Електронна бібліотека Житомирського державного університету: Ніяких умов. Результати впорядковані-Дата внесення. 2024-03-29T08:05:53ZEPrintshttp://eprints.zu.edu.ua/images/logo2.gifhttp://eprints.zu.edu.ua/2023-10-31T12:31:07Z2023-10-31T12:31:07Zhttp://eprints.zu.edu.ua/id/eprint/38210Цей елемент знаходиться в архіві з URL: http://eprints.zu.edu.ua/id/eprint/382102023-10-31T12:31:07ZMagnetosensitive Nanocomposite Fe3O4/Al2O3/С Synthesis and PropertiesA. P. KusyakN. V. KusyaкO. I. OranskaT. V. KulykL. S. DzubenkoB. B. PalianytsiaO. A. DudarkoN. M. KorniichukA. L. PetranovskaP. P. Gorbyk2023-10-23T07:35:09Z2023-10-23T07:45:25Zhttp://eprints.zu.edu.ua/id/eprint/38152Цей елемент знаходиться в архіві з URL: http://eprints.zu.edu.ua/id/eprint/381522023-10-23T07:35:09ZInteractions of blood proteins with Fe3O4-based core-shell biocompatible compositesN. V. Kusyaк2023-03-26T08:43:04Z2023-03-26T08:43:04Zhttp://eprints.zu.edu.ua/id/eprint/36402Цей елемент знаходиться в архіві з URL: http://eprints.zu.edu.ua/id/eprint/364022023-03-26T08:43:04ZAdsorption of doxorubicin on the surface of magnetically sensitive nanocomposite Fe3O4/Al2O3/СFe3O4/Al2O3/С nanocomposite was synthesized and characterized by a complex of physicochemical methods. The completeness of carbonization was confirmed by the method of TPD MS, and the results of TEM, EDX and changes in the values of the specific saturation magnetization proved the formation of the structure of Fe3O4/Al2O3/С by the type of core-shell. According to the results of potentiometric studies, the characteristics of acid -basic centers were quantitatively and qualitatively assessed. The adsorption of Doxorubicin (DOX) on the surface of Fe3O4/Al2O3/С was performed and the adsorption process depending on the contact time, pH of the solution and DOX concentration was studied. The experimental results of kinetic studies were analyzed for compliance with of Boyd, Morris-Weber and Elovich the theoretical models, models of pseudo-first and pseudo-second orders. Langmuir and Freundlich isotherm models were used to model adsorption processes. Under the conditions of the experiment (pH = 5) active basic centers (С = 8.46⋅10−5 mol⋅g−1, Кі = 1.296⋅10−5 (рК = 4.887)). Adsorption processes occur by a mixed diffusion mechanism, limiting processes are intraparticle diffusion and chemisorption processes of molecular and ionic forms of DOX. The highest correlation coefficient was r2 = 0.971, the correlation of theoretical and practical values of the adsorption capacity (A mg g−1) indicates the possibility of using the Freundlich model to describe the adsorption of DOX on the surface of Fe3O4/Al2O3/C. Desorption processes practically do not occur at pH 7.4 (change of value A from 30.56 to 30.12 mg g−1, which is − 1.83%), at pH 5 percent of desorbed DOX is higher − 2.88% (change in value A from 30.21 to 29.51 mg g−1).N. V. KusyaкA. P. KusyakP. P. Gorbyk2020-01-28T15:48:48Z2020-01-28T15:55:52Zhttp://eprints.zu.edu.ua/id/eprint/30617Цей елемент знаходиться в архіві з URL: http://eprints.zu.edu.ua/id/eprint/306172020-01-28T15:48:48ZAdsorption of Y3+ ions with nanocomposites based on single domain Fe3O4 modified with TiO2A. P. KusyakN. V. KusyaкK. SviridukP. P. Gorbyk2020-01-28T11:38:17Z2020-01-28T11:38:17Zhttp://eprints.zu.edu.ua/id/eprint/30604Цей елемент знаходиться в архіві з URL: http://eprints.zu.edu.ua/id/eprint/306042020-01-28T11:38:17ZSynthesis and properties of magnetically sensitive nanocomposites based on magnetite and gemcitabineA. L. PetranovskaN. V. AbramovN. M. OpanashchukS. P. TuranskaN. V. KusyaкP. P. Gorbyk