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18 Result(s)

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  1. No Access

    Article

    Influence of Titanium Substrate Temperature on Phase Structure of a Plasma Hydroxyapatite Coating

    Plasma coatings of hydroxyapatite (HA) were formed on Ti substrates in modes to obtain high mechanical properties, structural stability, and phase composition. Preheating the titanium substrate to 550°C increa...

    T. R. Chueva, N. V. Gamurar, V. I. Kalita… in Inorganic Materials: Applied Research (2022)

  2. No Access

    Article

    Coatings of Low-Temperature Calcium Phosphates on Hydroxyapatite Ceramic

    This work is aimed at develo** homogeneous, uniformly distributed fine-crystalline coatings based on triclinic octacalcium phosphate pentahydrate (OCP, Ca8H2(PO4)6⋅5H2O) on the surface of ceramic substrates mad...

    A. Yu. Fedotov, A. A. Kotyakov, I. V. Smirnov… in Inorganic Materials: Applied Research (2021)

  3. No Access

    Article

    Biocompatible Biodegradable Composite Materials in the Biopolymer–Calcium Phosphate System for Replacing Osteochondral Defects

    This work is aimed at develo** new materials with adjustable composition, microstructure, and properties for replacing osteochondral defects. Features of the interaction of components in the biopolymers–calc...

    A. Yu. Teterina, V. E. Fetisova, A. Yu. Fedotov… in Inorganic Materials: Applied Research (2021)

  4. No Access

    Article

    Mechanical Properties of Titanium Nickelide–Tantalum–Chitosan Composite Material

    A biocompatible material characterized by gradient structure titanium nickelide–tantalum–biodegradable polymer layer was designed for the manufacture of medical implants. The mechanical characteristics of the ...

    E. O. Nasakina, M. A. Kaplan, M. A. Sudarchikova… in Inorganic Materials: Applied Research (2019)

  5. No Access

    Article

    The Microctructure Formation and the Composite Properties Based on Alginate with Antibacterial Activity

    The alginate gels microstructure formation regularities that were prepared in situ in a multicomponent system were determined, and their properties were studied. To produce experimental specimens, a combinatio...

    A. Yu. Fedotov, O. V. Baranov, I. S. Pereloma… in Inorganic Materials: Applied Research (2018)

  6. No Access

    Article

    Composite hydrogels based on alginate-reinforced calcium phosphate ceramics for tissue engineering

    Composite hydrogels in the system of sodium alginate–tricalcium phosphate (TCP) are studied. The gelation time, mechanical properties, and solubility of composite hydrogels are investigated in relation to the ...

    N. A. Pavlov, A. Yu. Teterina, S. M. Barinov… in Inorganic Materials: Applied Research (2017)

  7. No Access

    Article

    Investigation of physicochemical and biological properties of composite matrices in a alginate–calcium phosphate system intended for use in prototy** technologies during replacement of bone defects

    Materials for 3D printing of porous composite materials (CM) that are based on sodium alginate–tricalcium phosphate are developed. Physicochemical and biological studies of CM in vitro are performed using a mo...

    V. S. Komlev, N. S. Sergeeva, A. Yu. Fedotov… in Inorganic Materials: Applied Research (2016)

  8. No Access

    Article

    Bone cements in the calcium phosphate–chitosan systems containing magnesium and zinc

    Based on studying the possibility of the introduction of physiologically important cations into a cementing system, technology of fabrication of highly deformable calcium phosphate cements has been developed f...

    A. Yu. Teterina, A. A. Egorov, A. Yu. Fedotov, S. M. Barinov… in Doklady Chemistry (2016)

  9. No Access

    Article

    Strengthening of deformable bone cements in the calcium phosphates–chitosan system by tricalcium phosphate granules

    The possibility of strengthening chitosan-containing calcium phosphate bone cements sintered with tricalcium phosphate granules was studied. The strength was found to depend on the granules content in a nonmon...

    A. Yu. Teterina, A. A. Egorov, A. Yu. Fedotov… in Inorganic Materials: Applied Research (2016)

  10. No Access

    Article

    Kinetics of the release of antibiotics from chitosan-based biodegradable biopolymer membranes

    A process for manufacture of chitosan-based biodegradable biopolymer membranes suitable for medical applications was developed. A technology for inclusion of broad spectrum antibiotics into the chitosan membra...

    M. A. Sevost’yanov, A. Yu. Fedotov, E. O. Nasakina, A. Yu. Teterina… in Doklady Chemistry (2015)

  11. No Access

    Article

    3D printing of ceramic scaffolds for engineering of bone tissue

    The study presents results of development and investigation of processes of three-dimensional inkjet printing of scaffold structures based on microgranules of tricalcium phosphate and their further chemical mo...

    S. M. Barinov, I. V. Vakhrushev, V. S. Komlev… in Inorganic Materials: Applied Research (2015)

  12. No Access

    Article

    Microstructure formation in porous calcium phosphate-chitosan bone cements

    We have studied the microstructure formation in composite cement materials consisting of amorphous calcium phosphate and chitosan and reinforced with sodium alginate granules, their compressive strength, and t...

    A. Yu. Teterina, A. Yu. Fedotov, A. A. Egorov, S. M. Barinov… in Inorganic Materials (2015)

  13. No Access

    Article

    Modification of bone cements in the calcium phosphate-chitosan systems by ceramic and alginate beads

    A. Yu. Teterina, A. A. Egorov, A. Yu. Fedotov, S. M. Barinov… in Doklady Chemistry (2015)

  14. No Access

    Article

    Chitosan-based films with medicines

    Research on development of polymer films based on a chitosan polysaccharide filled with broad spectrum antibiotics (cefotaxime, lincomycin, gentamicin) for protection of the body from penetration of infections...

    A. Yu. Fedotov, M. A. Sevost’yanov… in Inorganic Materials: Applied Research (2014)

  15. No Access

    Article

    Deformable bone cements in system calcium phosphates-chitosan

    Composite bone cements are developed in which during the setting process a continuous chitosan framework is formed that gives to the set cement increased deformation before failure as compared to known analogs...

    A. Yu. Fedotov, V. S. Komlev, A. Yu. Teterina… in Inorganic Materials: Applied Research (2014)

  16. No Access

    Article

    Mechanical properties of nanostructured nitinol/chitosan composite material

    The mechanical properties and degradation behavior of a composite material based on nanostructured nitinol and a biodegradable polymer surface coating of chitosan of various molecular weights are studied. The ...

    M. A. Sevost’yanov, A. Yu. Fedotov, A. G. Kolmakov… in Inorganic Materials: Applied Research (2014)

  17. No Access

    Article

    Preparation of octacalcium phosphate from calcium carbonate powder

    We have studied a process for the preparation of apatite precursors through calcium carbonate conversion into dicalcium phosphate dihydrate, which is then hydrolyzed to octacalcium phosphate. The process enabl...

    A. Yu. Fedotov, V. S. Komlev, A. Yu. Teterina, V. P. Sirotinkin… in Inorganic Materials (2013)

  18. No Access

    Article

    Composite bone cement in the calcium phosphates-chitosan system

    A. Yu. Fedotov, S. M. Barinov, A. Yu. Teterina, I. V. Fadeeva… in Doklady Chemistry (2013)