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		<title>Peptides et protéines fixant les lanthanides(III) : propriétés de coordination et applications – En couverture de ChemSocRev</title>
		<link>https://www.lcc-toulouse.fr/peptides-et-proteines-fixant-les-lanthanidesiii-proprietes-de-coordination-et-applications-en-couverture-de-chemsocrev/</link>
		
		<dc:creator><![CDATA[Evelyne PREVOTS]]></dc:creator>
		<pubDate>Mon, 03 Nov 2025 14:44:57 +0000</pubDate>
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					<description><![CDATA[<p>Enrico Falcone, Emilie Mathieu, Christelle Hureau</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/peptides-et-proteines-fixant-les-lanthanidesiii-proprietes-de-coordination-et-applications-en-couverture-de-chemsocrev/">Peptides et protéines fixant les lanthanides(III) : propriétés de coordination et applications – En couverture de ChemSocRev</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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<h4 style="text-align: left;">Peptides et protéines fixant les lanthanides(III): propriétés de coordination et applications<br />En couverture de ChemSocRev</h4>
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<p><em><strong>Lanthanide(III)-binding peptides and proteins: coordination properties and applications</strong></em><br /><em>Falcone E., Mathieu E., Hureau C.</em><br /><em>Chem. Soc. Rev. <strong>2025</strong>,</em><br /><em><a rel="noopener" href="http://dx.doi.org/10.1039/D4CS01148A" target="_blank">10.1039/D4CS01148A<clickandread-btn data-wxt-shadow-root="" style="display: inline-block;"></clickandread-btn></a> – </em><a rel="noopener" href="https://hal.science/hal-05273561" target="_blank"><em>hal-05273561</em></a></p>
<p>&nbsp;</p>
<p>Les lanthanides jouent un rôle essentiel dans les technologies modernes, la médecine et même dans le métabolisme de certaines bactéries méthylotrophes. Dans ce contexte, l’étude des peptides et protéines capables de se lier aux ions lanthanides (Ln³⁺) constitue un domaine de recherche en plein essor.<br />Cette revue présente de manière approfondie les paramètres structuraux, thermodynamiques et cinétiques qui gouvernent l’interaction entre les ions Ln³⁺ et divers peptides ou protéines.</p>
<p>Elle explore également les pistes d’applications : détection luminescente, imagerie par résonance magnétique (IRM), séparation et recyclage des lanthanides, catalyse (photo)catalytique basée sur les lanthanides.</p>
<p>&nbsp;</p>
<p style="text-align: left;"><strong>Contact :</strong><br />Enrico Falcone, <a href="m&#97;&#x69;&#x6c;t&#111;&#58;&#x45;&#x6e;r&#105;&#99;&#x6f;&#x2e;F&#97;&#x6c;&#x63;&#x6f;n&#101;&#x40;&#x6c;c&#99;&#45;&#x74;&#x6f;u&#108;&#111;&#x75;&#x73;e&#46;&#x66;&#x72;">&#x45;&#x6e;&#x72;&#x69;&#99;&#111;&#46;&#102;alc&#x6f;&#x6e;&#x65;&#x40;&#x6c;&#99;&#99;&#45;tou&#x6c;&#x6f;&#x75;&#x73;&#x65;&#46;&#102;&#114;</a><span class="accordion-tabbed__tab-mobile accordion__closed"></span><span class="accordion-tabbed__tab-mobile accordion__closed"><span></span></span></p>
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<p>L’article <a href="https://www.lcc-toulouse.fr/peptides-et-proteines-fixant-les-lanthanidesiii-proprietes-de-coordination-et-applications-en-couverture-de-chemsocrev/">Peptides et protéines fixant les lanthanides(III) : propriétés de coordination et applications – En couverture de ChemSocRev</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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		<pubDate>Mon, 27 Oct 2025 14:07:36 +0000</pubDate>
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					<description><![CDATA[<p>Lionel Salmon, Azzedine Bousseksou et al.</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/protection-des-particules-a-transition-de-spin-lors-du-broyage-dans-des-composites-a-base-de-polyurethane-thermoplastique-en-couverture-de-chemcomm/">Protection des particules à transition de spin lors du broyage dans des composites à base de polyuréthane thermoplastique – En couverture de ChemComm</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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<h4 style="text-align: left;">Spin crossover particle shielding upon grinding in thermoplastic polyurethane composites.</h4>
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<p><span class="comma__item"><span>A. Trapali, J. F. Meunier, M. Baltas, L. Salmon*, A. Bousseksou*</span></span>.<br /><i><strong>Chem. Commun.</strong></i>, 2025, <strong>61</strong>, 16190-16193.<em><br /></em><a href="https://doi.org/10.1039/D5CC04205D" class="linkBehavior">https://doi.org/10.1039/D5CC04205D</a></p>
<p>&nbsp;</p>
<p>Les chercheurs ont réalisé des expériences de broyage sur une poudre à transition de spin (SCO) seule, puis en présence de la matrice de polyuréthane thermoplastique (TPU).<br />Ils ont observé que la présence de cette matière plastique protège les particules SCO pendant le broyage, ce bouclier empêchant leur désactivation.<br />Ce résultat ouvre des perspectives intéressantes pour l’utilisation de ces matériaux SCO dans de futurs dispositifs technologiques.</p>
<p>&nbsp;</p>
<p style="text-align: left;"><strong>Contact :</strong><br />Lionel Salmon, <a href="&#x6d;&#97;i&#x6c;&#x74;&#111;:&#x6c;&#x69;&#111;n&#x65;&#x6c;&#46;s&#x61;&#x6c;&#109;o&#x6e;&#64;&#108;c&#x63;&#45;t&#x6f;&#x75;&#108;o&#x75;&#x73;&#101;&#46;&#x66;&#x72;">li&#111;&#110;&#x65;&#x6c;&#x2e;&#x73;al&#109;&#111;&#x6e;&#x40;&#x6c;&#x63;c-&#116;&#111;&#117;&#x6c;&#x6f;&#x75;&#x73;e&#46;&#102;&#114;</a><br />Azzedine Bousseksou, <span class="accordion-tabbed__tab-mobile accordion__closed"><a class="sm-account__link" title="Link to email address" href="&#109;&#x61;&#x69;&#108;&#x74;&#x6f;&#58;&#x61;&#x7a;&#122;&#x65;&#x64;&#105;&#x6e;&#x65;&#46;&#x62;&#x6f;&#117;&#x73;&#x73;&#101;&#x6b;&#x73;&#111;&#x75;&#x40;l&#x63;&#x63;-&#x74;&#x6f;u&#108;&#x6f;u&#115;&#x65;&#46;&#102;&#x72;">&#x61;&#x7a;&#x7a;&#x65;&#x64;&#x69;&#x6e;&#x65;&#46;&#98;&#111;&#117;&#115;&#115;&#101;ksou&#x40;&#x6c;&#x63;&#x63;&#x2d;&#x74;&#x6f;&#x75;&#x6c;&#111;&#117;&#115;&#101;&#46;&#102;&#114;</a></span><span class="accordion-tabbed__tab-mobile accordion__closed"><span></span></span></p>
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<p>L’article <a href="https://www.lcc-toulouse.fr/protection-des-particules-a-transition-de-spin-lors-du-broyage-dans-des-composites-a-base-de-polyurethane-thermoplastique-en-couverture-de-chemcomm/">Protection des particules à transition de spin lors du broyage dans des composites à base de polyuréthane thermoplastique – En couverture de ChemComm</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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		<item>
		<title>Corrélation entre le potentiel rédox et l’état de spin – En couverture de Angewandte Chemie</title>
		<link>https://www.lcc-toulouse.fr/correlation-entre-le-potentiel-redox-et-letat-de-spin-en-couverture-de-angewandte-chemie/</link>
		
