Please use this identifier to cite or link to this item:
doi:10.22028/D291-33460
Title: | Reversible Diels–Alder Reactions with a Fluorescent Dye on the Surface of Magnetite Nanoparticles |
Author(s): | He, Siyang Kickelbick, Guido |
Language: | English |
Title: | Molecules |
Volume: | 26 |
Issue: | 4 |
Publisher/Platform: | MDPI |
Year of Publication: | 2021 |
Free key words: | iron oxide superparamagnetism Diels–Alder reactions organophosphonates fluorescent dye |
DDC notations: | 500 Science |
Publikation type: | Journal Article |
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. |
DOI of the first publication: | 10.3390/molecules26040877 |
Link to this record: | urn:nbn:de:bsz:291--ds-334600 hdl:20.500.11880/30779 http://dx.doi.org/10.22028/D291-33460 |
ISSN: | 1420-3049 |
Date of registration: | 1-Mar-2021 |
Faculty: | NT - Naturwissenschaftlich- Technische Fakultät |
Department: | NT - Chemie |
Professorship: | NT - Prof. Dr. Guido Kickelbick |
Collections: | SciDok - Der Wissenschaftsserver der Universität des Saarlandes |
Files for this record:
File | Description | Size | Format | |
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molecules-26-00877.pdf | 3,61 MB | Adobe PDF | View/Open |
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