Results 111 to 120 of about 83,829 (291)

Mujeres en pandillas salvadoreñas y las paradojas de una agencia precaria

Papeles del CEIC, 2019
El fenómeno de las maras o pandillas en El Salvador se ha constituido en objeto de estudio frecuente al haber devenido, a lo largo de los últimos años, en una brutal manifestación de las violencias salvadoreñas de posguerra.
María Santacruz Giralt
semanticscholar   +1 more source

Signatures of Edge States in Antiferromagnetic Van der Waals Josephson Junctions

Advanced Materials, EarlyView.
ABSTRACT The combination of superconductivity and magnetic textures leads to unconventional superconducting phenomena, including new correlated and topological phases. Van der Waals (vdW) materials emerge as a versatile platform for exploring the interplay between these two competing orders.
Celia González‐Sánchez, Ignacio Sardinero, Jorge Cuadra, Alfredo Spuri, José A. Moreno, Hermann Suderow, Elke Scheer, Pablo Burset, Angelo Di Bernardo, Rubén Seoane Souto, Eduardo J. H. Lee   +10 more
wiley   +1 more source

Enabling Real‐Time, Non‐Ionizing 3D Imaging of Implantable Magnetic Cements Using Magnetic Particle Imaging

Advanced Materials Interfaces, EarlyView.
This study reports the first implantable resin cement capable of orientation‐sensitive Magnetic Particle Imaging (MPI). By coating the cement with an ultrathin iron film, the authors achieve a strong, angle‐dependent MPI signal that enables non‐ionizing, real‐time tracking of both implant position and orientation, opening new possibilities for safe ...
Gabriel C. Pinto, João M. Costa, Simão P. Fernandes, Gabriela F. Resende, Eduardo T. C. Coimbra, Patrick Vogel, Mariana B. Oliveira, Marco Giardiello, Ricardo M. Silva, Armando A.C.S. Lourenço, Nuno J. O. Silva   +10 more
wiley   +1 more source

The NADPH oxidase NOX4 regulates redox and metabolic homeostasis preventing HCC progression

Hepatology, EarlyView., 2022
Loss of NOX4 in HCC tumor cells induces metabolic reprogramming in a Nrf2/MYC‐dependent manner to promote HCC progression. Abstract Background and Aims The NADPH oxidase NOX4 plays a tumor‐suppressor function in HCC. Silencing NOX4 confers higher proliferative and migratory capacity to HCC cells and increases their in vivo tumorigenic potential in ...
Irene Peñuelas‐Haro, Rut Espinosa‐Sotelo, Eva Crosas‐Molist, Macarena Herranz‐Itúrbide, Daniel Caballero‐Díaz, Ania Alay, Xavier Solé, Emilio Ramos, Teresa Serrano, María L. Martínez‐Chantar, Ulla G. Knaus, José M. Cuezva, Antonio Zorzano, Esther Bertran, Isabel Fabregat   +14 more
wiley   +1 more source

La constitución de la agencia

Cuadernos de Turismo, 1998
     La constitución de las Agencias de Viajes presenta algunos problemas legales que pretenden ser aclarados en el presente trabajo y ello referido siempre a la Orden Ministerial reguladora de las Agencias de Viaje de 14 de Abril de 1988 (OMAV), norma de origen estatal que todavía es de aplicación en algunas comunidades autónomas, bien directamente, o
Hernández Armand, Luis, Hernández Armand, Enrique   +1 more
openaire   +2 more sources

Suppressing Metal–Molecule Charge Transfer With a Phosphorus Interlayer

Advanced Materials Interfaces, EarlyView.
Phosphorus forms stable reconstructions with remarkable properties on various metal substrates. Here, using a spectroscopic approach, its role as an effective buffer layer on Cu(110) is demonstrated, preventing charge transfer to adsorbed Zn‐tetraphenylporphyrins (ZnTPP).
Mattia Bassotti, Luca Floreano, Luca Schio, Sergio Salaverria, Dimas G. de Oteyza, Giacomo Giorgi, Frederik Schiller, Alberto Verdini   +7 more
wiley   +1 more source

Enhanced mitochondrial activity reshapes a gut microbiota profile that delays NASH progression

Hepatology, EarlyView., 2022
Improved mitochondrial activity, due to the lack of methylation‐controlled J protein (MCJ), creates a specific microbiota signature that when transferred through cecal microbiota transplantation delays NASH progression by restoring the gut‐liver axis and enhancing hepatic fatty acid oxidation.
María Juárez‐Fernández, Naroa Goikoetxea‐Usandizaga, David Porras, María Victoria García‐Mediavilla, Miren Bravo, Marina Serrano‐Maciá, Jorge Simón, Teresa C. Delgado, Sofía Lachiondo‐Ortega, Susana Martínez‐Flórez, Óscar Lorenzo, Mercedes Rincón, Marta Varela‐Rey, Leticia Abecia, Héctor Rodríguez, Juan Anguita, Esther Nistal, María Luz Martínez‐Chantar, Sonia Sánchez‐Campos   +18 more
wiley   +1 more source

Efectividad de los ácidos grasos hiperoxigenados en la prevención de las úlceras vasculares: Una revisión sistemática

Gerokomos
Objetivos: conocer la eficacia de los ácidos grasos hiperoxigenados (AGHO) en la prevención de las úlceras vasculares. Determinar el nivel de evidencia existente sobre el uso de ácidos grasos hiperoxigenados en la prevención de las úlceras vasculares ...
Eva Vives Sánchez, Mª. Jesús Colomina Rodríguez, María Parreño Casanova, Pablo López Casanova, José Verdú Soriano   +4 more
doaj  

Quasi‐Single‐Mode Polaritonic Crystal for Hyperbolic Phonon‐Polaritons

Advanced Optical Materials, EarlyView.
Near‐field study of the polaritonic Fourier crystal with α‐MoO3 reveals that the hyperbolic phonon‐polaritons within the Type‐I Reststrahlen band may form a quasi‐single‐mode Bloch wave where only the fundamental mode propagates in the crystal. Our results demonstrate the realization of a quasi‐single‐mode regime for the inherently multimode hyperbolic
Sergey G. Menabde, Yongjun Lim, Alexey Y. Nikitin, Pablo Alonso‐González, Jacob T. Heiden, Heerin Noh, Seungwoo Lee, Min Seok Jang   +7 more
wiley   +1 more source

Hydrophilic Janus Micelles From an ABC Triblock Copolymer

Angewandte Chemie, EarlyView.
An amphiphilic triblock copolymer with poly(ethylene glycol) (PEG) and poly(N‐vinylpyrrolidone) (PVP) coronas self‐assembles into spherical micelles with Janus‐type surface segregation in water. Cryo‐TEM, enabled by selective PVP labeling, and 1H‐NOESY NMR reveal phase separation.
José Muñoz‐López, Lei Hu, Hui Wang, Xiaohe Tian, Lorena Ruiz‐Pérez, Giuseppe Battaglia   +5 more
wiley   +2 more sources