		<dc:creator><![CDATA[Evelyne PREVOTS]]></dc:creator>
		<pubDate>Tue, 26 Aug 2025 14:44:42 +0000</pubDate>
				<category><![CDATA[Actualité équipe P]]></category>
		<category><![CDATA[Avancées scientifiques]]></category>
		<guid isPermaLink="false">https://www.lcc-toulouse.fr/?p=17117</guid>

					<description><![CDATA[<p>Saioa Cobo et al.</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/correlation-entre-le-potentiel-redox-et-letat-de-spin-en-couverture-de-angewandte-chemie/">Corrélation entre le potentiel rédox et l’état de spin – En couverture de Angewandte Chemie</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><div class="et_pb_section et_pb_section_12 et_pb_with_background et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider" >
				
				
				
				
				
				
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				<div class="et_pb_text_inner">Corrélation entre le potentiel rédox et l’état de spin – En couverture de Angewandte Chemie</div>
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				<div class="et_pb_text_inner"><h2>LCC</h2>
<p>&nbsp;</p>
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<h4 style="text-align: left;">Elucidating the Correlation Between the Redox Potential, Spin State, and Crystal Structure in a Series of Ferrous Complexes with Redox-Active Ligands.</h4>
</blockquote>
<p><span class="comma__item"><span>Livia Getzner</span><span class="comma-separator">, </span></span><span class="comma__item"><span> Yasmine Remili</span><span class="comma-separator">, </span></span><span class="comma__item"><span> Zakaria Ziani</span><span class="comma-separator">, </span></span><span class="comma__item"><span> Laure Vendier</span><span class="comma-separator">, </span></span><span class="comma__item"><span> William Nicolazzi</span><span class="comma-separator">, </span></span><span class="comma__item"><span> Aurelian Rotaru</span><span class="comma-separator">, </span></span><span class="comma__item"><span> Haizhu Yu</span><span class="comma-separator">, </span></span><span class="comma__item"><span> Gábor Molnár</span><span class="comma-separator">, </span></span><span class="comma__item"><span> Saioa Cobo</span><span class="comma-separator">, </span></span><span class="comma__item"><span> Azzedine Bousseksou</span></span>.<br />
<em><i>Angew. Chem. Int. Ed.</i></em><strong> <span class="pubYear">2025</span></strong>, e202506965.<em><br />
</em><a href="https://doi.org/10.1002/anie.202506965" class="linkBehavior">https://doi.org/10.1002/anie.202506965</a></p>
<p>&nbsp;</p>
<p>Une série de clathrates de type Hofmann à base de Fe(II) comportant des ligands rédox-actifs révèle une relation en cloche entre le potentiel rédox et la température de transition de spin.<br />
Ce travail met en lumière la manière dont la modulation électronique des ligands influence l’état de spin, la symétrie cristalline et le transfert d’électrons, selon une interprétation fondée sur la théorie de Marcus.</p>
<p>&nbsp;</p>
<p style="text-align: left;"><strong>Contact :</strong><br />
Saioa Cobo  <a href="&#x6d;&#97;i&#x6c;&#x74;&#111;:&#x73;&#97;i&#x6f;&#x61;&#46;c&#x6f;&#98;o&#x40;&#x6c;&#99;c&#x2d;&#x74;&#111;&#x75;&#x6c;&#111;u&#x73;&#x65;&#46;f&#x72;">&#x73;&#97;&#x69;&#x6f;&#97;&#x2e;&#x63;&#111;&#x62;&#x6f;&#64;&#x6c;&#x63;c&#x2d;&#x74;o&#x75;&#108;o&#x75;&#115;e&#x2e;&#102;r</a><br />
Azzedine Bousseksou <span class="accordion-tabbed__tab-mobile accordion__closed"><a class="sm-account__link" title="Link to email address" href="&#109;&#x61;i&#108;&#x74;o&#x3a;&#x61;&#122;&#x7a;e&#100;&#x69;n&#101;&#x2e;&#98;&#x6f;u&#115;&#x73;e&#107;&#x73;&#111;&#x75;&#x40;&#108;&#x63;c&#45;&#x74;o&#x75;&#x6c;&#111;&#x75;s&#101;&#x2e;f&#114;">&#x61;&#122;z&#x65;&#100;&#105;&#x6e;&#x65;&#46;b&#x6f;&#117;s&#x73;&#x65;&#107;s&#x6f;&#117;&#64;&#x6c;&#x63;&#99;-&#x74;&#111;u&#x6c;&#x6f;&#117;s&#x65;&#46;f&#x72;</a></span><span class="accordion-tabbed__tab-mobile accordion__closed"><span></span></span></p>
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<p>L’article <a href="https://www.lcc-toulouse.fr/correlation-entre-le-potentiel-redox-et-letat-de-spin-en-couverture-de-angewandte-chemie/">Corrélation entre le potentiel rédox et l’état de spin – En couverture de Angewandte Chemie</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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		<item>
