Oxidative Precipitation Synthesis of Calcium-Doped Manganese Ferrite Nanoparticles for Magnetic Hyperthermia
Superparamagnetic nanoparticles are of high interest for therapeutic applications. In this work, nanoparticles of calcium-doped manganese ferrites (CaxMn1-xFe2O4) functionalized with citrate were synthesized through thermally assisted oxidative precipitation in aqueous media. The method provided well dispersed aqueous suspensions of nanoparticles through a one-pot synthesis, in which the temperature and Ca/Mn ratio were found to influence the particles microstructure and morphology. Consequently, changes were obtained in the optical and magnetic properties that were studied through UV-Vis absorption and SQUID, respectively. XRD and Raman spectroscopy studies were carried out to assess the microstructural changes associated with stoichiometry of the particles, and the stability in physiological pH was studied through DLS. The nanoparticles displayed high values of magnetization and heating efficiency for several alternating magnetic field conditions, compatible with biological applications. Hereby, the employed method provides a promising strategy for the development of particles with adequate properties for magnetic hyperthermia applications, such as drug delivery and cancer therapy.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:23 |
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| Enthalten in: |
International journal of molecular sciences - 23(2022), 22 vom: 16. Nov. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Veloso, Sérgio R S [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 29.11.2022 Date Revised 13.12.2022 published: Electronic Citation Status MEDLINE |
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| doi: |
10.3390/ijms232214145 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Veloso, Sérgio R S |e verfasserin |4 aut | |
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| 520 | |a Superparamagnetic nanoparticles are of high interest for therapeutic applications. In this work, nanoparticles of calcium-doped manganese ferrites (CaxMn1-xFe2O4) functionalized with citrate were synthesized through thermally assisted oxidative precipitation in aqueous media. The method provided well dispersed aqueous suspensions of nanoparticles through a one-pot synthesis, in which the temperature and Ca/Mn ratio were found to influence the particles microstructure and morphology. Consequently, changes were obtained in the optical and magnetic properties that were studied through UV-Vis absorption and SQUID, respectively. XRD and Raman spectroscopy studies were carried out to assess the microstructural changes associated with stoichiometry of the particles, and the stability in physiological pH was studied through DLS. The nanoparticles displayed high values of magnetization and heating efficiency for several alternating magnetic field conditions, compatible with biological applications. Hereby, the employed method provides a promising strategy for the development of particles with adequate properties for magnetic hyperthermia applications, such as drug delivery and cancer therapy | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a calcium ferrites | |
| 650 | 4 | |a citrate-stabilization | |
| 650 | 4 | |a magnetic hyperthermia | |
| 650 | 4 | |a magnetic nanoparticles | |
| 650 | 4 | |a manganese ferrites | |
| 650 | 4 | |a superparamagnetism | |
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| 700 | 1 | |a Andrade, Raquel G D |e verfasserin |4 aut | |
| 700 | 1 | |a Gomes, Valéria |e verfasserin |4 aut | |
| 700 | 1 | |a Amorim, Carlos O |e verfasserin |4 aut | |
| 700 | 1 | |a Amaral, Vítor S |e verfasserin |4 aut | |
| 700 | 1 | |a Salgueiriño, Verónica |e verfasserin |4 aut | |
| 700 | 1 | |a Coutinho, Paulo J G |e verfasserin |4 aut | |
| 700 | 1 | |a Ferreira, Paula M T |e verfasserin |4 aut | |
| 700 | 1 | |a Correa-Duarte, Miguel A |e verfasserin |4 aut | |
| 700 | 1 | |a Castanheira, Elisabete M S |e verfasserin |4 aut | |
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