Results 41 to 50 of about 229,857 (262)

A thermoplastic microfluidic platform with integrated electrospun scaffolds for assessing brain cell‐specific drug selectivity

open access: yesVIEW, EarlyView.
Schematic representation of the microfluidic platform with its advantages. Abstract A major challenge in pharmacology is the limited selectivity of therapeutic compounds toward specific tissues or cells. Drugs often distribute systemically before reaching the intended site of action, affecting nontarget cells and potentially reducing efficacy or ...
Maria Testa   +8 more
wiley   +1 more source

Ecosistemas

open access: yesBoletín Científico de la Escuela Superior Atotonilco de Tula, 2015
El mapa conceptual presentado en este documento es referente a los ecosistemas, su composición y clasificación. Un ecosistema establece las interacciones entre diferentes especies de seres vivos que habitan en la Biosfera, tales como: hongos, plantas, bacterias, protozoarios, algas y animales con todos aquellos factores inertes (químicos y físicos) que
openaire   +2 more sources

Ecosistemas criminales

open access: yesRevista Científica General José María Córdova, 2018
El crimen organizado transnacional es quizás una de las amenazas que más retos genera a la institucionalidad de los gobiernos. Por lo tanto, entender el funcionamiento de las dinámicas de poder entre los actores al margen de la ley y la población de ciertos sectores urbanos y rurales representa uno de los intereses más importantes en materia de ...
Carlos Andrés Rodríguez Beltrán   +1 more
openaire   +3 more sources

A viral system to optimise the daily drayage problem [PDF]

open access: yes, 2015
The intermodal transport chain can become more efficient by means of a good organisation of the drayage movements. Drayage in intermodal container terminals involves the pick up or delivery of containers at customer locations, and the main objective is ...
Aparicio Ruiz, Pablo   +3 more
core   +1 more source

Scaling from microsite to landscape to resolve litter decomposition dynamics in globally extensive drylands

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Decomposition is the transformation of dead organic matter into its inorganic constituents. In most biomes, decomposition rates can be accurately predicted with simple mathematical models, but these models have long under‐predicted decomposition in globally extensive ...
Heather L. Throop   +8 more
wiley   +1 more source

La Comisión Nacional de Educación (CNE) y su aporte al ecosistema de emprendimiento en Nicaragua

open access: yesRevista Científica de FAREM-Estelí, 2022
En Nicaragua a partir del 2007, se da la ruptura con el modelo neoliberal, que implicaba la ausencia de políticas y lineamientos enfocados en el apoyo a las MiPymes.
Vania Lorena Solís Montoya   +1 more
doaj   +1 more source

Valoración económica para la conservación del humedal “El Samán” en el municipio de Cartago, Valle del Cauca [PDF]

open access: yes, 2016
El Parque ecológico de la Salud, ubicado en el municipio de Cartago, Valle del Cauca, representa un ecosistema estratégico de treinta mil metros cuadrados (30.000m2) en área de protección, constituido por un espejo lagunar –humedal “El Samán”–, formado ...
Lopera Guerrero, Jessica   +1 more
core  

Hummingbird interaction niche packing is influenced by species richness and resource availability in the southern tropical Andes

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Niche partitioning is often considered an important mechanism promoting species co‐occurrence in species‐rich communities. As species richness increases, niche partitioning may lead to different niche structures, including increased packing of species niches when the ...
Bryan G. Rojas   +3 more
wiley   +1 more source

Análisis de los patrones de distribución espacial de las poblaciones de agaves invasoras en la llanura costera eólica del parque natural de Cabo de Gata-Níjar [PDF]

open access: yes, 2013
A finales de los años 50, dos especies de Agave, el sisal (A. sisalana) y el henequén (A. fourcroydes) fueron introducidas en el ecosistema de la llanura costera eólica del Parque Natural de Cabo de Gata-Níjar para su uso textil.
Torres García, María Trinidad
core   +1 more source

Forest type and leaf habit mediate thermal and drought tolerance across a tropical elevational gradient

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Understanding how local climate patterns select for thermal and drought tolerance traits is needed to predict differential responses to climate change across complex ecosystems.
Caitlin N. Terry   +5 more
wiley   +1 more source

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