A novel magnetic hydrogel with aligned magnetic colloidal assemblies showing controllable enhancement of magnetothermal effect in the presence of alternating magnetic field.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 25753892.
- Also identified by DOI 10.1002/adma.201405757.
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Abstract
A novel magnetic hydrogel is formed via the field-directed assembly of magnetic nanomaterials during the gelation process. The novel magnetic hydrogel exhibits direction-dependent thermogenesis in an alternating magnetic field. The specific absorption rate value in the direction along the assemblies can be 2.1-fold as much as that in the direction normal to the assemblies while the heating rate is 6-8-fold. Due to the anisotropic thermogenesis, the novel magnetic hydrogel also shows a direction-dependent release of drugs that has a 3.4-fold difference between the two directions.
Medical subject headings
- Drug Carriers
- Hydrogel, Polyethylene Glycol Dimethacrylate
- Magnetic Fields
- Magnets
- Temperature