Results 111 to 120 of about 1,054,754 (307)

Jaime Marquet y la Antigua Casa de Correos de Madrid [PDF]

open access: yes, 1962
La Puerta del Sol no fue plaza hasta el siglo XIX, formando antaño un simple espacio libre ante la puerta o portillo del Sol, que pertenecía a un recinto desaparecido ya en el siglo XVI.
Navascués Palacio, Pedro
core   +1 more source

Chamber‐Specific Decellularized Extracellular Matrices Differentially Modulate Cardiomyocyte Subtypes to Drive Engineered Heart Tissue Development and Function

open access: yesAdvanced Healthcare Materials, EarlyView.
Chamber‐specific decellularized extracellular matrices (ECMs) were developed, preserving native proteomic profiles of ventricular and atrial myocardium. These innate biochemical cues differentially modulate cardiomyocyte subtypes to drive engineered heart tissue development and function, highlighting the importance of incorporating regional ECM cues in
Dong Gyu Hwang   +7 more
wiley   +1 more source

Characterization of an Injectable Poly(vinyl alcohol)‐gelatin Hydrogel for Growth Factor Delivery in an Orthopedic Application

open access: yesAdvanced Healthcare Materials, EarlyView.
This work introduces photo‐crosslinkable tyraminated poly(vinyl alcohol)‐gelatin (PVA‐GT) hydrogels as tunable injectable platforms for tissue engineering and growth factor delivery applications. This schematic illustrates the two developed hydrogel formulations and the experimental workflow used to evaluate their physico‐chemical properties in vitro ...
Alessia Longoni   +15 more
wiley   +1 more source

El día que el sol Desapareció.

open access: yesValentia Mediaevalis
Era un viernes caluroso en Montpellier, justo después del mediodía. Habíamos llegado la tarde anterior, tras un viaje en el que el cansancio no nos impidió admirar la riqueza y la belleza de la región. Me encontraba reunido con el conde de Tolosa y el conde de Provenza, dos hombres de gran prestigio, rodeados de cortesanos y caballeros.
openaire   +2 more sources

Vision Sidéreo system. [PDF]

open access: yes, 2015
Este proyecto tiene la finalidad de generar energía limpia mediante el sol, lo innovador de este proyecto es que el panel no estará estático, sino que el panel solar girara conforme gire el sol, esto para aprovechar a un 100% la energía solar y no solo a
Alanís Jáuregui, María de los Ángeles   +5 more
core  

Smart Face Masks as Wearable Respiratory Sensors: A Review of Sensor Technologies, Materials, and Future Directions

open access: yesAdvanced Healthcare Materials, EarlyView.
This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi   +7 more
wiley   +1 more source

Sistema Terra-Lluna-Sol: fases i eclipsis [PDF]

open access: yes, 2016
Es presenten alguns models sobre les fases de la Lluna i els eclipsis de Sol i de Lluna. També s'utilitzen els eclipsis per determinar distàncies i diàmetres en el sistema Terra-Lluna-Sol. Finalment es presenta una activitat senzilla
Rosa Maria Ros
core   +1 more source

Physicochemical Reinforcement Unlocks Sterilization‐Stable Anisotropic Hydrogels for Cell‐Compatible Mock Arteries

open access: yesAdvanced Healthcare Materials, EarlyView.
ABSTRACT In vitro arterial models offer ethical and robust alternatives for vascular research but require cytocompatible materials that replicate physiological mechanics. Poly(vinyl alcohol) (PVA) hydrogels produced by directional freezing and salting‐out (PVA DFSO) are anisotropic yet lack stability for cell culture. Herein, methacrylated PVA (PVA‐MA)
Javiera Sanhueza Ortega   +4 more
wiley   +1 more source

Uso de la relectancia como indicador no destructivo para predecir el daño por sol en manzanas cv. Granny Smith. [PDF]

open access: yes, 2015
57 p.La manzana (Malus domestica Borkh) Granny Smith es la tercera variedad más exportada en Chile, pero sus índices de descarte por diversos daños o desórdenes la hacen una variedad muy interesante de investigar, uno de estos daños se debe a la ...
León Gutiérrez, Lorenzo Francisco (Prof. Informante)   +2 more
core  

Water Permeates and Plasticizes Amorphous Carbon Dots: Unraveling the Inner Accessibility of the Nanoparticles by Glass Transition Studies

open access: yesAdvanced Materials, EarlyView.
The water permeability of amorphous carbon dots (CDs) is demonstrated by investigating their plasticization. Novel polyamide‐based and amorphous nanoparticles are synthesized by controlling their inner packing density. Water plasticization is evidenced by the decrease of the CDs glass transition temperature with increasing the hydration degree.
Elisa Sturabotti   +8 more
wiley   +1 more source

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