Nina Královič-Kanjaková, Ali Asi Shirazi, Lukáš Hubčík, Mária Klacsová, Atoosa Keshavarzi, Juan Carlos Martínez, Sophie Combet, José Teixeira, and Daniela Uhríková The use of an exogenous pulmonary surfactant (EPS) to deliver other relevant drugs to the lungs is a promising strategy for combined therapy.

Universality of q=1/2 orbital magnetism in the pseudogap phase of the high-Tc superconductor YBa2Cu3O6+x Dalila Bounoua, Yvan Sidis, Martin Boehm, Paul Steffens, Toshinao Loew, Lin Shan Guo, Jun Qian, Xin Yao, and Philippe Bourges, Phys. Rev. B 108 (2023) 214408. Several decades of debate have centered around the nature of the enigmatic pseudogap state in high-temperature superconducting copper oxides.

On De Gennes narrowing of fluids confined at the molecular scale in nanoporous materials Wanda Kellouai, Jean-Louis Barrat, Patrick Judeinstein, Marie Plazanet, Benoit Coasne, J. Chem. Phys. 160, 024113 (2024). Beyond well-documented confinement and surface effects arising from the large internal surface and severely confining porosity of nanoporous hosts, the transport of nanoconfined fluids remains puzzling in many aspects. With striking examples such as memory, i.e.

M. Warburton, J.M. Ablett, J.-P. Rueff, P. Baroni, L. Paolasini, L. Noirez We examine the influence at room temperature of the deposit of a water layer on the phonon dynamics of a solid. It is shown that the water wetting at the surface of an Alumina monocrystal has deep effects on acoustic phonons, propagating over several hundred µm distance and taking place on a relatively long time scale.

V. Balédent, A. Vaunat, S. Petit, L. Nataf, S. Chattopadhyay, S. Raymond, and P. Foury-Leylekian In this paper, we investigate the physical properties of the type-II multiferroic GdMn2O5 material by means of neutron scattering, electric polarization, and magnetization measurements. A complex (T,H) phase diagram shows up, with especially a field-induced magnetic transition around 11 T at low temperature.

Anne-Charlotte Le Gulluche, Guylaine Ducouret, Ludovic Olanier, Annie Brûlet, Olivier Sanseau, Paul Sotta, and Alba Marcellan Model hybrid hydrogels reinforced by silica nanoparticles were designed by polymerizing and cross-linking the gels in situ. The polymer–particle interactions were tuned by using either poly(dimethylacrylamide) (PDMA), which adsorbs on silica, or poly(acrylamide) (PAAm), which does not.

A. Sazonov, H. Thoma, R. Dutta, M. Meven, A. Gukasov, R. Fittipaldi, V. Granata, T. Masuda, B. Nafradi, and V. Hutanu A detailed investigation of Ba2MnGe2O7 was performed in its low-temperature magnetoelectric state combining neutron diffraction with magnetization measurements on single crystals. In the paramagnetic state at 10 K, polarized neutron diffraction was applied to reveal the components of the susceptibility tensor.

Antoine Cossa, Sylvain Trépout, Frank Wien, Johannes Groen, Etienne Le Brun, Florian Turbant, Laetitia Besse, Eva Pereiro, Véronique Arluison The bacterial chromosomic DNA is packed within a membrane-less structure, the nucleoid, due to the association of DNA with proteins called Nucleoid Associated Proteins (NAPs). Among these NAPs, Hfq is one of the most intriguing as it plays both direct and indirect roles on DNA structure.

Ellen Fogh, Bastian Klemke, Manfred Reehuis, Philippe Bourges, Christof Niedermayer, Sonja Holm-Dahlin, Oksana Zaharko, Jürg Schefer, Andreas B. Kristensen, Michael K. Sørensen, Sebastian Paeckel, Kasper S. Pedersen, Rasmus E. Hansen, Alexandre Pages, Kimmie K. Moerner, Giulia Meucci, Jian-Rui Soh, Alessandro Bombardi, David Vaknin, Henrik. M. Rønnow, Olav F. Syljuåsen, Niels B.

