UHPLC-MS Phenolic Fingerprinting, Aorta Endothelium Relaxation Effect, Antioxidant, and Enzyme Inhibition Activities of <i>Azara dentata Ruiz & Pav</i> Berries by Lucia Cuesta Ramos, Javier Palacios, Ruth E. Barrientos, Jessica Gómez, Juan Manuel Castagnini, Francisco J. Barba, Alejandro Tapia, Adrián Paredes, Fredi Cifuentes, Mario J. Simirgiotis

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Editorial: Rising stars in exercise physiology by David C. Andrade, Luca P. Ardigò, Céline Aguer, Céline Aguer, Céline Aguer, Anthony S. Leicht, Anthony S. Leicht

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Retention of students ahead of the change from virtual to face to face classes: Case study from the commercial engineering department by Ninfa Willans, Cristina Galvan Fernandez

“…To answer this question, we present the results taken from these innovations applied to a Commercial Engineering course at Universidad de Antofagasta. Considering an universe of 251 students in a 4-year time horizon (2018-2021). …”
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A Symmetric/Asymmetric Bimodal Extension Based on the Logistic Distribution: Properties, Simulation and Applications by Isaac E. Cortés, Osvaldo Venegas, Héctor W. Gómez

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Extended Exponential Regression Model: Diagnostics and Application to Mineral Data by Yolanda M. Gómez, Diego I. Gallardo, Jeremias Leão, Héctor W. Gómez

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Crystal structure of 4-chloro-2-methyl-6-(4-(trifluoromethoxy)phenyl)pyrimidine, C12H8ClF3N2O by Bertrand Jean-Luc, Salas Cristian O., Brito Iván

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Editorial: Volcanism in the Central Volcanic Zone of the Andes by Felipe Aguilera, Felipe Aguilera, Pablo Grosse, Pablo Grosse, Silvina Guzmán, Silvina Guzmán, Gary Michelfelder, Marco Taussi

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First Description of Invertebrate Benthic Fauna in the Middle Zone of the Loa River (Chile) by P. De los Rios-Escalante, R. Wilson, J. Norambuena, C. Esse

“…The aim of the present study was to apply null models to explain the structure of aquatic insects in the middle zone of the Loa River, in the Atacama Desert (Antofagasta Region, Chile; 23°S). The results of the null models of species co-occurrence showed that species associations are random, while niche sharing showed that species share ecological niches and consequently there is interspecific competition. …”
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On the <i>A_α</i>-Eigenvalues of Signed Graphs by Germain Pastén, Oscar Rojo, Luis Medina

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An Early Disturbance in Serotonergic Neurotransmission Contributes to the Onset of Parkinsonian Phenotypes in <i>Drosophila melanogaster</i> by Rafaella V. Zárate, Sergio Hidalgo, Nicole Navarro, Daniela Molina-Mateo, Duxan Arancibia, Francisca Rojo-Cortés, Carlos Oliva, María Estela Andrés, Pedro Zamorano, Jorge M. Campusano

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Enhancing latent heat storage systems: The impact of PCM volumetric ratios on energy storage rates with auxiliary fluid assistance by Seyed Ali Abtahi Mehrjardi, Alireza Khademi, Zafar Said, Svetlana Ushak, Ali J. Chamkha

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Pretreatment to Leaching for a Primary Copper Sulphide Ore in Chloride Media by Víctor Quezada, Antoni Roca, Oscar Benavente, Montserrat Cruells, Evelyn Melo, María Hernández

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Analysis of clinical indicators of teledentistry management for the elderly population during the covid-19 pandemic in chile by Patricio Ly, Alfredo von Marttens, Andrés Ly, Juan Fonseca, Víctor Beltrán

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The Enhancement of Enargite Dissolution by Sodium Hypochlorite in Ammoniacal Solutions by Lilian Velásquez-Yévenes, Hans Álvarez, Víctor Quezada, Antonio García

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Experimental assessment of energy storage in microencapsulated paraffin PCM Cement mortars by Vicente Zetola Vargas, Luis J. Claros-Marfil, Gersson F.B. Sandoval, Boris Heredia Rojas, Alfonso García Santos, Fco. Javier Neila González

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Leaching Chalcocite in Chloride Media—A Review by Norman Toro, Carlos Moraga, David Torres, Manuel Saldaña, Kevin Pérez, Edelmira Gálvez

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Analysis of the Dynamics of Rougher Cells on the Basis of Phenomenological Models and Discrete Event Simulation Framework by Manuel Saldaña, Purísima Neira, Víctor Flores, Carlos Moraga, Pedro Robles, Iván Salazar

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Flexible Birnbaum–Saunders Distribution by Guillermo Martínez-Flórez, Inmaculada Barranco-Chamorro, Heleno Bolfarine, Héctor W. Gómez

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Flexible Power-Normal Models with Applications by Guillermo Martínez-Flórez, Diego I. Gallardo, Osvaldo Venegas, Heleno Bolfarine, Héctor W. Gómez

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Spherically symmetric distributions with an invariant and vanishing complexity factor by means of the extended geometric deformation by P. León, C. Las Heras

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