Structure · dataset · 2017
Nanostructured magnetic alginate composites for biomedical applications
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Description
Abstract
This is a study of the preparation and characterization of polymeric-magnetic nanoparticles. The nanoparticles used were magnetite (Fe3O4) and the chosen polymers were alginate and chitosan. Two types of samples were prepared: uncoated magnetic nanoparticles and magnetic nanoparticles encapsulated in polymeric matrix.
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The samples were analyzed by XRD, light scattering techniques, TEM, and magnetic SQUID. The XRD patterns identified magnetite (Fe3O4) as the only crystalline phase. TEM analyses showed particle sizes between 10 and 20nm for magnetite, and 15 and 30nm for the encapsulated magnetite.
The values of magnetization ranged from 75 to 100emu/g for magnetite nanoparticles, and 8 to 12emu/g for coated with chitosan, at different temperatures of 20K and 300K. The saturation of both samples was in the range of 49 to 50KOe. Variations of results between the two kinds of samples were attributed to the encapsulation of magnetic nanoparticles by the polymers.
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- Repository landing page scielo.figshare.com/articles/Nanostructured_magnetic_alginate_composites_for_biome… ↗
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- DOI doi.org/10.6084/m9.figshare.5719507.v1 ↗
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Documentation and papers
- Creative Commons Attribution 4.0 International creativecommons.org/licenses/by/4.0/legalcode ↗
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- IsSupplementTo 10.1590/0104-1428.2267 doi.org/10.1590/0104-1428.2267 ↗
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- DataCite API api.datacite.org/dois/10.6084/m9.figshare.5719507.v1 ↗
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- DataCite Commons commons.datacite.org/doi.org/10.6084/m9.figshare.5719507.v1 ↗
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Topics
- Stated by source
- Materials engineering
Related
Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| DataCite | 10.6084/m9.figshare.5719507.v1 | 12 d ago | JSON v1 |
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| concepts[field].fos:materials-engineering | source · DataCite | connector:datacite@1.0.0 | |
| created_date | source · DataCite | connector:datacite@1.0.0 | |
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| updated_date | source · DataCite | connector:datacite@1.0.0 |