Maëva Almeida, Daniel Dudzinski, Catherine Amiel, Jean-Michel Guigner,Sylvain Prévost, Clémence Le Coeur and Fabrice Cousin Here, we describe the behavior of mixtures of stearic acid (SA) and its hydroxylated counterpart 12-hydroxystearic acid (12-HSA) in aqueous mixtures at room temperature as a function of the 12-HSA/SA mole ratio R.

I. V. Golosovsky, I. A. Kibalin, A. Gukasov, A. G. Roca, A. López-Ortega, M. Estrader, M. Vasilakaki, K. N. Trohidou, T. C. Hansen, I. Puente-Orench, E. Lelièvre-Berna, J. Nogués Heterogeneous bi-magnetic nanostructured systems have had a sustained interest during the last decades owing to their unique magnetic properties and the wide range of derived potential applications. However, elucidating the details of their magnetic properties can be rather complex.

Simeon Minic, Burkhard Annighöfer, Milos Milcic, François Maignen, Annie Brûlet, Sophie Combet Apomyoglobin (apoMb), a model protein in biochemistry, exhibits a strong propensity to bind various ligands, which makes it a good candidate as a carrier of bioactive hydrophobic drugs. The stability of its hydrophobic pocket determines its potential as a carrier of bioactive compounds.

Somia Haouache, Yu Chen, Clara Jimenez-Saelices, Fabrice Cousin, Pan Chen, Yoshiharu Nishiyama, François Jerome, and Isabelle Capron Nanocelluloses can be used to stabilize oil–water surfaces, forming so-called Pickering emulsions. In this work, we compare the organization of native and mercerized cellulose nanocrystals (CNC-I and CNC-II) adsorbed on the surface of hexadecane droplets dispersed in water at different CNC concentrations.

Özge Azeri, Dennis Schönfeld, Bin Dai, Uwe Keiderling, Laurence Noirez and Michael Gradzielski Block copolymers synthesized via Atom Transfer Radical Polymerization from alkyl acrylate and t-butyl acrylate and the subsequent hydrolysis of the t-butyl acrylate to acrylic acid were systematically varied with respect to their hydrophobic part by the variation in the alkyl chain length and the degree of polymerisation in this block.

Céline JAUDOIN, Isabelle GRILLO, Fabrice COUSIN, Maria GEHRKE, Malika OULDALI, Ana-Andreea ARTENI, Luc PICTON, Christophe RIHOUEY, Fanny SIMELIERE, Amélie BOCHOT, Florence AGNELY Mixtures of hyaluronic acid (HA) with liposomes lead to hybrid colloid–polymer systems with a great interest in drug delivery. However, little is known about their microstructure.

Anne-Sophie Robbes, Jacques Jestin, Florian Meneau, Florent Dalmas, François Boué, and Fabrice Cousin, Macromolecules 2022, 55, 15, 6876–6889.

Michal Swierczewski,  Fabrice Cousin,  Ewa Banach,  Arnulf Rosspeintner,  Latevi Max Lawson Daku,  Abolfazl Ziarati,  Rania Kazan,  Gunnar Jeschke,  Raymond Azoulay,  Lay-Theng Lee,  Thomas Bürgi A bidentate chiral dithiol (diBINAS) is utilised to bridge Au25 nanoclusters to form oligomers. Separation by size allows the isolation of fractions that are stable thanks to the bidentate nature of the linker.

Florian Turbant, Jehan Waeytens, Camille Campidelli, Marianne Bombled, Denis Martinez, Axelle Grélard, Birgit Habenstein, Vincent Raussens, Marisela Velez, Frank Wien, Véronique Arluison Hfq is a pleiotropic regulator that mediates several aspects of bacterial RNA metabolism. The protein notably regulates translation efficiency and RNA decay in Gram-negative bacteria, usually via its interaction with small regulatory RNAs.

Sophie Combet, Françoise Bonneté, Stéphanie Finet, Alexandre Pozza, Christelle Saade, Anne Martel, Alexandros Koutsioubas, Jean-Jacques Lacapère, Biochimie (2022) in press.   The translocator protein (TSPO) is a ubiquitous transmembrane protein of great pharmacological interest thanks to its high affinity to many drug ligands.

