The Comparison of Magnetite Nanospheres Formation in Polysaccharide Covers by Various Ways of Syntheses
In this work the ways of magnetite nanoparticles formation in polymer covers were proposed. Polysaccharides solutions (alginate, chitosan) were used as biopolymers. Three ways of magnetite nanoparticles formation in polymer coats were proposed: 1) synthesis, where magnetite particles were coated wit...
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| Format: | Article |
| Language: | English |
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Sumy State University
2015-06-01
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| Series: | Журнал нано- та електронної фізики |
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| Online Access: | http://jnep.sumdu.edu.ua/download/numbers/2015/2/articles/jnep_2015_V7_02009.pdf |
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| author | A.S. Stanislavov A.A. Yanovska V.N. Kuznetsov L.B. Sukhodub L.F. Sukhodub |
| author_facet | A.S. Stanislavov A.A. Yanovska V.N. Kuznetsov L.B. Sukhodub L.F. Sukhodub |
| author_sort | A.S. Stanislavov |
| collection | DOAJ |
| description | In this work the ways of magnetite nanoparticles formation in polymer covers were proposed. Polysaccharides solutions (alginate, chitosan) were used as biopolymers. Three ways of magnetite nanoparticles formation in polymer coats were proposed: 1) synthesis, where magnetite particles were coated with polymer cover by using the gel-forming components applicable for appropriate polymers; 2) mixing of magnetite particles with solution of appropriate polymer (sodium alginate, chitosan); 3) spray-method, where the mixture of magnetic nanocomposite was sprayed by compressed air, while in two other ways an ultrasonic dispersion was used. The following techniques were used for the analysis: transmission electron microscopy, electron and X-ray diffractions. The study of the structural features show that spray method and synthesis have the advantages over simple mixing, because the obtained particle size 4-22 nm was less than 50-100 nm. It was shown that the use of alginate as polymer compound increases the crystallinity of magnetic nanocomposite, while the use of chitosan leads to magnetite lattice contraction and increase in its structure imperfection. |
| format | Article |
| id | doaj-art-c22a4d78e9cb4668b2e381cdb52f7de8 |
| institution | DOAJ |
| issn | 2077-6772 |
| language | English |
| publishDate | 2015-06-01 |
| publisher | Sumy State University |
| record_format | Article |
| series | Журнал нано- та електронної фізики |
| spelling | doaj-art-c22a4d78e9cb4668b2e381cdb52f7de82025-08-20T03:23:27ZengSumy State UniversityЖурнал нано- та електронної фізики2077-67722015-06-017202009-102009-6The Comparison of Magnetite Nanospheres Formation in Polysaccharide Covers by Various Ways of SynthesesA.S. Stanislavov0A.A. Yanovska1V.N. Kuznetsov2L.B. Sukhodub3L.F. Sukhodub4Sumy State University, 2, Rimsky Korsakov Str., 40007 Sumy, UkraineSumy State University, 2, Rimsky Korsakov Str., 40007 Sumy, UkraineSumy State University, 2, Rimsky Korsakov Str., 40007 Sumy, UkraineSumy State University, 2, Rimsky Korsakov Str., 40007 Sumy, UkraineSumy State University, 2, Rimsky Korsakov Str., 40007 Sumy, UkraineIn this work the ways of magnetite nanoparticles formation in polymer covers were proposed. Polysaccharides solutions (alginate, chitosan) were used as biopolymers. Three ways of magnetite nanoparticles formation in polymer coats were proposed: 1) synthesis, where magnetite particles were coated with polymer cover by using the gel-forming components applicable for appropriate polymers; 2) mixing of magnetite particles with solution of appropriate polymer (sodium alginate, chitosan); 3) spray-method, where the mixture of magnetic nanocomposite was sprayed by compressed air, while in two other ways an ultrasonic dispersion was used. The following techniques were used for the analysis: transmission electron microscopy, electron and X-ray diffractions. The study of the structural features show that spray method and synthesis have the advantages over simple mixing, because the obtained particle size 4-22 nm was less than 50-100 nm. It was shown that the use of alginate as polymer compound increases the crystallinity of magnetic nanocomposite, while the use of chitosan leads to magnetite lattice contraction and increase in its structure imperfection.http://jnep.sumdu.edu.ua/download/numbers/2015/2/articles/jnep_2015_V7_02009.pdfMagnetic nanoparticlesMagnetic nanocompositesAlginateChitosanX-Ray DiffractionTransmission electron microscopyElectron DiffractionParticle siz |
| spellingShingle | A.S. Stanislavov A.A. Yanovska V.N. Kuznetsov L.B. Sukhodub L.F. Sukhodub The Comparison of Magnetite Nanospheres Formation in Polysaccharide Covers by Various Ways of Syntheses Журнал нано- та електронної фізики Magnetic nanoparticles Magnetic nanocomposites Alginate Chitosan X-Ray Diffraction Transmission electron microscopy Electron Diffraction Particle siz |
| title | The Comparison of Magnetite Nanospheres Formation in Polysaccharide Covers by Various Ways of Syntheses |
| title_full | The Comparison of Magnetite Nanospheres Formation in Polysaccharide Covers by Various Ways of Syntheses |
| title_fullStr | The Comparison of Magnetite Nanospheres Formation in Polysaccharide Covers by Various Ways of Syntheses |
| title_full_unstemmed | The Comparison of Magnetite Nanospheres Formation in Polysaccharide Covers by Various Ways of Syntheses |
| title_short | The Comparison of Magnetite Nanospheres Formation in Polysaccharide Covers by Various Ways of Syntheses |
| title_sort | comparison of magnetite nanospheres formation in polysaccharide covers by various ways of syntheses |
| topic | Magnetic nanoparticles Magnetic nanocomposites Alginate Chitosan X-Ray Diffraction Transmission electron microscopy Electron Diffraction Particle siz |
| url | http://jnep.sumdu.edu.ua/download/numbers/2015/2/articles/jnep_2015_V7_02009.pdf |
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