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http://hdl.handle.net/2445/178915
Title: | Incorporation of Manganese Complexes within HybridResol-Silica and Carbon-Silica Nanoparticles |
Author: | Turquet, François-Xavier Corbella i Cordomí, Montserrat Fellah, Clémentine Montagnac, Gilles Reynard, Bruno Bonneviot¸ Laurent Zhang, Kun Albela Castrillo, Mª Belén |
Keywords: | Nanociència Nanopartícules Sílice Manganès Nanoscience Nanoparticles Silica Manganese |
Issue Date: | 18-Mar-2021 |
Publisher: | MDPI |
Abstract: | The incorporation of a luminescent probe into a nano-vector is one of the approaches used to design chemosensors and nanocargos for drug delivery and theranostics. The location of the nanovector can be followed using fluorescence spectroscopy together with the change of environment that affects the fluorescence properties. The ligand 9-anthracene carboxylate is proposed in this study as a luminescent probe to locate two types of manganese complexes inside three series of porous nanoparticles of different composition: resol-silica, carbon-silica and pure silica. The manganese complexes are a tetranuclear MnIII cluster [MnIII 4 (µ-O)2 (µ-AntCO2 )6 (bpy)2 (ClO4 )2 ] with a butterfly core, and a MnII dinuclear complex [{MnII(bpy)(AntCO2 )}2 (µ-AntCO2 )2 (µ-OH2 )]. The magnetic measurements indicate that both complexes are present as dinuclear entities when incorporated inside the particles. Both the Mn complexes and the nanoparticles are luminescent. However, when the metal complexes are introduced into the nanoparticles, the luminescent properties of both are altered. The study of the fluorescence of the nanoparticles' suspensions and of the supernatants shows that MnII compounds seem to be more retained inside the particles than MnIII compounds. The resol-silica nanoparticles with MnII complexes inside is the material that presents the lowest complex leaching in ethanol. |
Note: | Reproducció del document publicat a: https://doi.org/10.3390/nano11030774 |
It is part of: | Nanomaterials, 2021, vol. 11, p. 774-1-774-24 |
URI: | http://hdl.handle.net/2445/178915 |
Related resource: | https://doi.org/10.3390/nano11030774 |
ISSN: | 2079-4991 |
Appears in Collections: | Articles publicats en revistes (Química Inorgànica i Orgànica) |
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