Investigación y Desarrollo: Envíos recientes
Mostrando ítems 1401-1420 de 5724
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Article
Attitudes and perceptions of the population of Havana about COVID-19 (2022)
(Editorial Ciencias Medicas, 2021-12)Introduction: Any strategy designed to increase the perception of risk involves processes of change or modification of the underlying attitudes. Objective: To explore the attitudes and perceptions of the population of ... -
Article
Impact of the Sustainable Development Goals on the academic research agenda. A scientometric analysis (2022)
(Public Library of Science, 2022-03)Today, global challenges such as poverty, inequality, and sustainability are at the core of the academic debate. This centrality has only increased since the transition from the Millennium Development Goals (MDGs) to the ... -
Article
Microwave-assisted maceration and stems addition in Bonarda grapes: Effects on wine chemical composition over two vintages (2022)
(Elsevier Ltd, 2022-06)Bonarda, the second red grape variety in Argentina, produces high yields per hectare generating, in several cases, low quality wines. Microwave-assisted extraction (MW) is a novel extraction technique for winemaking, widely ... -
Article
Combined effects of the vessel type and bottle closure during Chilean Sauvignon Blanc wine storage over its volatile profile (2022)
(Elsevier Ltd, 2022-06)A Sauvignon Blanc wine was subjected to a maturation period of six months by using four different types of vessels in triplicate: cylindrical stainless steel tanks, oval-shaped polyethylene tanks, cubic-shaped polyethylene ... -
Article
The effect of enterprise risk management competencies on students’ perceptions of their work readiness (2022)
(Elsevier Ltd, 2022-07)Organizations have been currently adopting Enterprise risk management (ERM), an approach in which risks are managed holistically. ERM-related competencies are mandatory to develop a career as an accountant, however, it ... -
Article
Construction of an etiology of rape through the discourses of legal medicine and chilean criminology (1900-1950) (2022)
(Universidad de Concepcion, 2021)In this article we address the construction of an etiology of rape, from the field of Legal Medicine and Criminology, during the first half of the 20th centuryin Chile. We hypothesize that in the aforementioned process a ... -
Article
Empathic diagnosis among medical students in the Dominican Republic: declination and gender (2022)
(Circulo Medico de Rosario, 2021-05)Introduction: Empathic decline is characterized by a decrease in the levels of empathy. Objective: To diagnose empathic behavior in students of the Pedro Henríquez Ureña National University School of Medicine, Santo Domingo, ... -
Article
Validation of the Digital Teaching Competence Questionnaire in Chilean University Teachers (2022)
(Universidad Nacional, 2022-01)Objective. Nowadays, university teachers must develop competencies to offer quality education, including digital competence. This study aimed to validate the "Teaching Digital Competence Questionnaire" in the scale of use ... -
Article
Chilean English as a Foreign Language Teacher Educators’ Conceptions and Practices of Online Assessment (2022)
(SAGE Publications Ltd, 2022)As a result of the COVID-19 pandemic, online assessment has become pivotal to allow evaluation of the knowledge and competences of teachers-to-be. In this context, this study explored language teacher educators’ conceptions ... -
Article
Engaging with social media in a context of fragmentation and change: Chilean unions' use of the Internet and social media (2022)
(Emerald Group Holdings Ltd., 2022)Purpose: This paper explores the ways in which a range of company-level trade unions based in Chile's food manufacturing industry engage with Internet technologies and social media. Design/methodology/approach: The research ... -
Article
Barcelona is not Silicon Valley: a critical approach to the “helixes of innovation” model (2022)
(Universitat Autonoma de Barcelona, 2022)We argue that in Barcelona there is a multiplicity of innovative projects and experiences that go beyond Henry Etzkowitz and Loet Leydesdorff's (2000) "triple helix" model of innovation. The research results point to the ... -
Article
Synthesis and Theoretical Study of New Guanylated Cyclophosphazenes and Their Use in the CO2 Fixation into Styrene Carbonate (2022)
(Springer, 2022)Three new guanylated cyclophosphazenes G1–G3 have been synthesized through the catalytic guanylation of three different bi, tetra and hexa (p-aminophenoxy)-cyclophosphazenes by using N,N’-diisopropylcarbodiimide as guanylating ... -
Article
An Evolutionary Approach on the Framework of Circular Economy Applied to Agriculture (2022)
(MDPI, 2022-03)In this current and global context led by scarcity of resources, environmental degradation, global climate change, and a progressive demand for food, the circular economy (CE) represents a key economic model or framework ... -
Article
Activation of the Nrf2 Pathway Prevents Mitochondrial Dysfunction Induced by Caspase-3 Cleaved Tau: Implications for Alzheimer’s Disease (2022)
(MDPI, 2022-03)Alzheimer’s disease (AD) is characterized by memory and cognitive impairment, accom-panied by the accumulation of extracellular deposits of amyloid β-peptide (Aβ) and the presence of neurofibrillary tangles (NFTs) composed ... -
Article
Biodegradable gelatin-based films with nisin and EDTA that inhibit Escherichia coli (2022)
(Public Library of Science, 2022-03)In this study, we developed gelatin-based films for active packaging with the ability to inhibit E. coli. We created these novel biodegradable gelatin-based films with a nisin-EDTA mix. FT-IR, TGA, and SEM analysis showed ... -
Article
VLA proper motion constraints on the origin, age, and potential magnetar future of PSR J1734-3333 (2022)
(EDP Sciences, 2022-03-01)Context. The characteristic age of PSR J1734-3333 estimated from its current spin down rate implies that it is a young pulsar (τc = 8.1 kyr). However, the time derivative of its spin-down rate differs markedly from that ... -
Article
The Impact of COVID-19 on the Food Supply Chain and the Role of E-Commerce for Food Purchasing (2022)
(MDPI, 2022-03-01)The world has been plagued by an unforeseen threat to public health by the appearance of COVID-19, which has impacted the world’s economy and the worldwide supply chain. The unexpected pandemic (COVID-19) quickly spread ... -
Article
Data Provision for Science-Based FAD Fishery Management: Spanish FAD Management Plan as a Case Study (2022)
(MDPI, 2022-03-02)The use of fish aggregating devices (FADs) in tropical tuna fisheries has increased significantly during recent decades. Concurrently, concern about juvenile tuna mortality, bycatch, and marine debris associated with FAD ... -
Article
N-Heterocyclic carbene derivatives to modify gold superatom characteristics. Tailorable electronic and optical properties of [Au11(PPh3)7LCl2]+ as a cluster from relativistic DFT (2022)
(NLM (Medline), 2022-03-09)Atomically precise gold superatoms are useful building blocks whose properties can be tuned by the proper choice of ligands in the protecting ligand layer. Herein, different N-heterocyclic carbene (NHC) derivatives of the ... -
Book
Reconocimiento social de las profesiones de fonoaudiología y fisioterapia en Chile y Colombia (2022)
(Corporación Universitaria Iberoamericana, 2018)Según Fernández Pérez (2001) "El concepto profesión ha evolucionado a través del tiempo y ha sido producto de un desarrollo histórico, que ha creado y renovado mecanismos de diversa índole, hasta llegar a los procesos ...