Buscador de Tesis y publicaciones académicas

Artículo 2026 Acceso abierto Revisado por pares

Structure, Stability, and Initial Transformation of Clusters (NiO2)n: A DFT Study Targeting Oxygen-Rich Intermediates in Nit-Kel-Oxygen Systems

Joaquín Hernández-Fernández · Rafael González-Cuello · Rodrigo Ortega-Toro

The structure, relative stability, spin-state preference, and preliminary oxygen-release behavior of small nickel–oxygen clusters, (NiO2)n (n = 1–4), were investigated using density functional theory at the M06-2X/def2-TZVP level of theory. Several initial topologies and spin multiplicities were explored to distinguish...

O2 release nickel–oxygen clusters dioxo-like species oxygen-rich intermediates

• MDPI AG
• English
• DOI: 10.3390/chemistry8070087

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Artículo 2026 Acceso abierto Revisado por pares

Effects of Resisted Versus Non-Resisted Sprint Training on Countermovement Jump and Sprint Force–Velocity Profile in Youth Footballers: A Randomised Controlled Trial

Tomas Ulloa-Guerrero · Juan S. Ruiz · Renato Rodríguez · Rafael Tadeo-Herazo · y 4 más

Background: In youth football, sprint performance depends on the capacity to produce and orient force horizontally during acceleration. Resisted sprinting may preferentially target the force end of the sprint force–velocity profile, whereas free sprinting may favour velocity-oriented adaptations. Purpose: To compare th...

youth football resisted sprinting force–velocity profile maximal velocity

• MDPI AG
• English
• DOI: 10.3390/sports14070258

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Other 2026 Acceso abierto

FIGURES 33–35 in Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications for conservation and invasion biology

Williams, Jason L. · Puckett, Corbin · Herrera, Henri W. · Fiorentino, Gianpiero · y 4 más

Published as part of Williams, Jason L., Puckett, Corbin, Herrera, Henri W., Fiorentino, Gianpiero, Tocora-Protz, María Camila, Fernández, Fernando, Dekoninck, Wouter & Lucky, Andrea, 2026, Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications...

biological sciences Nylanderia Insecta Arthropoda

• Zenodo
• DOI: 10.5281/zenodo.21146882

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Other 2026 Acceso abierto

FIGURES 36–41 in Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications for conservation and invasion biology

Williams, Jason L. · Puckett, Corbin · Herrera, Henri W. · Fiorentino, Gianpiero · y 4 más

Published as part of Williams, Jason L., Puckett, Corbin, Herrera, Henri W., Fiorentino, Gianpiero, Tocora-Protz, María Camila, Fernández, Fernando, Dekoninck, Wouter & Lucky, Andrea, 2026, Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications...

biological sciences Nylanderia Insecta Arthropoda

• Zenodo
• DOI: 10.5281/zenodo.21146885

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Publication 2026 Acceso abierto

Nylanderia coveri LaPolla & Kallal 2019

Williams, Jason L. · Puckett, Corbin · Herrera, Henri W. · Fiorentino, Gianpiero · y 4 más

Published as part of Williams, Jason L., Puckett, Corbin, Herrera, Henri W., Fiorentino, Gianpiero, Tocora-Protz, María Camila, Fernández, Fernando, Dekoninck, Wouter & Lucky, Andrea, 2026, Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications...

biological sciences Nylanderia Insecta Arthropoda

• Zenodo
• DOI: 10.5281/zenodo.21148906

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Other 2026 Acceso abierto

Instrumento libre asociación

Pulido-López, Paulo César · García-Vinuesa, Antonio

Este documento contiene un instrumento basado en la técnica de Asociación Libre, diseñado para investigar las representaciones sociales de estudiantes de educación secundaria sobre un concepto o un estímulo determinado. El instrumento solicita a los participantes que escriban las cinco primeras palabras que les vienen...

sociology social sciences

• Zenodo
• DOI: 10.5281/zenodo.20811929

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Other 2026 Acceso abierto

FIGURE 58 in Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications for conservation and invasion biology

Williams, Jason L. · Puckett, Corbin · Herrera, Henri W. · Fiorentino, Gianpiero · y 4 más

Published as part of Williams, Jason L., Puckett, Corbin, Herrera, Henri W., Fiorentino, Gianpiero, Tocora-Protz, María Camila, Fernández, Fernando, Dekoninck, Wouter & Lucky, Andrea, 2026, Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications...

biological sciences Nylanderia Insecta Arthropoda

• Zenodo
• DOI: 10.5281/zenodo.21146896

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Artículo 2026 Acceso abierto Revisado por pares

Analyzing the Role of Circular Services in Revenue Generation in the Construction Industry: Evidence from Colombia

Jose Alejandro Cano · Emiro Antonio Campo · Abraham Londoño-Pineda · Juan Camilo Cardona Montoya · y 2 más

This study examines the role of circular services in generating economic value within the construction sector, focusing on firms belonging to the Sustainable Habitat Cluster in the Aburrá Valley, Colombia. The research analyzes how circular business model strengthening translates into economic outcomes through the impl...

economics and business social sciences circular economy circular services

• MDPI AG
• English
• DOI: 10.3390/urbansci10070344

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Artículo 2026 Acceso abierto Revisado por pares

Venue-Driven Informational Leadership in a Small Emerging Market: Spillover Networks and Regime-Dependent Information Transmission in the Colombian Stock Exchange (2015–2024)

Alejandro Pérez-y-Soto-Domínguez · Juan Manuel Candelo-Viáfara · María Del Pilar Rivera-Díaz

This paper studies the informational hierarchy of individual stocks in the Colombian Stock Exchange (BVC), with particular attention to the role of cross-listed securities. The paper addresses a gap in the literature on small emerging markets, where evidence on intra-market information and return transmission remains s...

Diebold–Yilmaz directional connectedness informational leadership economics and business

• MDPI AG
• English
• DOI: 10.3390/jrfm19070455

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Other 2026 Acceso abierto

FIGURES 42–49 in Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications for conservation and invasion biology

Williams, Jason L. · Puckett, Corbin · Herrera, Henri W. · Fiorentino, Gianpiero · y 4 más

Published as part of Williams, Jason L., Puckett, Corbin, Herrera, Henri W., Fiorentino, Gianpiero, Tocora-Protz, María Camila, Fernández, Fernando, Dekoninck, Wouter & Lucky, Andrea, 2026, Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications...

biological sciences Nylanderia Insecta Arthropoda

• Zenodo
• DOI: 10.5281/zenodo.21146890

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