellith, Dmitry Borin, Thomas Heinze, Heiko Wende.Journal of Magnetism and Magnetic Materials 2017, 431, 289-293. Meltable magnetic biocomposites for controlled release. Binary Fe-Pd submicron structures fabricated through glancing angle deposition (GLAD) for bioapplications. Clement, Yanhui Liu, Jan Schroers, Stefan G. Nanoparticles for Hyperthermia Applications. Journal of Physics: Condensed Matter 2018, 30 Tunable dynamic moduli of magnetic elastomers: from characterization by x-ray micro-computed tomography to mesoscopic modeling. Giorgio Pessot, Malte Schümann, Thomas Gundermann, Stefan Odenbach, Hartmut Löwen, Andreas M Menzel.Advanced Industrial and Engineering Polymer Research 2020, 3 Meltable fatty acid esters of α-1,3-glucan as potential thermoplastics. Katja Geitel, Andreas Koschella, Christian Lenges, Thomas Heinze.Physical Sciences Reviews 2020, Article ASAP. Studies about the design of magnetic bionanocomposite. Robert Müller, Janna Kuchinka, Thomas Heinze.Patterned dextran ester films as a tailorable cell culture platform. Armen Tchobanian, Frederik Ceyssens, Mar Cóndor Salgado, Hans Van Oosterwyck, Pedro Fardim.Physical Sciences Reviews 2021, Article ASAP. Microscopic understanding of particle-matrix interaction in magnetic hybrid materials by element-specific spectroscopy. Joachim Landers, Soma Salamon, Samira Webers, Heiko Wende.Determination of Percent Crystallinity of Side-Chain Crystallized Alkylated-Dextran Derivatives with Raman Spectroscopy and Multivariate Curve Resolution. Ashok Zachariah Samuel, Mengbo Zhou, Masahiro Ando, Robert Mueller, Tim Liebert, Thomas Heinze, and Hiro-o Hamaguchi.
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ACS Applied Materials & Interfaces 2019, 11 In-Field Orientation and Dynamics of Ferrofluids Studied by Mössbauer Spectroscopy.
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Samples of different geometries were exposed to high frequency alternating magnetic field. This process leads to a uniform distribution of MNPs in nanocomposite as revealed by scanning electron microscope. A method for the preparation of magnetically responsive bionanocomposites was developed consisting of combined dissolution/suspension of the dextran ester and hydrophobized MNPs in an organic solvent followed by homogenization with ultrasonication, casting of the solution, drying and melting of the composite for a defined shaping. Esterification of the polysaccharide by activation of the acid as iminium chlorides guaranteed mild reaction conditions leading to high quality products as confirmed by FTIR- and NMR spectroscopy as well as by gel permeation chromatography (GPC). For that purpose, fatty acid esters of dextran with adjustable melting points in the range of 30–140 ☌ were synthesized. It is shown that magnetite nanoparticles (MNP) can be embedded into a matrix of biocompatible thermoplastic dextran esters. A new approach toward the fabrication of biocompatible composites suitable for remote melting is presented.