Results 51 to 60 of about 1,437,539 (181)

Clean Synthesis of N‐4‐Alkylamino‐7‐chloroquinoline Cyclic Imides: Influence of Lipophilicity on Antibacterial and Ecotoxicological Properties

open access: yesChemistry &Biodiversity, Volume 23, Issue 9, September 2026.
For series 2a–d, there appears to be optimal activity against Klebsiella pneumoniae when lipophilicity is intermediate (log P 2.64 for 2b). Similarly, for series 2e–g, activity against Pseudomonas aeruginosa, Staphylococcus aureus and Streptococcus mutans also increases (log P 3.71 for 2f).
Agenor P. Luz‐Filho   +9 more
wiley   +1 more source

¿Qué fue de la hegemonía desarrollista? Tiempos de transición y nuevas posiciones al interior del bloque de poder en la Argentina

open access: yesCuadernos de Economía Crítica, 2018
En este artículo elaboramos algunos puntos de análisis sobre la articulación económico-política de los diferentes sectores de la clase dominante en el marco del desgaste de la hegemonía que dio lugar a la estabilización de un nuevo modo de desarrollo ...
Emiliano López
doaj   +2 more sources

Geopolítica del Regionalismo en América Latina: Crisis Global y Nuevos Modelos de Orden

open access: yesPolítica Internacional
Actualmente, el orden global atraviesa una crisis orgánica que ha llevado a América Latina y Sudamérica hacia una reconfiguración geopolítica. Este artículo examina cómo los factores estructurales globales y los cambios en los modelos de orden han ...
Jordano Sebastián Cilio Mejía
doaj   +1 more source

Veratric Acid and the Cytotoxic Activity of Handroanthus impetiginosus Inner Bark Extract: No Association

open access: yesChemistry &Biodiversity, Volume 23, Issue 9, September 2026.
Physicochemical characterization, phytochemical profiling, and in vitro cytotoxicity assessment of Handroanthus impetiginosus inner bark extract show that veratric acid, despite being readily identified by HPLC‐DAD, does not account for the observed cytotoxicity.
Gabriela Alberto Gil   +6 more
wiley   +1 more source

Análisis de coyuntura y crisis orgánica [PDF]

open access: yes, 2018
Brasil se encuentra en una crisis orgánica en términos gramscianos, una crisis profunda, económica, política y social que va mucho más allá de una crisis coyuntural. El 24 de mayo se realizaron en Brasilia históricas movilizaciones contra las reformas de
Araujo Wanderley, Shimenny Ludmilla   +1 more
core   +1 more source

Bruno Zevi en la España de 1950: una Storia dell’architettura cargada de futuro

open access: yesZarch, 2018
En diciembre de 1950 el arquitecto italiano Bruno Zevi publica la primera edición del libro “Storia de l’architettura moderna”, una obra escrita a continuación, y en buena medida en contra, de las otras “historias” de la arquitectura moderna aparecidas ...
Julio Garnica González-Bárcena
doaj   +1 more source

Tuning Fluorescence and Singlet Oxygen Generation in Heavy‐Atom‐Free BODIPYs Through Charge‐Transfer State Modulation

open access: yesChemistryEurope, Volume 4, Issue 9, September 2026.
Heavy‐atom‐free donor–acceptor BODIPYs reveal how boron substitution, core alkylation, and solvent polarity reshape the balance between locally excited and charge–transfer states. Singlet oxygen yields reach 75% when the charge–transfer state is accessible yet remains energetically close to the triplet manifold, establishing a practical design ...
Larissa Maierhofer   +12 more
wiley   +1 more source

Isostructural Analysis in Proposed Crystallization Mechanisms at the Molecular Level of Methyl 4‐bromobenzoate and Methyl 4‐iodobenzoate

open access: yesHelvetica Chimica Acta, Volume 109, Issue 9, September 2026.
Proposed molecular‐level crystallization mechanisms for halogenated aryl esters were developed based on theoretical energetic and topological data regarding intermolecular and supramolecular interactions. Energetic analysis was used to determine the hierarchy of interactions guiding supramolecular structure growth along the three axes, as well as to ...
Patrick Teixeira Campos   +2 more
wiley   +1 more source

Unveiling the Bioactive Potential: Antiproliferative, Antimicrobial, and Antioxidant Properties of Polar Extracts From Six Ecuadorian Medicinal Flora

open access: yesNew Zealand Journal of Botany, Volume 64, Issue 3, September 2026.
This study validates the therapeutic potential of six Ecuadorian plants used by the Saraguro community. Key findings reveal significant antiproliferative activity in Schinus molle and Lepidium chichicara polar extracts, providing a scientific foundation for their traditional use as natural anticancer and antimicrobial agents.
María I. Ramírez   +3 more
wiley   +1 more source

Financial Crisis Inquiry Commission

open access: yes, 2011
This website contains the research and final report for the Financial Crisis Inquiry Commission looking at the causes of the economic ...
United States. Financial Crisis Inquiry Commission.
core  

Home - About - Disclaimer - Privacy