Results 41 to 50 of about 249,441 (287)

Robust and Reversible Thermofluorescence in Solvent‐Free Thermoplastic Polyurethane Composites

open access: yesAdvanced Functional Materials, EarlyView.
Thermofluorescent polymer composites with high‐contrast optical outputs are prepared by solvent‐free blending of indenoquinacridone dye into a thermoplastic polyurethane matrix. The temperature‐dependent fluorescence originates from aggregation–dissociation of the dye molecules, regulated by competing hydrogen bonds from the polymer matrix.
Guanghua Yu   +8 more
wiley   +1 more source

La urna donada a San Isidro por la reina doña Mariana de Neoburgo

open access: yesArchivo Español de Arte, 2004
El 4 de abril de 1082, reinando Alfonso VI el Valiente, nacía en Madrid el hombre que varios siglos más tarde sería beatificado y, posteriormente, canonizado como San Isidro Labrador.
Gloria Martínez Leiva
doaj   +1 more source

Historia general de España [PDF]

open access: yes, 1891
Contiene: Reyes cristianos desde Alfonso VI hasta Alfonso XI en Castilla, Aragon, Navarra y Portugal / por Manuel Colmeiro, 1 v.-- Castilla y Leon durante los reinados de Pedro I, Enrique II, Juan I y Enrique III, Tomo I / por Juan Catalina Garcia ...
Colmeiro, Manuel, 1818-1894   +4 more
core  

Photoconductivity‐Driven Quantum Efficiency Gain in Inorganic Ruddlesden‐Popper Layered Cs2PbBr2I2 Perovskite Photodetector for Visible Light Detection

open access: yesAdvanced Functional Materials, EarlyView.
Rational halogen mixing strategy was employed to shift the bandgap of Cs2PbBr2I2 from ultraviolet to visible region, enabling first realization of a visible‐light photodetector with this 2D layered Ruddlesden‐Popper perovskite material. Under illumination, light‐induced internal field forms and drives trap‐mediated persistent photoconductivity ...
Md Fahim Al Fattah   +11 more
wiley   +1 more source

Escritura monástica y memoria regia en las abadías de San Millán de la Cogolla y Sahagún en el siglo XII.

open access: yesCuadernos de Historia de España, 2012
La presente investigación tiene por objeto el análisis de los documentos (auténticos o falsos) en que las abadías de San Millán de la Cogolla y Sahagún en el siglo XII plasmaron y transmitieron su particular memoria de los reyes que habían mantenido ...
José Ángel García de Cortázar   +1 more
doaj   +1 more source

Bioorthogonal Photoactivation of 2‐Nitrobenzyl Caged Doxorubicin Anticancer Prodrugs on Gold Nanostars

open access: yesAdvanced Materials, EarlyView.
Bioorthogonal chemistry was applied to intracellularly photoactivate Doxorubicin (Dox) using gold nanostars (AuNSt) and near‐infrared (NIR) light. Two prodrugs were used: one photoactivatable, masked with 2‐nitrobenzyl carbamate (proDox1) and another photolabile, masked with 2‐nitrobenzyl diol (proDox2), which was attached to the AuNSt surface.
Juan José Esteve‐Moreno   +15 more
wiley   +1 more source

La Iglesia de Toledo en la Edad Media: organización institucional y formas de vida religiosa. Estado de la cuestión: archivos y descripción de manuscritos

open access: yesHispania Sacra, 2017
Este trabajo presenta un estado de la cuestión sobre el estudio del arzobispado de Toledo en la Edad Media, sin referirnos al resto de sus diócesis sufragáneas, tras la conquista de esta ciudad en 1085 por el rey Alfonso VI de León y Castilla.
Enrique Torija Rodríguez
doaj   +1 more source

Label‐Free SERS Fingerprinting of Neuroprotein Conformational Dynamics in Human Saliva

open access: yesAdvanced Materials, EarlyView.
Galvanic molecular entrapment (GME) is a label‐free method for detecting and quantifying neuroprotein conformational states. This technique enables direct surface binding and in situ hotspot generation around molecules, effectively overcoming challenges related to target localization and mismatched hotspot geometries.
Muhammad Shalahuddin Al Ja'farawy   +10 more
wiley   +1 more source

Élites di governo e «mastre» ad Agrigento fra Trecento e Quattrocento

open access: yesAnuario de Estudios Medievales, 2002
Sebbene le comunità demaniali siciliane acquisiscano un peso centrale ed inedito nei regni di Martino e di Alfonso V, a parte poche eccezioni mancano ricerche monografiche e comparate delle dinamiche sociali cittadine Questo articolo prende in esame la ...
Fabrizio Titone
doaj   +1 more source

Vacuum‐Evaporated, Lead‐Free RbYbI3 Perovskite Interlayers for Universal Electron Injection in High‐Performance Organic Light‐Emitting Diodes

open access: yesAdvanced Materials, EarlyView.
ABSTRACT The optoelectronic performance of organic light‐emitting diodes (OLEDs) is critically governed by charge injection from electrodes into organic layers, where significant energy barriers at the interfaces often impede efficient charge injection.
Amarja S. Katware   +7 more
wiley   +1 more source

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