Results 21 to 30 of about 725,659 (225)

The Popular Economy and Its Critics: Cooperation and Contradiction in the Sandinista Welfare‐Developmentalist State

open access: yesAntipode, Volume 58, Issue 2, March 2026.
ABSTRACT The popular economy is a subjective economic community in Nicaragua. It is sustained by the imaginative and material labors of worker‐producers organized in households, cooperatives, and other self‐managing associations. This article demonstrates the popular economy's importance to the format of work, wealth, and welfare in contemporary ...
Jonah Walters
wiley   +1 more source

Socialismo del Siglo XXI

open access: yesEconomía y Negocios, 2010
Como tendencia, el socialismo del siglo XXI hizo su aparición a finales del siglo pasado, como una reformulación de la teoría marxista que incorpora elementos de los nuevos modelos económicos actuales, una concepción que se ha difundido con fuerza en varios países de América Latina, con Venezuela a la cabeza del proceso.
openaire   +4 more sources

Conflicto armado en Colombia [PDF]

open access: yes, 2018
51 p.En este capítulo se aborda el conflicto desde tres escenarios: i) la consolidación de la Nación y la identidad colombiana, situación que originó multiplicidad de guerras civiles en el siglo XIX; ii) la violencia partidista del siglo XX, y iii) el ...
Bernal-Castro, Carlos Andrés   +1 more
core  

Survival, rarity, and extinction in tropical stony corals

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Many reef‐building tropical corals are becoming rare. We considered the meaning of rarity in corals and highlighted taxa that have reached low abundances in the last few decades. The difficulties of quantifying rarity in the marine environment arise from the sheer scale and 3‐dimensional nature of the biome and the inherent challenges therein ...
Bryan Wilson, Peter J. Edmunds
wiley   +1 more source

Algunos retos de la Justicia Constitucional (Tribunal Constitucional) en la España del siglo XXI [PDF]

open access: yes, 2015
Algunos retos de la Justicia Constitucional (Tribunal Constitucional) en la España del siglo XXI. Introducción 1.-) Ejercer de contrapoder democrático (de la mayoría) en la sociedad del Siglo XXI. 2.-) Ejercer de garante de los derechos fundamentales
Sarrión Esteve, Joaquín
core  

Chloride Sensor Based on Silver Nanoparticles Coupled with a Fast‐Response MOSFET System

open access: yesAdvanced Sensor Research, Volume 5, Issue 1, January 2026.
A potentiometric sensor based on a MOSFET device (Metal‐Oxide‐Semiconductor Field‐Effect Transistor) and silver nanoparticles (AgNPs) was developed for chloride quantification, offering increased signals, fast response, and efficient data processing, which can be used for monitoring and diagnosis.
Ricardo Antonio Escalona‐Villalpando   +9 more
wiley   +1 more source

Esbozo de la astronomía en El Salvador: de la contemplación a la promesa científica [PDF]

open access: yes, 2009
Época antigua. De la colonia al siglo XIX. Siglo XX, del desatino a la guerra. Del Halley al Eclipse de 1991.
Colorado, Jorge Arturo
core  

The Nuclear Receptor Nurr1 Modulates the Expression and Activity of PPARγ in Human Pro‐Inflammatory Macrophages

open access: yesScandinavian Journal of Immunology, Volume 102, Issue 5, November 2025.
Nurr1 activation in human primary macrophages induced the increment of PPARγ expression through protein stabilisation and reduction of the proportion of PPARγ phosphorylated at Ser84, a repressive mark for PPARγ transcriptional activity. The Nurr1 agonist C‐DIM12 enhanced the rosiglitazone‐induced expression of PPARγ‐responsive genes. ABSTRACT Nurr1 is
Eduardo Santana‐Cisneros   +7 more
wiley   +1 more source

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