Mineral-polymer composites based on hydroxyapatite with polyvynylpyrrolidon for medicine

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Abstract

Composites of hydroxyapatite (HA) with polyvinylpyrrolidone (PVP) were synthesized by precipitation in water solutions, mass relations of HA/PVP varied in region 3,6-14,5. The composite materials were investigated using XRD, IR, electron paramagnetic resonance (EPR) spectroscopy and transmission electron microscopy (TEM). Based on the TEM results it was found that during calcination of composites at 400 °C small agglomerates consisting of individual crystalline HA particles were formed, resulting in a particle size (according to TEM) slightly larger than coherent scattering region. Using the method of photoinduced EPR spectroscopy confirmed the presence of interaction between HA and PVP. The resulting composites can be used as materials for reconstructive surgery.

About the authors

I. V. Fadeeva

Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

Author for correspondence.
Email: fadeeva_inna@mail.ru
Russian Federation, 49, Leninskii Prospect, Moscow, 119334

F. I. Grabovenko

Lomonosov Moscow State University

Email: fadeeva_inna@mail.ru
Russian Federation, 1, Leninskie gory, Moscow, 119991

A. S. Fomin

Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

Email: fadeeva_inna@mail.ru
Russian Federation, 49, Leninskii Prospect, Moscow, 119334

S. M. Barinov

Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

Email: fadeeva_inna@mail.ru

Corresponding Member of the Russian Academy of Sciences

Russian Federation, 49, Leninskii Prospect, Moscow, 119334

F. F. Murzakhanov

Kazan Federal University

Email: fadeeva_inna@mail.ru
Russian Federation, 18, Kremliovskaya street, Kazan, 420008

A. I. Ahmed

Kazan Federal University

Email: fadeeva_inna@mail.ru
Russian Federation, 18, Kremliovskaya street, Kazan, 420008

G. V. Mamin

Kazan Federal University

Email: fadeeva_inna@mail.ru
Russian Federation, 18, Kremliovskaya street, Kazan, 420008

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