89,722 results match your criteria: "Chile; Center for Aquaculture Research (INCAR)[Affiliation]"

goChem: A Composable Library for Multi-Scale Computational Chemistry Data Analysis.

J Comput Chem

January 2025

Departmento de Química, Facultad de Ciencias, Universidad de Tarapacá, Arica, Chile.

Data analysis is a major task for Computational Chemists. The diversity of modeling tools currently available in Computational Chemistry requires the development of flexible analysis tools that can adapt to different systems and output formats. As a contribution to this need, we report the implementation of goChem, a versatile open-source library for multiscale analysis of computational chemistry data.

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Plasmonic materials can be utilized as effective platforms to enhance luminescent signals of luminescent metal nanoclusters (LMNCs). Both surface enhanced fluorescence (SEF) and shell-isolated nanoparticle-enhanced fluorescence (SHINEF) strategies take advantage of the localized and increased external electric field created around the plasmonic metal surface when excited at or near their characteristic plasmonic resonance. In this context, we present an experimental and computational study of different plasmonic composites, (Ag) Ag@SiO2 and (Au) Au@SiO2 nanoparticles, which were used to enhance the luminescent signal of Au nanoclusters coated with glutathione (GSH) molecule (Au25GSH NCs).

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Introduction: Generic competencies are transferable skills, knowledge and attitudes essential for personal and professional development and not restricted to any particular field. Evidence shows the relevance of incorporating them into the dentistry curriculum. However, defining which competencies to prioritise is complex and requires input from the academic community.

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: Eye-foot coordination is essential in sports and daily life, enabling the synchronization of vision and movement for tasks like ball control or crossing obstacles. This study aimed to examine both the validity and reliability of an innovative eye-foot coordination (EFC) test in a dual-task paradigm in children aged 6-11 years and the capacity of this test to discriminate between sex and age. : A total of 440 schoolchildren aged 6-11 years participated in this cross-sectional study.

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Cardiovascular diseases increasingly impact youth, with early development of risk factors such as obesity, hypertension, and inadequate nutrient intake. Proper nutrient intake and physical fitness are vital for reducing these risks, especially in pediatric populations. This study explores the connection between physical fitness, metabolic risk, and nutrient status among 1656 Chilean schoolchildren from diverse socio-economic backgrounds.

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Background: Children and adolescents with obesity have altered serum copper (Cu) and zinc (Zn) levels, which are associated with oxidative stress, inflammation, and health outcomes. The inclusion of cashew nuts in an adequate diet may provide health benefits and help improve the mineral status of individuals with obesity.

Objective: To evaluate the effects of cashew nut consumption on biomarkers of Cu and Zn status in adolescents with obesity.

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Unlabelled: Given the rising global population of older adults and their association with edentulism and the use of complete removable prostheses [CRP], it is imperative to pursue solutions for issues such as the relationship between poor diets and masticatory deficiency.

Objective: To examine the research on the efficacy of dietary counseling in enhancing mastication and nutrition in older adults with CRP.

Methods: A systematic literature review was performed in the PubMed, Trip, and Web of Science databases.

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Background: Walp. (LmW), known as maca, has been shown to increase physical performance. However, the effect size (ES) of LmW on the different manifestations of physical performance has not yet been described.

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Screening and Selection of Native Lactic Acid Bacteria Isolated from Chilean Grapes.

Foods

January 2025

Departamento de Ingeniería Química y Bioprocesos, Pontificia Universidad Católica de Chile, Santiago 6904411, Chile.

The aim of this study was investigating the biological diversity of lactic acid bacteria isolated from Chilean grapes and identifying potential candidates for use as malolactic fermentation starter cultures. The isolated bacteria underwent a comprehensive six-stage screening process, which was mutually exclusive except for the evaluation of tyramine production and citric acid intake. This process included morphological, metabolic, fermentation yield, and resistance tests to identify promising malolactic strains.

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This study evaluated how healthy lifestyle motivators (MHLs) influence the Peruvian market's willingness to consume healthy food (WCHBF). The main objective was to analyze the relationship of variables, such as attitude (ATT), perceived behavioral control (PBC), self-identity (SI), and moral norms (MN) with the WCHBF. This study adopted a quantitative, non-experimental, and cross-sectional approach, using a self-administered questionnaire for data collection.

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Proteomic Profile of in Response to Heavy Metal Pollution in Lakes of Northern Patagonia.

