Results 31 to 40 of about 107,122 (285)

An Overlooked Transport Mechanism in Organic Mixed Conductors

open access: yesAdvanced Functional Materials, EarlyView.
Electrical transport in organic mixed ionic‐electronic conductors is commonly described by ionic and electronic conduction. Here, eumelanin reveals that polarization‐assisted displacement currents constitute an additional transport component that coexists with conductive transport.
Natan L. Nozella   +5 more
wiley   +1 more source

Pulsed Laser‐Assisted Phase Engineering of Multimetallic Colloidal Nanocrystals With Complex Compositions

open access: yesAdvanced Materials, EarlyView.
The engineering of colloidal nanocrystals with complex compositions has emerged as a highly active area of research within nanomaterials science. This review covers key aspects of colloidal solid‐solution nanocrystal formation using pulsed laser irradiation.
Marina T. Candela   +4 more
wiley   +1 more source

La venta de ISAGEN, un exabrupto

open access: yesPanorama Económico, 2014
Este documento se enfoca inicialmente en las motivaciones presentes desde el Gobierno Central para iniciar el proceso de privatización de activos del Estado, como es el caso de ISAGEN.
Amylkar Acosta-Medina
doaj   +3 more sources

Association between Stable Coronary Artery Disease and In Vivo Thrombin Generation

open access: yesCardiology Research and Practice, 2016
Background. Thrombin has been implicated as a key molecule in atherosclerotic progression. Clinical evidence shows that thrombin generation is enhanced in atherosclerosis, but its role as a risk factor for coronary atherosclerotic burden has not been ...
Benjamin Valente-Acosta   +9 more
doaj   +1 more source

Resonant Domain Wall Dynamics in a Three‐Dimensional Magnetic Nano Double Helix

open access: yesAdvanced Materials, EarlyView.
3D magnetic nanostructures promise exciting possibilities for magnetization dynamics. However, experimental realizations remain scarce. In nanoprinted cobalt double helices, time‐resolved X‐ray microscopy reveals harmonic domain wall dynamics. Simulations identify the mode and additional higher‐frequency resonances, revealing a rich dynamic landscape ...
Pamela Morales‐Fernández   +15 more
wiley   +1 more source

Complicaciones Peritoneales por Cálculos Biliares no Recuperados en la Colecistectomía Laparoscópica. Modelo Experimental Animal

open access: yesRevista Colombiana de Cirugía, 2021
Se utilizaron 10 conejos asignados en dos grupos de 5 animales cada uno: Grupo A, estudio, y Grupo B, control; todos fueron sometidos a minilaparotomía. A los del grupo A se les colocaron cálculos biliares heterólogos en la cavidad peritoneal; a los del
Germán Rengifo   +6 more
doaj  

Plasmon‐Enhanced Second‐Harmonic Generation in Atomically Thin Crystalline Silver Nanostructures

open access: yesAdvanced Materials, EarlyView.
Atomically thin crystalline silver films combine vertical quantum confinement with lateral plasmonic field enhancement to boost second‐harmonic generation. Nanoribbon and nanotriangle arrays enable geometry‐tunable infrared plasmon resonances, producing strong SHG from deeply subwavelength metallic volumes compatible with silicon‐based nanophotonics ...
Saad Abdullah   +10 more
wiley   +1 more source

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