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<dc:title xml:lang="fr">Information transfer in sequence-defined oligo-urethanes</dc:title>
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<dc:subject xml:lang="fr">Polymères à séquences contrôlées</dc:subject>
<dc:subject xml:lang="fr">Oligo-uréthanes</dc:subject>
<dc:subject xml:lang="fr">Transfert d'information</dc:subject>
<dc:subject xml:lang="fr">Traduction artificielle</dc:subject>
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<dc:subject xml:lang="en">Sequence-defined polymers</dc:subject>
<dc:subject xml:lang="en">Oligo-urethanes</dc:subject>
<dc:subject xml:lang="en">Information transfer</dc:subject>
<dc:subject xml:lang="en">Artificial translation</dc:subject>
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<dcterms:abstract xml:lang="fr">L'objectif de cette thèse est de transférer l'information contenue dans des oligo-uréthanes codés vers une molécule fille complémentaire de nature chimique différente. Les molécules mères sont des oligo-uréthanes contenant des groupes carboxyle (COOH) et hydroxyle (OH), obtenus par une stratégie itérative sur support solide. La séquence d'information initiale peut être potentiellement traduite en utilisant une stratégie d'ester covalent, qui consiste en une modification sélective des groupes pendants, une polymérisation de la molécule fille et une séparation des brins complémentaires. La séquence des oligomères peut être décodée par spectrométrie de masse en tandem - MS/MS. Les conditions optimales pour le clivage de la résine, la déprotection sélective et la réestérification des homo-oligomères contenant des groupes COOH ont été établies. Nous avons réussi à modifier la molécule mère contenant la fonction COOH avec des blocs de construction préformés. D'autre part, un nouveau type d'oligo-uréthanes à séquence contrôlée avec des séquences de carbamates mixtes a été obtenu et la cristallisation de ces oligomères a été étudiée par microscopie optique et électronique.</dcterms:abstract>
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