Interaction of magnetic nanoparticles with lysozyme amyloid fibrils

This work is devoted to the structural study of complex solutions of magnetic nanoparticles with lysozyme amyloid fibrils due to possible ordering of such system by applying the external magnetic field. The interaction of magnetic nanoparticles with amyloid fibrils has been followed by atomic force...

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Published inJournal of magnetism and magnetic materials Vol. 431; pp. 8 - 11
Main Authors Gdovinová, Veronika, Tomašovičová, Natália, Batko, Ivan, Batková, Marianna, Balejčíková, Lucia, Garamus, Vasyl M., Petrenko, Viktor I., Avdeev, Mikhail V., Kopčanský, Peter
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 01.06.2017
Elsevier BV
Subjects
AFM
Atomic force microscopy
Lysozyme
Lysozyme fibrils
Magnetic fields
Magnetic nanoparticles
Microscopy
Nanoparticles
SAXS
Scattering
Small angle X ray scattering
Studies
AFM
Lysozyme fibrils
Magnetic nanoparticles
SAXS
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Summary:This work is devoted to the structural study of complex solutions of magnetic nanoparticles with lysozyme amyloid fibrils due to possible ordering of such system by applying the external magnetic field. The interaction of magnetic nanoparticles with amyloid fibrils has been followed by atomic force microscopy and small-angle X-ray scattering. It has been observed that magnetic nanoparticles (MNPs) adsorb to lysozyme amyloid fibrils. It was found that MNPs alter amyloids structures, namely the diameter of lysozyme amyloid fibrils is increased whereas the length of fibrils is decreased. In the same time MNPs do not change the helical pitch significantly. •Solution of MNPs with lysozyme amyloid fibrils was characterized by AFM and SAXS.•MNPs adsorb to lysozyme amyloid fibrils.•Diameter and size of lysozyme amyloid fibrils change due to doping with MNPs.
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2016.09.035