Results 21 to 30 of about 2,036 (198)

Editorial

open access: yesPolítica y Estrategia, 2017
Cada día que pasa nos asombramos menos de los nuevos rumbos que está tomando la seguridad internacional, donde las llamadas amenazas no tradicionales copan la agenda de seguridad interna, como internacional, a través de sus diferentes manifestaciones,
Julio Soto Silva
doaj   +1 more source

Acute caffeine treatment protects the developing retina from ischemia‐induced cell death

open access: yesFEBS Open Bio, EarlyView.
Caffeine reduces cell death in the developing retina under ischemia (OGD). This effect does not involve BDNF upregulation or antioxidant pathways (NRF2/VEGF). Neuroprotection occurs mainly through adenosine A2A receptor antagonism, decreasing glutamate release and excitotoxicity, highlighting caffeine's potential as an acute neuroprotective agent in ...
Amanda Alves Nascimento   +6 more
wiley   +1 more source

Umberto Eco, un curioso universal [PDF]

open access: yes, 2018
Contributo al catalogo della Mostra Organizzata dal Museo Nacional de Ciencia y Tecnología di A Coruña, "Eco-logía, la ciencia en las novelas de Umberto Eco".
Helena Lozano Miralles
core  

Conocimiento científico y bioarte: Pulsión entre lo natural y lo artificial: Una escena del arte en México

open access: yesArte y Políticas de Identidad, 2014
El discurso ecológico, contrariamente a la posición marginal de años atrás, es actualmente punta de lanza del debate político y económico. Sus argumentos priorizan la sostenibilidad, la preservación y la recuperación del medio ambiente en ...
Inmaculada Abarca Martínez
doaj   +2 more sources

Aquaporin‐3 and aquaporin‐5 impact the development of pancreatic ductal adenocarcinoma spheroids

open access: yesFEBS Open Bio, EarlyView.
Schematic representation of the role of aquaporin‐3 (AQP3) and aquaporin‐5 (AQP5) in pancreatic ductal adenocarcinoma (PDAC). Both proteins are upregulated in PDAC and are associated with tumor progression and metastatic potential. Silencing AQP3 or AQP5 in PDAC spheroids results in decreased diameter, area, and overall growth, underscoring their key ...
Catarina Pimpão   +3 more
wiley   +1 more source

Intellectual property and technological innovation in Ecuador [PDF]

open access: yes, 2000
Estudio especial sobre la legislación de propiedad intelectual en el Ecuador, dentro del componente de fortalecimiento del Sistema Nacional de Ciencia y Tecnología (SNCT) y de la Fundación para la Ciencia y la Tecnología (FUNDACYT)1.- Entrevistas con
Moscoso Alvarez, Raúl
core  

Transcripts enriched in codons that trigger P‐site tRNA‐mediated mRNA decay possess stable mRNA

open access: yesFEBS Open Bio, EarlyView.
PTMD codons were first described by Mendel et al. as mediators of an mRNA decay pathway dependent on the human protein CNOT3, homologous to yeast Not5. Our findings confirm that PTMD codons destabilize transcripts; however, unlike in yeast, the human pathway specifically targets and slightly destabilizes primarily stable mRNAs.
Rodolfo Lopes Carneiro   +1 more
wiley   +1 more source

Bathymetric and hydrographic survey of the coastal waters of the Dominican Republic : final report [PDF]

open access: yes, 1978
This is the final report on a hydrographic and bathymetric survey of the coastal waters of the Dominican Republic. The bulk of the work is devoted to the bathymetry with respect to the suitability of coastal sites for Ocean Thermal Energy Conversion ...
Amos, Anthony F.
core   +2 more sources

Ciencia, Tecnología e Innovación, factor estratégico en las Fuerzas Armadas del futuro [PDF]

open access: yes, 2008
La investigación, el desarrollo tecnológico y la innovación han sido el eje que ha permitido la evolución de los pueblos a través de la historia.
Ricardo Ariza Urango
core   +3 more sources

Potentiometric C2H4-Selective Detection on Solid-State Sensors Activated with Bifunctional Catalytic Nanoparticles

open access: yesChemosensors, 2021
This work presents a solid-state ionic-based device to selectively detect C2H4 in car exhaust gases. The sensor consists of 8YSZ as the electrolyte and two electrodes: Fe0.7Cr1.3O3/8YSZ and LSM/8YSZ. The main aim of this work is to optimize the catalytic
Fidel Toldra-Reig, Jose Manuel Serra
doaj   +1 more source

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