		<title>Ingénierie de l’anisotropie magnétique dans un aimant moléculaire</title>
		<link>https://www.lcc-toulouse.fr/ingenierie-de-lanisotropie-magnetique-dans-un-aimant-moleculaire/</link>
		
		<dc:creator><![CDATA[Evelyne PREVOTS]]></dc:creator>
		<pubDate>Tue, 26 Aug 2025 13:40:18 +0000</pubDate>
				<category><![CDATA[Actualité équipe S]]></category>
		<category><![CDATA[Avancées scientifiques]]></category>
		<guid isPermaLink="false">https://www.lcc-toulouse.fr/?p=17482</guid>

					<description><![CDATA[<p>Publié dans Inorganic Chemistry Frontiers</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/ingenierie-de-lanisotropie-magnetique-dans-un-aimant-moleculaire/">Ingénierie de l’anisotropie magnétique dans un aimant moléculaire</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><div class="et_pb_section et_pb_section_18 et_pb_with_background et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider" >
				
				
				
				
				
				
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				<div class="et_pb_text_inner">Ingénierie de l’anisotropie magnétique dans un aimant moléculaire</div>
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				<div class="et_pb_text_inner"><h2>LCC</h2>
<p>&nbsp;</p>
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<h4 style="text-align: left;">Ingénierie de l’anisotropie magnétique dans un aimant moléculaire.</h4>
</blockquote>
<p><strong>Engineering first-order spin–orbit coupling in a pentagonal bipyramidal Fe(ii) complex and subsequent SMM behavior.<br /></strong>Bretosh, V. Béreau, F. Heully-Alary, N. Suaud, C. Duhayon, E. Duverger-Nédellec, N. Guihéry, J.-P. Sutter.<br />Inorg. Chem. Front., <strong>2025</strong>, 12, 9, 3456-3468.<br /><a href="https://doi.org/10.1039/D4QI03255A">https://doi.org/10.1039/D4QI03255A</a></p>
<p style="text-align: left;"><strong>Contact :</strong><br />Jean-Pascal Sutter <a href="&#x6d;&#x61;&#x69;&#108;&#116;&#111;:j&#x65;&#x61;&#x6e;&#x2d;&#112;&#97;sc&#x61;&#x6c;&#x2e;&#x73;&#117;&#116;te&#x72;&#x40;&#x6c;&#x63;&#99;&#45;&#116;ou&#x6c;&#x6f;&#x75;&#x73;&#101;&#46;fr">&#106;&#x65;a&#110;&#x2d;p&#97;&#x73;c&#97;&#x6c;&#46;&#115;&#x75;t&#116;&#x65;r&#64;&#x6c;c&#99;&#x2d;t&#111;&#x75;l&#111;&#x75;s&#101;&#x2e;f&#x72;</a></p></div>
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				<div class="et_pb_text_inner"><p style="text-align: left;">Contrairement aux ions lanthanides, le couplage spin-orbite de premier ordre est annulé par le champ ligand pour les ions de métaux de transition, et l&rsquo;obtention d&rsquo;une anisotropie magnétique élevée est généralement considérée comme le Saint Graal pour ces ions. Nos résultats obtenus avec le Fe(II) montrent que la contribution du couplage spin-orbite de premier ordre ne se limite pas aux complexes à faible nombre de coordination, mais peut être obtenue dans des complexes de géométrie bipyramide pentagonale (voir figure) grâce à une conception chimique appropriée. Ceci est confirmé par des calculs théoriques et des comportements magnétiques expérimentaux compatibles avec l&rsquo;existence d&rsquo;une anisotropie magnétique importante, la caractéristique la plus marquante étant les comportements SMM avec des barrières énergétiques importantes pour l’inversion de l&rsquo;aimantation. L&rsquo;observation d&rsquo;un tel comportement sans champ magnétique statique appliqué est tout à fait remarquable pour un complexe 3d mononucléaire.</p></div>
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<p>Laboratoire de chimie de coordination du CNRS</p>
<p>205 route de Narbonne, BP 44099<br />31077 Toulouse cedex 4<br />France</p>
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<p>L’article <a href="https://www.lcc-toulouse.fr/ingenierie-de-lanisotropie-magnetique-dans-un-aimant-moleculaire/">Ingénierie de l’anisotropie magnétique dans un aimant moléculaire</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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		<title>Contrôler le mouvement de navettes moléculaires – En couverture de Chemistry Europe</title>
		<link>https://www.lcc-toulouse.fr/controler-le-mouvement-de-navettes-moleculaires-en-couverture-de-chemistry-europe/</link>
		
