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Carbon Dots/Iron Oxide Nanoparticles with Tuneable Composition and Properties

We present a simple strategy to generate a family of carbon dots/iron oxide nanoparticles (C/Fe-NPs) that relies on the thermal decomposition of iron (III) acetylacetonate in the presence of a highly fluorescent carbon-rich precursor (derived via thermal treatment of ethanolamine and citric acid at...

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Autores principales: Stachowska, Joanna D., Gamża, Monika B., Mellor, Claire, Gibbons, Ella N., Krysmann, Marta J., Kelarakis, Antonios, Gumieniczek-Chłopek, Elżbieta, Strączek, Tomasz, Kapusta, Czesław, Szwajca, Anna
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8875257/
https://www.ncbi.nlm.nih.gov/pubmed/35215002
http://dx.doi.org/10.3390/nano12040674
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author Stachowska, Joanna D.
Gamża, Monika B.
Mellor, Claire
Gibbons, Ella N.
Krysmann, Marta J.
Kelarakis, Antonios
Gumieniczek-Chłopek, Elżbieta
Strączek, Tomasz
Kapusta, Czesław
Szwajca, Anna
author_facet Stachowska, Joanna D.
Gamża, Monika B.
Mellor, Claire
Gibbons, Ella N.
Krysmann, Marta J.
Kelarakis, Antonios
Gumieniczek-Chłopek, Elżbieta
Strączek, Tomasz
Kapusta, Czesław
Szwajca, Anna
author_sort Stachowska, Joanna D.
collection PubMed
description We present a simple strategy to generate a family of carbon dots/iron oxide nanoparticles (C/Fe-NPs) that relies on the thermal decomposition of iron (III) acetylacetonate in the presence of a highly fluorescent carbon-rich precursor (derived via thermal treatment of ethanolamine and citric acid at 180 °C), while polyethylene glycol serves as the passivation agent. By varying the molar ratio of the reactants, a series of C/Fe-NPs have been synthesized with tuneable elemental composition in terms of C, H, O, N and Fe. The quantum yield is enhanced from 6 to 9% as the carbon content increases from 27 to 36 wt%, while the room temperature saturation magnetization is improved from 4.1 to 17.7 emu/g as the iron content is enriched from 17 to 31 wt%. In addition, the C/Fe-NPs show excellent antimicrobial properties, minimal cytotoxicity and demonstrate promising bioimaging capabilities, thus showing great potential for the development of advanced diagnostic tools.
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spelling pubmed-88752572022-02-26 Carbon Dots/Iron Oxide Nanoparticles with Tuneable Composition and Properties Stachowska, Joanna D. Gamża, Monika B. Mellor, Claire Gibbons, Ella N. Krysmann, Marta J. Kelarakis, Antonios Gumieniczek-Chłopek, Elżbieta Strączek, Tomasz Kapusta, Czesław Szwajca, Anna Nanomaterials (Basel) Article We present a simple strategy to generate a family of carbon dots/iron oxide nanoparticles (C/Fe-NPs) that relies on the thermal decomposition of iron (III) acetylacetonate in the presence of a highly fluorescent carbon-rich precursor (derived via thermal treatment of ethanolamine and citric acid at 180 °C), while polyethylene glycol serves as the passivation agent. By varying the molar ratio of the reactants, a series of C/Fe-NPs have been synthesized with tuneable elemental composition in terms of C, H, O, N and Fe. The quantum yield is enhanced from 6 to 9% as the carbon content increases from 27 to 36 wt%, while the room temperature saturation magnetization is improved from 4.1 to 17.7 emu/g as the iron content is enriched from 17 to 31 wt%. In addition, the C/Fe-NPs show excellent antimicrobial properties, minimal cytotoxicity and demonstrate promising bioimaging capabilities, thus showing great potential for the development of advanced diagnostic tools. MDPI 2022-02-17 /pmc/articles/PMC8875257/ /pubmed/35215002 http://dx.doi.org/10.3390/nano12040674 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Stachowska, Joanna D.
Gamża, Monika B.
Mellor, Claire
Gibbons, Ella N.
Krysmann, Marta J.
Kelarakis, Antonios
Gumieniczek-Chłopek, Elżbieta
Strączek, Tomasz
Kapusta, Czesław
Szwajca, Anna
Carbon Dots/Iron Oxide Nanoparticles with Tuneable Composition and Properties
title Carbon Dots/Iron Oxide Nanoparticles with Tuneable Composition and Properties
title_full Carbon Dots/Iron Oxide Nanoparticles with Tuneable Composition and Properties
title_fullStr Carbon Dots/Iron Oxide Nanoparticles with Tuneable Composition and Properties
title_full_unstemmed Carbon Dots/Iron Oxide Nanoparticles with Tuneable Composition and Properties
title_short Carbon Dots/Iron Oxide Nanoparticles with Tuneable Composition and Properties
title_sort carbon dots/iron oxide nanoparticles with tuneable composition and properties
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8875257/
https://www.ncbi.nlm.nih.gov/pubmed/35215002
http://dx.doi.org/10.3390/nano12040674
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