Mostrando ítems 181-200 de 375

    Innovative strategies to treat skin wounds with mangiferin: fabrication of transferosomes modified with glycols and mucin 

    Allaw, Mohamad; Pleguezuelos Villa, Maria; Manca, Maria Letizia; Caddeo, Carla; Aroffu, Matteo; Nacher, Amparo; Díez Sales, Octavio; Ruiz Sauri, Amparo; Escribano Ferrer, Elvira; Fadda, Anna Maria; Manconi, Maria (Fecha de publicación: 2021-05-19)

    im: The moisturizing properties of glycerol, the penetration enhancing capability of propylene glycol and the bioadhesive properties of mucin were combined to improve the carrier capabilities of transfersomes and the ...

    Nonideal optical response of liquid crystal variable retarders and its impact on their performance as polarization modulators 

    Garcia Parejo, Pilar; Campos Jara, Antonio; García Caurel, Enric; Arteaga Barriel, Oriol; Álvarez Herrero, Alberto (Fecha de publicación: 2021-05-26)

    Liquid crystal variable retarders (LCVRs) will be used for the first time in a space instrument, the Solar Orbiter mission of the European Space Agency, as polarization states analyzers (PSAs). These devices will determine ...

    The combined use of gold nanoparticles and infrared radiation enables cytosolic protein delivery 

    Garcia, Josep; Fernández Pradas, Juan Marcos; Lladó, Anna; Serra Coromina, Pere; Zalvidea, Dobryna; Kogan, Marcelo J.; Giralt Lledó, Ernest; Sánchez Navarro, Macarena (Fecha de publicación: 2023-02-01)

    Cytosolic protein delivery remains elusive. The inability of most proteins to cross the cellular membrane is a huge hurdle. Here we explore the unique photothermal properties of gold nanorods (AuNRs) to trigger cytosolic ...

    Rapid quantification of 3D ultrasound fields with wavefront sensing and Schlieren tomography 

    Colom, Mateu; Ricci, Pietro; Duocastella, Martí (Fecha de publicación: 2024-09-25)

    The rapid and precise characterization of three-dimensional (3D) pressure fields inside water is paramount for ultrasound (US) applications in fields as relevant as biomedicine and acoustic trapping. The most conventional ...

    Electrodeposition of nanostructured Bi2MoO6@Bi2MoO6-x homojunction films for the enhanced visible-light-driven photocatalytic degradation of antibiotics 

    Gómez, Elvira; Cestaro, Roberto; Philippe, Laetitia; Serrà i Ramos, Albert (Fecha de publicación: 2022-10-04)

    Complex tunable visible-light-driven Aurivillius-phase-based micro- and nanostructured photocatalysts were fabricated following a novel, scalable, easily implemented sequential process based on electrochemical deposition ...

    Effect of a Balanced Concentration of Hydrogen on Graphene CVD Growth 

    Chaitoglou, Stefanos; Pascual Miralles, Esther; Bertrán Serra, Enric; Andújar Bella, José Luis (Fecha de publicación: 2016-09-27)

    The extraordinary properties of graphene make it one of the most interesting materials for future applications. Chemical vapor deposition (CVD) is the syntheticmethod that permits obtaining large areas ofmonolayer graphene. ...

    Flavonoid ‐ enriched plant ‐ extract ‐ loaded emulsion : a novel phytocosmetic sunscreen formulation with antioxidant properties. antioxidants 

    Cefali, Letícia Caramori; Ataide, Janaína Artem; Fernandes, Ana Rita; Oliveira Sousa, Ilza Maria de; Da Silva Gonçalves, Fernanda Cristina; Eberlin, Samara; Dávila, José Luis; Jozala, Angela Faustino; Chaud, Marco Vinicius; Sánchez-López, E. (Elena); Marto, Joana; d'Àvila, Marcos Akira; Ribeiro, Helena Margarida; Foglio, Mary Ann; Souto, Eliana B.; Gava Mazzola, Priscila (Fecha de publicación: 2020-06-23)

    The aim of this study was to develop a phytocosmetic sunscreen emulsion with antioxidant effect, containing a blend of flavonoid-enriched plant extracts. In vitro sun protection factor, antioxidant activity, skin irritation, ...

    Conditions determining the morphology and nanoscale magnetism of Co nanoparticles: Experimental and numerical studies 

    Simeonidis, Konstantinos; Martínez Boubeta, José Carlos; Iglesias, Òscar; Cabot i Codina, Andreu; Angelakeris, Makis; Mourdikoudis, S.; Tsiaoussis, I.; Delimitis, A.; Dendrinou Samara, C.; Kalogirou, O. (Fecha de publicación: 2018-06-07)

    Co-based nanostructures ranging from core/shell to hollow nanoparticles were prepared by varying the reaction time and the chemical environment during the thermal decomposition of Co2(CO)8. Both structural characterization ...

    Parallel illumination for depletion microscopy throughacousto-optic spatial light modulation 

    Klingmann, Fabian; Toledo-García, Nick; Martín Badosa, Estela; Montes Usategui, Mario; Tiana Alsina, Jordi (Fecha de publicación: 2024-10-21)

    State-of-the-art super-resolution microscopy techniques, including Stimulated Emission Depletion (STED), Reversible Saturable Optical Fluorescence Transitions (RESOLFT), and Switching Laser Mode (SLAM) microscopies, implement ...