		<dc:creator><![CDATA[Evelyne PREVOTS]]></dc:creator>
		<pubDate>Thu, 17 Jul 2025 09:31:47 +0000</pubDate>
				<category><![CDATA[Actualité équipe M]]></category>
		<category><![CDATA[Avancées scientifiques]]></category>
		<guid isPermaLink="false">https://www.lcc-toulouse.fr/?p=17072</guid>

					<description><![CDATA[<p>"pH-Controlled Gliding Motions in Pillar[5]arene-Containing Molecular Shuttles"</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/controler-le-mouvement-de-navettes-moleculaires-en-couverture-de-chemistry-europe/">Contrôler le mouvement de navettes moléculaires – En couverture de Chemistry Europe</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><div class="et_pb_section et_pb_section_24 et_pb_with_background et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider" >
				
				
				
				
				
				
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				<div class="et_pb_text_inner">Contrôler le mouvement de navettes moléculaires – En couverture de Chemistry Europe</div>
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				<div class="et_pb_text_inner"><h2>LCC</h2>
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<h4 style="text-align: left;">pH-Controlled Gliding Motions in Pillar[5]arene-Containing Molecular Shuttles.</h4>
</blockquote>
<p>Becharguia, N., Nierengarten, I., Sournia-Saquet, A., Wasielewski, E., Abidi, R., Delavaux-Nicot, B. and Nierengarten, J.-F.<br /><em>ChemistryEurope.</em> <strong>2025</strong>, 3: e202400115.<br /><a href="https://doi.org/10.1002/ceur.202400115">https://doi.org/10.1002/ceur.202400115</a></p>
<p style="text-align: left;">Des chercheurs du Laboratoire de chimie de coordination (LCC Toulouse) et du <span class="accordion-tabbed__tab-mobile accordion__closed">Laboratoire de chimie des matériaux moléculaires</span> (UNISTRA Strasbourg) ont conçu des « navettes moléculaires », et sont capables de contrôler leurs déplacements. Ces machines moléculaires utilisent une molécule en forme d’anneau, appelée <strong>pillar[5]arène</strong>, qui peut glisser le long d’un axe composé de deux zones (stations) différentes.</p>
<p>Ce qui rend ces navettes uniques, c’est qu’elles réagissent à leur environnement :</p>
<ul>
<li>Quand le milieu est acide (pH bas), l’anneau peut glisser librement sur toute la longueur du rail.</li>
<li>Quand le milieu est neutre, ses mouvements moléculaires sont limités à la station décyle.</li>
</ul>
<p>L’anneau peut également être bloqué sur une partie précise du rail (la station décyle) en modifiant la molécule protonée par une oxydation électrochimique. Ce système montre qu’il est possible de contrôler précisément le mouvement de composants moléculaires, ce qui ouvre la voie à des applications futures dans les nanotechnologies ou les matériaux intelligents.</p>
<p style="text-align: left;"><strong>Contact :</strong><br />Béatrice Delavaux-Nicot <a href="&#x6d;&#x61;&#105;l&#x74;&#x6f;&#58;be&#x61;&#x74;&#114;i&#x63;&#x65;&#46;&#100;e&#x6c;&#x61;&#118;a&#x75;&#x78;&#45;&#110;i&#x63;&#x6f;&#116;&#64;&#x6c;&#x63;&#99;&#45;t&#x6f;&#x75;&#108;o&#x75;&#x73;&#101;&#46;f&#x72;"> &#x62;e&#x61;&#116;r&#x69;&#99;&#x65;&#x2e;d&#x65;&#108;a&#x76;&#97;&#x75;&#120;-&#x6e;&#105;c&#x6f;&#116;&#x40;&#108;c&#x63;&#45;&#x74;&#x6f;u&#x6c;&#111;u&#x73;&#101;&#x2e;&#x66;r</a><br />Jean-François Nierengarten <span class="accordion-tabbed__tab-mobile accordion__closed"><a class="sm-account__link" title="Link to email address" href="mail&#116;&#111;&#58;&#110;&#105;&#x65;&#x72;&#x65;&#x6e;&#x67;&#x61;&#x72;ten&#64;&#117;&#110;&#105;&#115;&#116;&#x72;&#x61;&#x2e;&#x66;&#x72;"><span>ni&#101;&#114;&#101;&#110;&#x67;&#x61;&#x72;&#x74;&#x65;n&#64;&#117;&#110;&#105;&#115;&#x74;&#x72;&#x61;&#x2e;&#x66;r</span></a></span><br /><span class="accordion-tabbed__tab-mobile accordion__closed"><span>Iwona Nierengarten <a class="sm-account__link" title="Link to email address" href="&#x6d;&#97;&#x69;&#x6c;t&#x6f;&#58;i&#x6f;&#115;i&#x6e;&#115;&#x6b;&#x61;&#64;&#x75;&#110;i&#x73;&#116;r&#x61;&#46;&#x66;&#x72;">&#x69;&#111;&#x73;&#x69;&#110;&#x73;&#107;a&#x40;&#117;n&#x69;&#115;t&#x72;&#97;&#46;&#x66;&#114;</a></span></span></p></div>
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<p>L’article <a href="https://www.lcc-toulouse.fr/controler-le-mouvement-de-navettes-moleculaires-en-couverture-de-chemistry-europe/">Contrôler le mouvement de navettes moléculaires – En couverture de Chemistry Europe</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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		<title>Infuzide : une nouvelle molécule prometteuse contre les bactéries multirésistantes</title>
		<link>https://www.lcc-toulouse.fr/infuzide-une-nouvelle-molecule-prometteuse-contre-les-bacteries-multiresistantes/</link>
		
