Results 121 to 130 of about 103,061 (300)

A distribuição de gás natural canalizado [PDF]

open access: yes, 2012
TCC (Graduação) - Universidade Federal de Santa Catarina. Centro Socioeconômico. Curso de Graduação em Ciências Econômicas.O presente trabalho busca analisar a importância da regulação na etapa de distribuição de gás natural (GN) canalizado, e ...
Silvestre, João Henrique Ise
core  

El sentido antidemocrático del Menexeno de Platón

open access: yesIdeas y Valores, 1986
Información no ...
Ángel J. Cappelletti
doaj  

Long‐term hippocampal alterations and cognitive impairment in a murine model of surgical sepsis

open access: yesFEBS Open Bio, EarlyView.
Using a mouse model of surgical sepsis, we tested long‐term memory and analyzed the transcriptome of single cells isolated from the hippocampus. Survivor mice showed worse memory, loss of certain brain cell subpopulations, and abnormal immune cell activity—suggesting that post‐sepsis brain alterations may be linked to cognitive deficits.
Dong Seong Cho   +4 more
wiley   +1 more source

Programa municipal de prevención y gestión integral de residuos sólidos urbanos del Municipio de Parral, Estado de Chihuahua

open access: yes, 2012
Chihuahua al igual que otros Estados fronterizos del norte de la República, ha presentado desde hace algunas décadas un crecimiento poblacional importante, impulsado entre otras cosas por el movimiento migratorio que llega de todas partes de la república
Gobierno del Estado de Chihuahua
core  

Análisis de la fase de caracterización y diagnóstico del subsistema natural de los ordenamientos ecológicos estatales del Estado de México e Hidalgo. [PDF]

open access: yes, 2012
Con base en el Ordenamiento Ecológico General del Territorio (OEGT), cuya metodología se presenta en la Memoria Técnica (1995-2000), el presente trabajo revisa las fases caracterización y diagnóstico para el subsistema natural mediante un análisis ...
Adame Martínez, Salvador   +3 more
core  

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

Pharmacological inhibition of the PERK pathway modulates hepatocellular carcinoma growth and immune signaling

open access: yesFEBS Open Bio, EarlyView.
Pharmacological inhibition of PERK in a DEN‐induced mouse model of liver cancer does not reduce tumor burden but alters cellular stress signaling. Despite blocking PERK activity, downstream stress responses, including CHOP expression, remain active, suggesting compensatory mechanisms within the unfolded protein response that may influence tumor ...
Ada Lerma‐Clavero   +5 more
wiley   +1 more source

Estado empresario vs. Estado regulador: Análisis del monopolio natural del servicio de agua potable en la ciudad de Guayaquil

open access: yes, 2013
En el presente trabajo de graduación se realiza un análisis delos diferentes mecanismos de participación del Estado en la producción y administración de servicios de utilidad pública, específicamente del servicio de agua potable en la ciudad de ...
Matamoros García, David Andres   +2 more
core  

Early‐life high‐fat diet exposure increases Achilles tendon stiffness and induces transcriptomic alterations

open access: yesFEBS Open Bio, EarlyView.
Early‐life exposure to a high‐fat diet altered intact Achilles tendons in rat offspring, making them thinner, stiffer, and molecularly distinct even without injury. These findings suggest that developmental high‐fat diet exposure may impair tendon quality and increase susceptibility to mechanical overload or tendon injury later in life.
Heyong Yin   +3 more
wiley   +1 more source

Estado e direito natural em Santo Agostinho

open access: yes, 2000
Para o pensamento ético-político de Santo Agostinho a origem do Estado é natural, não é resultado do pecado humano nem tampouco consequência de um determinismo cego.
Bezerra, Zeneide Nunes
core  

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