Dye-labelled polymer chains at specific sites: Synthesis by living/controlled polymerization |
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Authors: | Mariana Beija,Marie-Thé rè se Charreyre,José M.G. Martinho |
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Affiliation: | a Laboratoire Joliot-Curie, ENS de Lyon, IFR128 BioSciences Gerland - Lyon Sud, 46 Allée d’Italie, Lyon Cedex 69364, France b Laboratoire Ingénierie des Matériaux Polymères, UMR CNRS 5223, INSA-Lyon, Université de Lyon, Domaine Scientifique de la Doua, Villeurbanne Cedex 69622, France c Centro de Química-Física Molecular and IN-Institute of Nanoscience and Nanotechnology, Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal d Laboratoire des Intéractions Moléculaires et Réactivité Chimique et Photochimique, UMR 5623, Université Paul Sabatier, 31062 Toulouse Cedex 9, France |
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Abstract: | Dye-labelled polymer chains are extremely useful in many fields, such as optical imaging, signal amplification in biological diagnostics, light-harvesting and photochromic materials as well as in fluorescence studies about intra- and inter-molecular polymer chain associations, conformations and dynamics of polymer chains. However, in many cases, it is particularly useful that the dye is localized at a specific site, such as the chain-end or the junction between blocks. With the development of living/controlled polymerization techniques, end- and junction-functionalized polymers can be prepared with controlled molecular weights from a huge variety of monomers. This review highlights the state of the art in the strategies leading to one and only one precisely localized dye per polymer chain. Such dye can be introduced at three different steps of the polymerization: i) at the very beginning via the initiator or a chain transfer agent, ii) during polymerization via a functional monomer or a quencher, or iii) after polymerization via covalent binding of a dye-derivative. |
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Keywords: | CRP Fluorescence End-functionalized polymers Dye Labelled polymers |
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