		<dc:creator><![CDATA[Evelyne PREVOTS]]></dc:creator>
		<pubDate>Tue, 10 Jun 2025 21:27:51 +0000</pubDate>
				<category><![CDATA[À la Une]]></category>
		<category><![CDATA[Actualité équipe R]]></category>
		<category><![CDATA[Avancées scientifiques]]></category>
		<guid isPermaLink="false">https://www.lcc-toulouse.fr/?p=16634</guid>

					<description><![CDATA[<p>Publié dans American Society of Microbiology par M. Baltas et al.</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/infuzide-une-nouvelle-molecule-prometteuse-contre-les-bacteries-multiresistantes/">Infuzide : une nouvelle molécule prometteuse contre les bactéries multirésistantes</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><div class="et_pb_section et_pb_section_30 et_pb_with_background et_section_regular" >
				
				
				
				
				
				
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				<div class="et_pb_text_inner">Infuzide : une nouvelle molécule prometteuse contre les bactéries multirésistantes</div>
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				<div class="et_pb_text_inner"><h2>LCC</h2>
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				<div class="et_pb_text_inner"><blockquote>
<h4><span lang="EN-US"><strong>Infuzide : une nouvelle molécule prometteuse contre les bactéries multirésistantes</strong></span></h4>
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<p>Face à l’urgence sanitaire mondiale que représente l’antibiorésistance, Michel Baltas (équipe R du LCC <a href="https://www.lcc-toulouse.fr/molecules-et-composites-pour-loptique-equipe-r-2/">Molécules et composites pour l’optique</a>) et ses collaborateurs ont synthétisé une nouvelle molécule qu’ils ont baptisée <em>infuzide</em>. Cette molécule s’est révélée efficace contre des souches résistantes de pathogènes gram positifs, notamment <em>Staphylococcus aureus</em> et <em>Enterococcus</em>, en laboratoire et sur modèle animal. <em>Infuzide</em> s’est avérée plus performante que certains antibiotiques de référence. Ces résultats marquent une étape importante vers le développement de nouveaux traitements contre les infections résistantes aux antibiotiques classiques.</p>
<p><a href="https://asm.org/press-releases/2025/june/synthetic-compound-shows-promise-against-multidrug">Lire le communiqué de presse de l&rsquo;American Society of Microbiology</a></p>
<p><strong>Contact :<br /></strong>Michel Baltas  <a href="#">Michel.Baltas(at)lcc-toulouse.fr</a></p>
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				<div class="et_pb_text_inner"><div id="attachment_16637" style="width: 510px" class="wp-caption alignnone"><img decoding="async" aria-describedby="caption-attachment-16637" src="https://www.lcc-toulouse.fr/wp-content/uploads/2025/06/Molecule_Infuzide_Baltas-300x116.jpg" width="300" height="116" alt="" class="wp-image-16637 size-medium" /><p id="caption-attachment-16637" class="wp-caption-text">Structure de la molécule Infuzide (C<sub>17</sub>H<sub>14</sub>N<sub>4</sub>O<sub>4</sub>) <br />©Michel Baltas / LCC CNRS</p></div></p>
<h4>Référence :</h4>
<p>Comprehensive biological evaluation of infuzide as a potent antimicrobial, alone and in combination with gentamicin, linezolid, and minocycline targeting MDR Staphylococcus aureus and Enterococcus sp.<br />Maitra R, Saxena D, Akhir A, Kapusterynska A, Baltas M, Chopra S.0.<br />Microbiol Spectr0:e00279-25.<br /><a href="https://doi.org/10.1128/spectrum.00279-25">https://doi.org/10.1128/spectrum.00279-25</a></p></div>
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				<div class="et_pb_text_inner"><p>Deux autres publications de Michel Baltas récompensées récemment :</p>
<ul>
<li><em>ACS Omega</em> <strong>2022</strong> <em>7</em> (40), 35635-35655 DOI: <a href="https://doi.org/10.1021/acsomega.2c03421">10.1021/acsomega.2c03421</a><br /><a href="https://www.acs.org/molecule-of-the-week/archive/l/lawsone.html?cid=home_motw">https://www.acs.org/molecule-of-the-week/archive/l/lawsone.html?cid=home_motw</a><br />Lire l&rsquo;article « <a href="https://www.lcc-toulouse.fr/la-lawsone-a-lhonneur-dans-lacs-molecule-of-the-week/">La Lawsone à l’honneur dans l’ACS Molecule of the Week</a> » sur le site du LCC</li>
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<p>&nbsp;</p>
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<li>R<em>SCMechanochemistry</em>, <strong>2024</strong>, 1, 167-175. <a href="https://doi.org/10.1039/d3mr00032j">https://doi.org/10.1039/d3mr00032j</a><br />Lire l&rsquo;article « <a href="https://www.lcc-toulouse.fr/synthese-en-une-etape-de-molecules-therapeutiques-par-mechanochimie/">Synthèse en une étape de molécules thérapeutiques par méchanochimie</a> » sur le site du LCC<br /><a href="https://www.inc.cnrs.fr/fr/cnrsinfo/synthese-en-une-etape-de-molecules-therapeutiques-par-mechanochimie">Lire l&rsquo;article de CNRS Chimie</a></li>
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<p>L’article <a href="https://www.lcc-toulouse.fr/infuzide-une-nouvelle-molecule-prometteuse-contre-les-bacteries-multiresistantes/">Infuzide : une nouvelle molécule prometteuse contre les bactéries multirésistantes</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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		<title>Influence du spin d’un ion métallique sur la réactivité moléculaire</title>
		<link>https://www.lcc-toulouse.fr/influence-du-spin-dun-ion-metallique-sur-la-reactivite-moleculaire/</link>
		
