Results 91 to 100 of about 1,073,593 (298)

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

open access: yesAdvanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal   +10 more
wiley   +1 more source

Refletindo sobre o cuidar e o ensinar na enfermagem Reflexionando sobre el cuidar y el enseñar en enfermería Reflecting on nursing care and teaching

open access: yesRevista Latino-Americana de Enfermagem, 2001
Trata-se de uma reflexão sobre o cuidar e o ensinar em Enfermagem com base em experiências acadêmicas e profissionais nas áreas de pesquisa, ensino e extensão. Tem como objetivo contribuir para as discussões sobre a importância do estudante de enfermagem
Alessandra Conceição Leite Funchal Camacho   +1 more
doaj   +1 more source

Medios/seguridad/inseguridad: pistas para la reflexión [PDF]

open access: yes, 2011
¿Cómo se construye la seguridad en los medios de comunicación? ¿Cómo pensar comunicativamente el asunto de la seguridad humana? Las preguntas con que se convoca este encuentro nos indican dos supuestos que comparto: los medios masivos intervienen en la ...
Mata, María Cristina
core  

DNA‐Templated 2D Heterostructures as Phototriggered Dynamic Nanohybrids: From Releasing Molecular Loads to Controlling Enzyme Biocatalytic Function

open access: yesAdvanced Functional Materials, EarlyView.
DNA strands are employed both as dynamic linkers and nanoscale templates for the integration of Ag2S nanoparticles on MoS2, which in turn imparted photothermal responsiveness; this feature permits the selective cargo (fluorophore, quantum dots or an enzyme) release from the MoS2 surface in response to local heat induced by light irradiation.
Kai Chen   +3 more
wiley   +1 more source

Mom, I don’t Want to go to School!

open access: yesRevista Electrónica Educare, 2012
This paper approaches the current reality of the Costa Rican secondary education system (7th to 11th grades). It brings up some weaknesses of the teaching-learning process in order to analyze the direction intended for the Costa Rican education.
Luis Emilio Paniagua-Calvo
doaj  

Hacia la Reflexión Acción en la Práctica Pedagógica una Mirada en Tiempos de Globalización(es).

open access: yesEstudios Latinoamericanos, 2013
La Propuesta Investigativa de la Universidad del Tolima se visiona a partir del estudio profundo del Taller de Diseño del Programa de Arquitectura, en un análisis que estudiará el influyente fenómeno de la Globalización, sembrado en el Sistema Educativo ...
María Victoria León Grimaldos
doaj   +1 more source

"Reflexión No 1" de Mario Ruiz Armengol [PDF]

open access: yes, 2018
Trabalho de Conclusão de Curso apresentado ao Instituto Latino-Americano de Arte, Cultura e História da Universidade Federal da Integração Latino-Americana, como requisito parcial à obtenção do título de Bacharel em Música. Orientação: Prof. Dr.
Canhete, Ligia Emanuely
core  

Temperature‐Modulated Threshold Response in a Volatile Memristor: Toward a Biomimetic Polymodal Nociceptive System

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrates an artificial polymodal nociceptor whose firing threshold is actively modulated by temperature. A volatile TiN/TiOx/ZnO/TiOx/ITO memristor shows interfacial ion–driven resistive switching and membrane‐potential‐like dynamics, enabling temperature‐dependent nociceptive behavior.
Chanmin Hwang   +3 more
wiley   +1 more source

Adaptive Hydrogels With Spatiotemporal Stiffening Using pH‐Modulating Enzymes

open access: yesAdvanced Functional Materials, EarlyView.
The chemomechanical coupling in an adaptive hydrogel is studied to further the development of adaptive hydrogels. This coupling is achieved by embedding a pH‐modulating enzyme in a pH‐responsive hydrogel. The enzymatic reaction can be triggered locally, which generates a pH‐decreasing wave throughout the system, increasing the crosslinking density and ...
Natascha Gray   +3 more
wiley   +1 more source

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