Results 71 to 80 of about 85,682 (320)

Supramolecular Host‐Guest Complexation Dynamics by Cost‐Efficient Electronic Structure Methods

open access: yesChemistry – A European Journal, EarlyView.
We present a cost‐effective multilevel workflow for the kinetic profiling of host–guest systems, illustrated with cucurbit[6]uril and alkylammonium cations. The method combines rapid docking and reaction path searches at the semi‐empirical level, with refinement of the results using modern density functional theory, accurately reproducing experiment ...
Thomas Gasevic   +6 more
wiley   +1 more source

La Hermandad en Galicia. 1490-1498

open access: yesCuadernos de Estudios Gallegos, 2005
Estudio y edición de las cuentas de la Hermandad en Galicia bajo los Reyes Católicos, conservadas en el Archivo General de Simancas. En el estudio preliminar se explica el significado de los conceptos del gasto, las formas de cobro, y el personal ...
Miguel Ángel Ladero Quesada
doaj   +1 more source

Notas pteridológicas de Galicia. III

open access: yesActa Botanica Malacitana, 1988
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Soñora, Francisco X., Ortiz, Santiago
openaire   +5 more sources

Construction of Phospholipid‐Like Vesicles by Aqueous Aminolysis of Acyl Thioesters With Diamino Acids

open access: yesChemistry – A European Journal, EarlyView.
Membrane‐forming phospholipids are produced in cells via enzymatic diacylation. Here, we show that direct aminolysis of acyl thioesters with diamino acids in aqueous environments enables the synthesis of diacylated amino acids (DAAAs), which spontaneously self‐assemble into robust phospholipid‐like vesicles across a broad range of pH and temperature ...
Federica A. Souto‐Trinei   +2 more
wiley   +1 more source

“Juntos en una casa debajo del poderío paternal”: la familia en la jurisdicción de San Clodio do Ribeiro de Avia a finales del siglo XVI

open access: yesCuadernos de Estudios Gallegos, 2011
La fisonomía de la familia gallega en el siglo XVIII es bien conocida gracias, en gran medida, al Catastro de Ensenada. Sin embargo, la escasez de fuentes comparables para los siglos precedentes mantiene en la penumbra la caracterización de los hogares ...
Frutos Fernández González   +1 more
doaj   +1 more source

The Electronic Spin State of Diradicals Obtained from the Nuclear Perspective: The Strange Case of Chichibabin Radicals

open access: yesChemPhysChem, Volume 26, Issue 6, March 15, 2025.
The electronic spin state of two Chichibabin radicals is investigated using 2‐dimensional hyperfine correlated Electron Nuclear Double Resonance. The protons (I=1/2) act as a reference for the electronic spin quantum number (S) via their hyperfine interactions.
Gabriel Moise   +7 more
wiley   +1 more source

Los celtas y la historia

open access: yesCuadernos de Estudios Gallegos, 2001
El objetivo de este trabajo es analizar el concepto de Historia en la investigación protohistórica gallega, poniéndolo en relación con la evolución del concepto celta. El marco cronológico de estudio abarca desde el s. XIX hasta el presente.
Beatriz Díaz Santana
doaj   +1 more source

Patterns and Drivers of Spanish Corporate Commitment to the UN Global Compact: A Quantitative Approach

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This paper presents a quantitative assessment of Spanish companies' commitment to the United Nations Global Compact (UNGC) and the Sustainable Development Goals (SDGs). Analyzing over 1000 participating firms, we identify prioritization patterns and examine structural factors influencing SDG adherence.
Juan Laborda, Juan Pérez
wiley   +1 more source

Artificial intelligence-based identification of key risk factors for long COVID from early clinical data

open access: yesJournal of Infection and Public Health
Introduction: Long COVID, a complex condition characterized by persistent symptoms following SARS-CoV-2 infection, has become a significant public health concern.
Jacobo Alonso-Domínguez   +9 more
doaj   +1 more source

Los petroglifos como forma de apropiación del espacio: algunos ejemplos gallegos

open access: yesTrabajos de Prehistoria, 1994
Se presentan los primeros resultados de un proyecto de investigación en curso de realización cuyo objetivo es estudiar los petroglifos gallegos desde la perspectiva de la Arqueología del Paisaje.
Richard Bradley   +2 more
doaj   +1 more source

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