		<dc:creator><![CDATA[Evelyne PREVOTS]]></dc:creator>
		<pubDate>Tue, 04 Mar 2025 13:01:33 +0000</pubDate>
				<category><![CDATA[À la Une]]></category>
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		<guid isPermaLink="false">https://www.lcc-toulouse.fr/?p=15770</guid>

					<description><![CDATA[<p>Publié dans Communications Chemistry par Lucie Routaboul et al.</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/influence-du-spin-dun-ion-metallique-sur-la-reactivite-moleculaire/">Influence du spin d’un ion métallique sur la réactivité moléculaire</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><div class="et_pb_section et_pb_section_37 et_pb_with_background et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider" >
				
				
				
				
				
				
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				<div class="et_pb_text_inner">Influence du spin d’un ion métallique sur la réactivité moléculaire</div>
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<h4><span lang="EN-US"><strong>Spin state effect on the efficiency of a post-synthetic modification reaction on a spin crossover complex</strong></span><strong></strong></h4>
<p><span>Alejandro Enríquez-Cabrera, Yongjian Lai, Lionel Salmon, Lucie Routaboul, Azzedine Bousseksou</span>, <em><span>Communications Chemistry</span></em><span><strong> 2025</strong></span>.<br /><a href="https://doi.org/10.1038/s42004-025-01425-1">https://doi.org/10.1038/s42004-025-01425-1</a></p>
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<p>Le comportement quantique des électrons influence directement la réactivité chimique de certains complexes métalliques. C’est ce que viennent de montrer des scientifiques du CNRS en mettant en évidence une interaction inédite entre l’état de spin du fer et la transformation de groupements aminés sous l’effet d’un aldéhyde. Leurs résultats ouvrent de nouvelles perspectives pour le contrôle de la réactivité chimique et la conception de nouveaux matériaux commutables.</p>
<p><a href="https://www.inc.cnrs.fr/fr/cnrsinfo/influence-du-spin-dun-ion-metallique-sur-la-reactivite-moleculaire">Lire l&rsquo;actualité scientifique sur le site web de CNRS Chimie</a></p>
<p><strong>Contacts :<br /></strong>Lucie Routaboul  <a href="#">Lucie.Routaboul(at)lcc-toulouse.fr</a><br />Lionel Salmon <a href="#">Lionel.Salmon(at)lcc-toulouse.fr</a><br />Azzedine Bousseksou <a href="#">Azzedine.Bousseksou(at)lcc-toulouse.fr</a></p></div>
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<p>L’article <a href="https://www.lcc-toulouse.fr/influence-du-spin-dun-ion-metallique-sur-la-reactivite-moleculaire/">Influence du spin d’un ion métallique sur la réactivité moléculaire</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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		<title>Chapitre d&#8217;ouvrage</title>
		<link>https://www.lcc-toulouse.fr/chapitre-douvrage/</link>
		
		<dc:creator><![CDATA[Evelyne PREVOTS]]></dc:creator>
		<pubDate>Tue, 10 Dec 2024 10:33:08 +0000</pubDate>
				<category><![CDATA[Actualité équipe L]]></category>
		<category><![CDATA[Avancées scientifiques]]></category>
		<guid isPermaLink="false">https://www.lcc-toulouse.fr/?p=15413</guid>