Int J Mol Sci

January 2025

Department of Chemical Engineering, Faculty of Engineering and Science, Universidad de La Frontera, Avenida Francisco Salazar, 01145, P.O. Box 54-D, Temuco 4811230, Chile.

Over recent decades, Northern Patagonia in Chile has seen significant growth in agriculture, livestock, forestry, and aquaculture, disrupting lake ecosystems and threatening native species. These environmental changes offer a chance to explore how anthropization impacts zooplankton communities from a molecular-ecological perspective. This study assessed the anthropogenic impact on by comparing its proteomes from two lakes: Llanquihue (anthropized) and Icalma (oligotrophic).

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The Unexplored Role of Connexin Hemichannels in Promoting Facioscapulohumeral Muscular Dystrophy Progression.

Int J Mol Sci

January 2025

Programa de Comunicación Celular en Cáncer, Facultad de Medicina, Clínica Alemana Universidad del Desarrollo, Santiago 7550000, Chile.

DUX4 is typically a repressed transcription factor, but its aberrant activation in Facioscapulohumeral Muscular Dystrophy (FSHD) leads to cell death by disrupting muscle homeostasis. This disruption affects crucial processes such as myogenesis, sarcolemma integrity, gene regulation, oxidative stress, immune response, and many other biological pathways. Notably, these disrupted processes have been associated, in other pathological contexts, with the presence of connexin (Cx) hemichannels-transmembrane structures that mediate communication between the intracellular and extracellular environments.

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Systematic Approach to Negative Fukui Functions: Its Association with Nitro Groups in Aromatic Systems.

Int J Mol Sci

January 2025

Departamento de Química y Biología, Facultad de Ciencias Naturales, Universidad de Atacama, Av. Copayapu 485, Copiapó 1530000, Chile.

Fukui functions are related to electron densities, and their interpretation permits the determination of reactivity of atomic centres. However, negative values cannot be interpreted by an "electron density based" model and represent a phenomenon that has been little investigated and understood. Previous works in the literature suggest that they are related to nodes in the wave function.

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Neuroinflammatory Loop in Schizophrenia, Is There a Relationship with Symptoms or Cognition Decline?

Int J Mol Sci

January 2025

Departamento de Ciencias Biológicas y Químicas, Facultad De Medicina y Ciencia, Universidad San Sebastián, Sede Tres Pascualas Lientur 1457, Concepción 4080871, Chile.

Schizophrenia (SZ), a complex psychiatric disorder of neurodevelopment, is characterised by a range of symptoms, including hallucinations, delusions, social isolation and cognitive deterioration. One of the hypotheses that underlie SZ is related to inflammatory events which could be partly responsible for symptoms. However, it is unknown how inflammatory molecules can contribute to cognitive decline in SZ.

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Unraveling the microRNAs Involved in Fasciolosis: Master Regulators of the Host-Parasite Crosstalk.

Int J Mol Sci

December 2024

Departamento de Anatomía y Anatomía Patológica Comparadas y Toxicología, UIC Zoonosis y Enfermedades Emergentes (ENZOEM), Universidad de Córdoba, Campus de Rabanales, Edificio Sanidad Animal, 14071 Córdoba, Spain.

Fasciolosis is a neglected tropical disease caused by helminth parasites of the genus spp., including () and (), being a major zoonotic problem of human and animal health. Its control with antihelminthics is becoming ineffective due to the increase in parasite resistance.

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Resonant and Non-Resonant Impurity States Related to GaAs/AlGaAs Quantum Well Sub-Bands.

Materials (Basel)

December 2024

Centro de Investigación en Ciencias-IICBA, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Mexico.

The energy positions and wave function shapes of the ground and excited states of impurities, including resonance states, are studied using the expansion of the impurity wave function in basis functions. The structures under study are rectangular GaAs/AlGaAs quantum wells with four different widths. In all cases, the impurity binding energy (relative to the corresponding sub-band) has a maximum at or near the center of the quantum well, decreases as the heterointerface is approached, and apparently has a limit of 0 if the impurity moves deeper into the barrier.

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Neuropathic pain (NP) and cancer are caused by nerve damage due to cancer or treatments such as chemotherapy, radiotherapy, and surgery, with a prevalence that can reach up to 40%. Causes of neuropathic cancer pain (NCP) include direct nerve invasion or compression by the tumor, as well as neural toxicity associated with treatments. This type of pain is classified into several categories, such as plexopathy, radiculopathy, and peripheral neuropathies.

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The Role of Oral Biomarkers in the Assessment of Noncommunicable Diseases.

