Results 31 to 40 of about 62,683 (164)

Morfología de semillas de Calluna Salisb. [PDF]

open access: yes, 2004
Morfología de semillas de Calluna Salisb. (Ericaceae). Se estudia la morfología de las semillas de Calluna vulgaris (L.) Hull, única especie de Calluna Salisb. (Ericaceae).
Fagúndez, Jaime, Izco, Jesús
core   +1 more source

Resolving Complex Multiscale Structure of Magneto‐ and Electroactive Polymer Composites With an Ionic Liquid

open access: yesAdvanced Materials, EarlyView.
Multiscale ionic liquid segregation into nano‐sized domains in the unconfined amorphous polymer phase and into micron‐sized pores enables a coupled magneto‐ and electroactive responses. ABSTRACT A multiscale understanding of the structure of ionogels – nanoparticle‐free polymer composites incorporating ionic liquids – is essential for enhancing their ...
Andrey Shibaev   +16 more
wiley   +1 more source

Obtención de pigmentos cerámicos de perovskita CaTiO3 dopada con cromo y vanadio por descomposición metal-orgánica (MOD) [PDF]

open access: yes, 2012
The Metal Organic Decomposition (MOD) route based on the chelation of a solution of metallic salts (usually nitrates) by policarboxylic acid (oxalic and citric), applied to the synthesis of ceramic pigments based on chromium and vanadium doped CaTiO3 ...
Badenes March, José Antonio   +6 more
core   +3 more sources

The Coupling of Ferroelectric Polarization and Oxygen Vacancy Migration Enables Electrically Controlled Thermal Memories

open access: yesAdvanced Materials, EarlyView.
Ferroelectric Hf0.5Zr0.5O2 epitaxial thin films exhibit a non‐volatile, electrically controlled thermal conductivity enabled by the coupling between oxygen vacancy migration, acting as phonon scatterers, and ferroelectric polarization, acting as ion migration valve.
Dídac Barneo   +13 more
wiley   +1 more source

Polimorfismo de liposomas [PDF]

open access: yesEpistemus, 2015
Revisamos las teorías actuales que explican los cambios de forma de liposomas. Incluimos resultados experimentales de Microscopía Óptica (MO), Contraste de Interferencia Diferencial (DIC) y Microscopía Electrónica de Criofractura (TEM) que muestran la ...
Araceli Arteaga Jiménez   +3 more
doaj  

Nanoestructuras híbridas fe3o4-ag-y2o3:eu3+: evaluación de sus propiedades físicas y su posible aplicación en Sensado [PDF]

open access: yes, 2017
Tesis Doctoral del Posgrado en Ciencia de MaterialesSe desarrolló un material híbrido a partir de estructuras unidimensionales (1D) de óxido de itrio dopado con varias concentraciones de europio (Y2O3:Eu3+), decoradas con magnetita (Fe3O4) y plata (Ag)
TORRES GOMEZ, NAYELY   +1 more
core  

The aggregation of Brucella abortus occurs under microaerobic conditions and promotes desiccation tolerance and biofilm formation [PDF]

open access: yes, 2012
Brucella abortus causes brucellosis mainly in cattle. The infection is transmitted to humans by ingestion of animal products or direct contact with infected material.
Almiron, Marta A.   +2 more
core   +1 more source

A Multiepitope‐Based Lateral Flow Assay for Leprosy Antibodies

open access: yesAnalysis &Sensing, EarlyView.
An innovative lateral flow assay for leprosy diagnosis is based on gold nanoparticles and synthetic Mycobacterium leprae epitopes conjugated to keyhole limpet hemocyanin protein to enhance antibody detection. This strategy provides a rapid, accurate, and low‐cost approach for resource‐limited settings, enabling the early detection of infection. Leprosy
Cristiane Zocatelli‐Ribeiro   +7 more
wiley   +1 more source

Poly(Hydroxybutyrate‐Co‐Hydroxyvalerate)/Thermoplastic Starch Blends for Application in Biodegradable Mulch Films

open access: yesPolymer Engineering &Science, EarlyView.
Poly(hydroxybutyrate‐co‐hydroxyvalerate)/thermoplastic starch blends, produced by melt processing, showed improvements in mechanical properties and water vapor transmission barrier performance, which can help control excessive water evaporation from the soil, thus contributing to pH and moisture regulation.
Pâmela R. Oliveira   +4 more
wiley   +1 more source

Microscopía óptica y electrónica aplicada al estudio de hormigón endurecido [PDF]

open access: yes, 2005
Se utiliza microscopía óptica y electrónica en el estudio del hormigón endurecido. El uso de secciones delgadas permite determinar el estado de conservación del hormigón, la interfase agregado – mortero, la presencia de microfisuras y el desarrollo de ...
Maiza, Pedro, Marfil, Silvina Andrea
core  

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