					<description><![CDATA[<p>"Influence of Capping Ligands on Metal-Nanoparticle-Driven Hydrogen Evolution and CO<sub>2</sub> Reduction Reactions"<br />
Chapitre de "Surface Functionalized Metal Catalysts "</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/chapitre-douvrage/">Chapitre d&rsquo;ouvrage</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><div class="et_pb_section et_pb_section_43 et_pb_with_background et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider" >
				
				
				
				
				
				
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<h4 style="text-align: left;"><span class="title-text">Influence of Capping Ligands on Metal-Nanoparticle-Driven Hydrogen Evolution and CO2 Reduction Reactions</span></h4>
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<p style="text-align: left;"><span>Nuria Romero</span>, Karine Philippot<a href="https://doi.org/10.1007/3418_2024_116"></a></p>
<p style="text-align: left;">ABSTRACT<br /><span>This chapter looks into the influence of the functionalization of the surface of metal nanoparticles (MNPs) with ligands on their catalytic performance in two crucial reactions, the hydrogen evolution reaction (HER) and the CO2 reduction reaction (CO2RR). The birth of the surface functionalization of MNPs with ligands was greatly inspired by the advanced knowledge accumulated on molecular metal catalysts, whose physical and chemical properties can be tuned by coordinating appropriate ligands to the metal active center. This field of research has profited from the progress in the synthetic methods for the generation of MNPs and the evolution of the spectroscopic and analytical techniques for their exhaustive characterization, as well as the improvement of the computational techniques. Relevant examples will illustrate how the functionalization of the surface of MNPs allow to modulate the energy profile of catalytic intermediate species through electronic effects and regulate the product selectivity through hydrophobic/hydrophilic effects. Another key parameter is the tuning of the number of surface-active sites as a function of the metal to ligand ratio and the chemical nature of the coordinating ligand. Furthermore, in some peculiar cases, second coordination sphere effects have even been described in analogy to biological enzymes.<br /></span></p>
<p style="text-align: left;"><strong>Contact :</strong><br />Karine Philippot <a href="#">Karine.Philippot(at)lcc-toulouse.fr</a></p>
<p style="text-align: left;"><strong>Référence :<br /></strong>Influence of Capping Ligands on Metal-Nanoparticle-Driven Hydrogen Evolution and CO2 Reduction Reactions<br />Martí G., Lozano-Roche A., Romero N., Francàs L., Philippot K., Bofill R., García-Antón J., Sala X.<br />in Topics in Organometallic Chemistry. Surface Functionalized Metal Catalysts, L. M. Martínez-Prieto (Ed.), Springer International Publishing: Cham, 2024, vol. 75, pp. 105-132. (978-3-031-73841-8).<br /><a class="moz-txt-link-freetext" rel="noopener" href="https://doi.org/10.1007/3418_2024_116" target="_blank">https://doi.org/10.1007/3418_2024_116</a><br /><a class="moz-txt-link-freetext" rel="noopener" href="https://hal.science/hal-04821235" target="_blank">https://hal.science/hal-04821235</a></p></div>
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<p>L’article <a href="https://www.lcc-toulouse.fr/chapitre-douvrage/">Chapitre d&rsquo;ouvrage</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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		<title>La Lawsone à l&#8217;honneur dans l&#8217;ACS Molecule of the Week</title>
		<link>https://www.lcc-toulouse.fr/la-lawsone-a-lhonneur-dans-lacs-molecule-of-the-week/</link>
		
		<dc:creator><![CDATA[Evelyne PREVOTS]]></dc:creator>
		<pubDate>Thu, 17 Oct 2024 15:47:04 +0000</pubDate>
				<category><![CDATA[Actualité équipe R]]></category>
		<category><![CDATA[Avancées scientifiques]]></category>
		<guid isPermaLink="false">https://www.lcc-toulouse.fr/?p=13968</guid>

					<description><![CDATA[<p>Une étude du LCC (Michel Baltas, Anne Robert et al.) et de l'Université de Tartu (Estonie) citée dans ‘ACS Molecule of the Week’ (molécule de la semaine de l'ACS)</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/la-lawsone-a-lhonneur-dans-lacs-molecule-of-the-week/">La Lawsone à l&rsquo;honneur dans l&rsquo;ACS Molecule of the Week</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><div class="et_pb_section et_pb_section_49 et_pb_with_background et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider" >
				
				
				
				
				