    Extending calibration-free force measurements to optically-trapped rod-shaped samples 

    Català, Frederic; Marsà, Ferran; Montes Usategui, Mario; Farré Flaquer, Arnau; Martín Badosa, Estela (Fecha de publicación: 2018-03-05)

    Optical trapping has become an optimal choice for biological research at the microscale due to its non-invasive performance and accessibility for quantitative studies, especially on the forces involved in biological ...

    Caloric Effects Induced by Uniform and Non-uniform Stress in Shape-Memory Materials 

    Porta Tena, Marcel; Castán i Vidal, Maria Teresa; Saxena, A. (Avadh); Planes Vila, Antoni (Fecha de publicación: 2025-04-03)

    A Ginzburg–Landau model is developed that is adequate to describe a square-to-rectangle martensitic transition with associated shape-memory and superelastic properties. Using this model we study caloric effects in the ...

    Probing active nematics with in situ microfabricated elastic inclusions 

    Vélez Cerón, Ignasi; Guillamat Bassedas, Pau; Sagués i Mestre, Francesc; Ignés i Mullol, Jordi (Fecha de publicación: 2025-07-11)

    In this work, we report a direct measurement of the forces exerted by a tubulin/kinesin active nematic gel as well as its complete rheological characterization, including the quantification of its shear viscosity, η, and ...

    Breakup of quantum liquid filaments 

    Ancilotto, Francesco; Barranco Gómez, Manuel; Pi Pericay, Martí (Fecha de publicación: 2023-07-07)

    We investigate how the Rayleigh-Plateau instability of a filament made of a 41 K - 87 Rb self-bound mixture may lead to an array of identical quantum droplets, with typical breaking times which are shorter than the lifetime ...

    Structure and dynamics of nanoconfined water and aqueous solutions 

    Corti, H. R.; Appignanesi, Gustavo A.; Barbosa, M. C.; Bordin, J. R; Calero Borrallo, Carles; Camisasca, G.; Elola, M. D.; Franzese, Giancarlo; Gallo, P.; Hassanali, A.; Huang K.; Laria, D.; Menéndez, C. A.; Montes de Oca, J. M.; Longinotti, M. P.; Rodriguez, J.; Rovere, Mauro; Scherlis, D.; Szleifer, I. (Fecha de publicación: 2023-01-30)

    This review is devoted to discussing recent progress on the structure, thermodynamic, reactivity, and dynamics of water and aqueous systems confined within different types of nanopores, synthetic and biological. Currently, ...

    Angular momentum in rotating superfluid droplets 

    O'Connell, Sean M. O.; Tanyag, Rico Mayro P.; Verma, Deepak; Bernando, Charles; Pang, Weiwu; Bacellar, Camila; Saladrigas, Catherine A.; Mahl, Johannes; Toulson, Benjamin W.; Kumagai, Yoshiaki; Walter, Peter; Ancilotto, Francesco; Barranco Gómez, Manuel; Pi Pericay, Martí; Bostedt, Christoph; Gessner, Oliver; Vilesov, Andrey F. (Fecha de publicación: 2023-01-27)

    The angular momentum of rotating superfluid droplets originates from quantized vortices and capillary waves, the interplay between which remains to be uncovered. Here, the rotation of isolated submicrometer superfluid 4He ...

    Polymorphic chiral squaraine crystallites in textured thin films 

    Zablocki, Jennifer; Arteaga Barriel, Oriol; Balzer, Frank; Hertel, Dirk; Holstein, Julian J.; Clever, Guido; Anhäuser, Jana; Puttreddy, Rakesh; Rissanen, Kari; Meerholz, Klaus; Lützen, Arne; Schiek, Manuela (Fecha de publicación: 2021-03-02)

    An enantiomerically pure (R)-2-methylpyrrolidine-based anilino squaraine crystallizes in two chiral polymorphs adopting a monoclinicC2 and an orthorhombic P212121structure, respectively. By various thin-film preparation ...

    Review of the current landscape of the potential of nanotechnology for future malaria diagnosis, treatment, and vaccination strategies 

    Guasch Girbau, Arnau; Fernàndez Busquets, Xavier (Fecha de publicación: 2022-01-10)

    Malaria eradication has for decades been on the global health agenda, but the causative agents of the disease, several species of the protist parasite Plasmodium, have evolved mechanisms to evade vaccine-induced immunity ...

    Multimodal fluorescence microscope with fast adaptive polarimetry 

    Martínez-Prat, Berta; Arteaga Barriel, Oriol; Sagués, Francesc; Ignés-Mullol, Jordi (Fecha de publicación: 2025-02-25)

    Polarized light microscopy is a widely used technique to observe specimens that are optically anisotropic, or birefringent. It has a broad applicability in the study of minerals, soft materials such as polymers, complex ...

    Formation of metastable phases by spinodal decomposition 

    Alert Zenón, Ricard; Tierno, Pietro; Casademunt i Viader, Jaume (Fecha de publicación: 2017-02-03)

    Metastable phases may be spontaneously formed from other metastable phases through nucleation. Here we demonstrate the spontaneous formation of a metastable phase from an unstable equilibrium by spinodal decomposition, ...

    Geometrical Phase Optical Components: Measuring Geometric Phase without Interferometry 

    Arteaga Barriel, Oriol; Bendada, Hana (Fecha de publicación: 2021-04-12)

    Optical components that are based on Pancharatnam-Berry phase feature a polarization-dependent diffraction that can be used to fabricate lenses and gratings with unique properties. In recent years, the great progress made ...