Eni Kume, Nicolas Martin, Peter Dunne, Patrick Baroni and Laurence Noirez Molecules 2022, 27(22), 7829. Mesoscopic shear elasticity has been revealed in ordinary liquids both experimentally by reinforcing the liquid/surface interfacial energy and theoretically by nonextensive models.

H. P. Khanh Ngo, E. Planes, C. Iojoiu, P. Soudant, A.-L. Rollet, P. Judeinstein The increasing need of portable electrical resources requires to develop post-Li batteries, in which redox reactions are then based on the different alkali or earth alkaline ions.

Michal Swierczewski, Alexis Chenneviere, Lay-Theng Lee, Plinio Maroni, Thomas Bürgi Langmuir-Blodgett (LB) technique allows the deposition of gold nanoclusters (atomically precise nanoparticles below 2 nm in diameter) onto solid substrates with an unprecedented degree of control and high transfer ratios. Nanoclusters are expected to follow the crinkle folding mechanism, which promotes the formation of trilayers but kinetically disfavors the formation of the fourth layer.

I. Mirebeau et N. Martin, J. Appl. Cryst. (2022). 55, 1173-1183 The application is discussed of neutron methods to the study of reentrant spin glasses (RSGs), close to the transition towards a `canonical' spin glass (SG). The focus is on two emblematic systems, namely Au1−xFex and amorphous a-Fe1−xMnx. A set of experimental results is presented to highlight their peculiar static and dynamic properties.

Wen-Gen Zheng, Victor Balédent, Claire V. Colin, Françoise Damay, Jean-Pascal Rueff, Anne Forget, Dorothée Colson and Pascale Foury-Leylekian It has been recently observed that a superconducting phase emerges under pressure in the Fe-based spin-ladders BaFe2X3 (X = S, Se). The low dimensionality of the Fe spin-ladders, which simplifies the elaboration of theoretical models, should help to understand the mechanism of superconductivity.

Simeon Minić, Burkhard Annighöfer, Arnaud Hélary, Laïla Sago, David Cornu, Annie Brûlet, Sophie Combet High pressure (HP) is a particularly powerful tool to study protein folding/unfolding, revealing subtle structural rearrangements. Bovine β-lactoglobulin (BLG), a protein of interest in food science, exhibits a strong propensity to bind various bioactive molecules.

E. Kume and L. Noirez We show that a confned viscous liquid emits a dynamic thermal response upon applying a low frequency (∼1 Hz) shear excitation. Hot and cold thermal waves are observed in situ at atmospheric pressure and room temperature, in a viscous liquid (polypropylene glycol) at various thicknesses ranging from 100 µm up to 340 µm, upon applying a mechanical oscillatory shear strain.

Fabrizia Foglia, Quentin Berrod, Adam J. Clancy, Keenan Smith, Gérard Gebel, Victoria García Sakai, Markus Appel, Jean-Marc Zanotti, Madhusudan Tyagi, Najet Mahmoudi, Thomas S. Miller, John R. Varcoe, Arun Prakash Periasamy, Daniel J. L. Brett, Paul R. Shearing, Sandrine Lyonnard and Paul F.

Tiago Outerelo Corvo, Antoine Jourdain, Shona O’Brien, Frédéric Restagno, Eric Drockenmuller, and Alexis Chennevière Poly(ionic liquid)s (PILs), similar to their ionic liquid (IL) analogues, present a nanostructure arising from local interactions.

Marion Grzelka, Iurii Antoniuk, Éric Drockenmuller, Alexis Chennevière, Liliane Léger, and Frédéric Restagno The role of the polymer volume fraction, ϕ, on steady-state slippage and interfacial friction is investigated for semi-dilute polystyrene solutions in diethyl phthalate in contact with two solid surfaces. Significant slippage is evidenced for all samples, with slip lengths b obeying a power law dependence.

Sumit Mehan, Laure Herrmann, Jean-Paul Chapel, Jacques Jestin, Jean-Francois Berret and Fabrice Cousin We investigate the formation/re-dissociation mechanisms of hybrid complexes made from negatively charged PAA2k coated g-Fe2O3 nanoparticles (NP) and positively charged polycations (PDADMAC) in aqueous solution in the regime of very high ionic strength (I).