				
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				<div class="et_pb_text_inner">La Lawsone à l&rsquo;honneur dans l&rsquo;ACS Molecule of the Week</div>
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				<div class="et_pb_text_inner"><h2>LCC</h2>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p></div>
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<h4><a href="https://www.acs.org/molecule-of-the-week/archive/l/lawsone.html?cid=home_motw">Lawsone</a></h4>
<p><strong><span>La molécule de la semaine (MOTW pour &lsquo;Molecule of the week&rsquo;) est une rubrique populaire sur le site web de l&rsquo;American Chemical Society.<br /></span></strong></p>
</blockquote>
<p>Une publication concernant <a href="https://pubs.acs.org/doi/10.1021/acsomega.2c03421">la réaction de la lawsone avec divers aldéhydes et isocyanures</a> des équipes R et V en collaboration avec l&rsquo;Université de Tartu (Estonie) est citée dans « ACS molecule of the week » !</p>
<p><a href="https://www.acs.org/molecule-of-the-week/archive/l/lawsone.html?cid=home_motw">Lire l&rsquo;article concernant la Lawsone sur ACS molecule of the week</a><br />Lire la publication citée : <a href="https://pubs.acs.org/doi/10.1021/acsomega.2c03421">Réaction de la lawsone avec divers aldéhydes et isocyanures</a></p>
<p><strong>Contact : </strong>Michel Baltas  <a href="&#x6d;&#x61;&#x69;&#108;&#116;o:&#x4d;&#x69;&#x63;&#x68;&#101;&#108;&#46;B&#x61;&#x6c;&#x74;&#97;&#115;&#64;lc&#x63;&#x2d;&#x74;&#111;&#117;lo&#x75;&#x73;&#x65;&#x2e;&#102;&#114;">Michel.Baltas(at)lcc-toulouse.fr</a></p></div>
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				<div class="et_pb_text_inner"><div id="attachment_13969" style="width: 690px" class="wp-caption alignnone"><img decoding="async" aria-describedby="caption-attachment-13969" src="https://www.lcc-toulouse.fr/wp-content/uploads/2024/10/Lawsone_MOTW_ACS.jpg" width="680" height="383" alt="" class="wp-image-13969 size-full" srcset="https://www.lcc-toulouse.fr/wp-content/uploads/2024/10/Lawsone_MOTW_ACS.jpg 680w, https://www.lcc-toulouse.fr/wp-content/uploads/2024/10/Lawsone_MOTW_ACS-480x270.jpg 480w" sizes="(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 680px, 100vw" /><p id="caption-attachment-13969" class="wp-caption-text">I started out as a dye, but look at me now!<br />What molecule am I?</p></div></div>
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<p>L’article <a href="https://www.lcc-toulouse.fr/la-lawsone-a-lhonneur-dans-lacs-molecule-of-the-week/">La Lawsone à l&rsquo;honneur dans l&rsquo;ACS Molecule of the Week</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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		<title>Un matériau prometteur pour une électronique moléculaire nouvelle génération</title>
		<link>https://www.lcc-toulouse.fr/un-materiau-prometteur-pour-une-electronique-moleculaire-nouvelle-generation/</link>
		
		<dc:creator><![CDATA[Evelyne PREVOTS]]></dc:creator>
		<pubDate>Thu, 22 Aug 2024 14:47:15 +0000</pubDate>
				<category><![CDATA[Actualité équipe P]]></category>
		<category><![CDATA[Avancées scientifiques]]></category>
		<guid isPermaLink="false">https://www.lcc-toulouse.fr/?p=13469</guid>

					<description><![CDATA[<p>Publié dans Nature Communications par Saioa Cobo et al.</p>
<p>L’article <a href="https://www.lcc-toulouse.fr/un-materiau-prometteur-pour-une-electronique-moleculaire-nouvelle-generation/">Un matériau prometteur pour une électronique moléculaire nouvelle génération</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><div class="et_pb_section et_pb_section_55 et_pb_with_background et_section_regular section_has_divider et_pb_bottom_divider et_pb_top_divider" >
				
				
				
				
				
				
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				<div class="et_pb_text_inner">Un matériau prometteur pour une électronique moléculaire nouvelle génération</div>
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				<div class="et_pb_text_inner"><h2>LCC</h2>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p></div>
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<h4><strong>Combining electron transfer, spin crossover,and redox properties in metal-organicframeworks<br /></strong></h4>
<p>Livia Getzner, Damian Paliwoda, Laure Vendier, Latévi Max Lawson-Daku, Aurelian Rotaru, Gábor Molnár, Saioa Cobo et Azzedine Bousseksou, <em>Nature Communications, </em>le 21 août 2024.<br /><a href="https://doi.org/10.1038/s41467-024-51385-8">https://doi.org/10.1038/s41467-024-51385-8</a></p>
</blockquote>
<p>Des scientifiques toulousains du Laboratoire de chimie de coordination (LCC – CNRS) ont mis au point un nouveau type de matériau, un polymère de coordination de type clathrate de Hofmann. C’est la première fois que ce matériau original présente la capacité d’une double bistabilité électronique sous stimuli extérieur, c’est-à-dire qu’il peut passer d’un état déterminé à d’autres. Il offre des perspectives intéressantes pour une électronique moléculaire nouvelle génération. L’étude de Saioa Cobo, professeure à l’université Toulouse III – Paul Sabatier (chaire professeur junior), et de ses collaborateurs a été publiée dans Nature Communications le 21 août.</p>
<p><a href="https://www.univ-tlse3.fr/actualite-de-la-recherche/a-toulouse-des-scientifiques-developpent-un-materiau-prometteur-pour-une-electronique-moleculaire-nouvelle-generation">Lire le communiqué de presse sur le site web de l&rsquo;université Paul Sabatier</a></p>
<p><strong>Contact : </strong>Saioa Cobo  <a href="#">Saioa.Cobo(at)lcc-toulouse.fr</a></p></div>
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<p>Laboratoire de chimie de coordination du CNRS</p>
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<p>L’article <a href="https://www.lcc-toulouse.fr/un-materiau-prometteur-pour-une-electronique-moleculaire-nouvelle-generation/">Un matériau prometteur pour une électronique moléculaire nouvelle génération</a> est apparu en premier sur <a href="https://www.lcc-toulouse.fr">LCC CNRS Toulouse</a>.</p>
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