ArticleMolecules (Basel, Switzerland)2021
Reversible Diels-Alder Reactions with a Fluorescent Dye on the Surface of Magnetite Nanoparticles.
Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Self-Healing Iron Oxide Polyelectrolyte Nanocomposites: Influence of Particle Agglomeration and Water on Mechanical Properties.Nanomaterials (Basel, Switzerland) · 2023Article
- 25th Anniversary of Molecules-Recent Advances in Inorganic Chemistry.Molecules (Basel, Switzerland) · 2021Article
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Abstract
Diels-Alder reactions on the surface of nanoparticles allow a thermoreversible functionalization of the nanosized building blocks. We report the synthesis of well-defined magnetite nanoparticles by thermal decomposition reaction and their functionalization with maleimide groups. Attachment of these dienophiles was realized by the synthesis of organophosphonate coupling agents and a partial ligand exchange of the original carboxylic acid groups. The functionalized iron oxide particles allow a covalent surface attachment of a furfuryl-functionalized rhodamine B dye by a Diels-Alder reaction at 60 °C. The resulting particles showed the typical fluorescence of rhodamine B. The dye can be cleaved off the particle surface by a retro-Diels-Alder reaction. The study showed that organic functions can be thermoreversibly attached onto inorganic nanoparticles.
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