Diagnostics (Basel)

December 2024

Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago 9170022, Chile.

: Oral biomarkers have gained attention as non-invasive tools for assessing systemic diseases due to their potential to reflect physiological and pathological conditions. This review aims to explore the role of oral biomarkers in diagnosing and monitoring systemic diseases, emphasizing their diagnostic relevance and predictive capabilities in clinical practice. : This narrative review synthesizes the current literature on biochemical, immunological, genetic, and microbiological oral biomarkers, with a focus on their sources, types, and clinical applications.

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: This international multicenter study aimed to assess the effectiveness of the Pivot-Shift Meter (PSM) mobile application in diagnosing and classifying anterior cruciate ligament (ACL) injuries, emphasizing the need for standardization to improve diagnostic precision and treatment outcomes. : ACL evaluations were conducted by eight experienced orthopedic surgeons across five Latin American countries (Bolivia, Chile, Colombia, Ecuador, and Mexico). The PSM app utilized smartphone gyroscopes and accelerometers to standardize the pivot-shift test.

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Pathovar Infection Reveals Different Defense Mechanisms in Two Sweet Cherry Cultivars.

Plants (Basel)

December 2024

Facultad de Ciencias Agronómicas, Departamento de Sanidad Vegetal, Universidad de Chile, La Pintana 8820808, Chile.

pv. is the main causal agent of bacterial canker in sweet cherry in Chile, causing significant economic losses. Cultivars exhibit diverse susceptibility in the field and the molecular mechanisms underlying the differential responses remain unclear.

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Plant Growth-Promoting and Herbicidal Bacteria as Potential Bio-Based Solutions for Agriculture in Desertic Regions.

Plants (Basel)

December 2024

Laboratory of Plant Pathology and Bioproducts, Faculty of Agronomic Sciences, University of Tarapacá, Av. General Velásquez 1775, Arica 1000000, Chile.

The region of Arica and Parinacota hosts unexplored remote sites with unique characteristics suitable for developing novel agricultural bioproducts. Notable locations include Jurasi Hot Springs, Polloquere Hot Springs, and Amuyo Lagoons, featuring open pools fed by thermal mountain springs. These geothermal sites harbor bacteria with plant growth-promoting activities, particularly interesting to the strains J19, TP22, A20, and A3.

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In Vitro Bioaccessibility of Edible Seaweed Proteins from the Chilean Coast and Proteins from the Novel Seaweed-Derived Mycoprotein.

Molecules

January 2025

Department of Chemical Engineering, Biotechnology, and Materials, Centre for Biotechnology and Bioengineering (CeBiB), University of Chile, Santiago 8330111, Chile.

Seaweed biomass is globally underutilized as a source of proteins despite its nutritional potential, with much of its use focused on hydrocolloid extraction. This study evaluated the nutritional quality and digestibility of protein and amino acids from two brown seaweeds ( spp. and ), one green seaweed ( spp.

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London rocket () is a wild green consumed globally, yet its phytochemical composition remains underexplored. In this study, we analyzed the leaves of wild plants and those grown in controlled environments (GCE) with varying electrical conductivities (EC) and light spectra. Plants were assessed for growth, phenolic content, vitamin C, antioxidant activity, glucosinolates, and antiproliferative effects against HT-29 human colorectal cancer cells.

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Economic Viability of the Production of Peruvian Grunt () in RAS on the Peruvian-Chilean Desert Coast.

Animals (Basel)

December 2024

Escuela de Ingeniería Pesquera, Universidad Nacional Jorge Basadre Grohmann, Tacna 23004, Peru.

The Peruvian grunt is one of the most appreciated fish in Peruvian national markets. However, its reduced and irregular fishery is a paradigm of illegal, unreported, and unregulated fishing (IUU) in the Peruvian-Chilean coastal region. An important technological advancement has been achieved in the last decade in capture, management, nutrition, and broodstock maintenance to boost pilot experiences on the aquaculture of this species.

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Background: Double cycling with breath-stacking (DC/BS) during controlled mechanical ventilation is considered potentially injurious, reflecting a high respiratory drive. During partial ventilatory support, its occurrence might be attributable to physiological variability of breathing patterns, reflecting the response of the mode without carrying specific risks.

Methods: This secondary analysis of a crossover study evaluated DC/BS events in hypoxemic patients resuming spontaneous breathing in cross-over under neurally adjusted ventilatory assist (NAVA), proportional assist ventilation (PAV +), and pressure support ventilation (PSV).

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