Artículos Científicos: Envíos recientes
Mostrando publicaciones 921-940 de 3595
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Application of a spatial risk model of the crystalline spider mite (Oligonychus sp) to avocado crop damage using remote sensing
(2023)The avocado is one of the most consumed foods in the world and it is affected by the mite Oligonychus sp., which affects the generation of chlorophyll by the plant, resulting in a decrease in productivity. Given the economic ...
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Feedback information transfer in the human brain reflects bistable perception in the absence of report
(2023)In the search for the neural basis of conscious experience, perception and the cognitive processes associated with reporting perception are typically confounded as neural activity is recorded while participants explicitly ...
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Two oscillatory correlates of attention control in the alpha-band with distinct consequences on perceptual gain and metacognition
(2023)Behavioral consequences and neural underpinnings of visuospatial attention have long been investigated. Classical studies using the Posner paradigm have found that visual perception systematically benefits from the use of ...
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Exploring the shear viscosity in four-dimensional planar black holes beyond general relativity
(2023)The well-known shear viscosity to entropy density ratio (η/s) cannot be computed when the black hole space-time has zero thermodynamic entropy. This is the case, for example, when general relativity in four dimensions is ...
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Implementation of a teleprehabilitation program for oncosurgical patients during the COVID-19 pandemic: perspectives and user satisfaction
(2023)ntroduction Many rehabilitation services in the face of the COVID-19 health emergency have had to adapt face-to-face interventions with remote care through teleprehabilitation. We aim to describe the implementation of a ...
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Efficient production of a polyhydroxyalkanoate by Azotobacter vinelandii OP using apple residues as promising feedstock
(2023)Fruit residues are attractive substrates for the production of bacterial polyhydroxyalkanoates due to the high contents of fermentable sugars and the fast, simple, and efficient pretreatment methods required. In this study, ...
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Factors associated with transitioning from suicidal ideation to suicide attempt in the short-term: two large cohorts of depressed outpatients
(2023)Background This study explores factors associated with transitioning from recent suicidal ideation (SI) to suicide attempt (SA) in depressed outpatients. Methods This is a case-control study nested in two cohorts (LUEUR ...
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Dose-response associations of dietary inflammatory potential with health outcomes: a prospective cohort study of 198,265 UK biobank participants
(2023)Objective To investigate the dose-response associations of dietary inflammatory potential with all-cause mortality and incident cardiovascular disease (CVD) and cancer. Methods This was a prospective cohort study of ...
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Spatial and temporal changes of subtidal benthic communities in Antofagasta Bay (SE Pacific) stressed by permanent human disturbances
(2023)Human activities have impacted the coastal area of Antofagasta Bay for decades, particularly miners’ activities (loading of mineral concentrates of Cu, Zn, Pb, and Mg), port operations, tourism, desalination plants, artisanal ...
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Review of extreme learning machines for the identification and classification of fingerprint databases
(2022)The fingerprint is one of the most popular and used biometric traits for the identification of people, due to its bio-invariant characteristic, precision, and easy acquisition. One of the stages in the identification of ...
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Extreme learning machine for mass spectrometry data analysis
(2022)In this work, we introduce the use of a weighted extreme learning machine (ELM) to give an automated predictive value to mass spectrometry data. In specific, the data obtained with Matrix-Assisted Laser DesorptioMonization-Time ...
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Web-based personal access control system using facial recognition with deep learning techniques
(2022)This paper presents a web application to control personnel access to a work area without contact; this makes it ideal to help combat the Covid-19 health emergency. For its implementation, deep learning and computer vision ...
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Fuerza de prensión manual. Un sencillo, pero fuerte predictor de salud en población adulta y personas mayores
(2022)Muscle strength can be measured through different methods and handgrip strength is one of the most used techniques in epidemiological studies. Given its easy application, high reliability, and low cost, it is considered ...
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UWB-OFDM System model for breast cancer detection
(2022)This research paper proposes a communication system that can be applied in diagnosis through medical imaging. The objective is to spot abnormalities in breasts with a high level of precision, allowing for diagnostics in ...
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Beneficios de los espacios verdes y actividad física en el bienestar y salud de las personas
(2022)Background: Physical environment can influence well-being, quality of life and health and population health in several ways. Exposure to green spaces improves the physical and mental health of individuals. Chile has ...
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Asociación del fitness cardiorrespiratorio con marcadores de adiposidad corporal: estudio de corte transversal de la Encuesta Nacional de Salud Chile 2016-2017
(2022)Background: Cardiorespiratory fitness (CRF) is inversely associated with metabolic diseases and adiposity markers. Aim: To assess the association of CRF with body mass index (BMI), waist circumference (WC) and obesity ...
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Manejo avanzado del infarto cerebral en un hospital público chileno: trombectomía mecánica en el Hospital Barros Luco Trudeau
(2022)Background: Mechanical thrombectomy is the accepted treatment for acute ischemic stroke in Large Vessel Occlusion. The Barros Luco Trudeau hospital developed endovenous thrombolysis in 2010, and since 2012, implemented ...
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Interrelationship among body mass index, body composition, and biochemical profiles of overweight adolescents in south of Brazil: A cross-sectional study
(2023)Introduction: Obesity in adolescence is associated with severe health complications. Objective: To analyze possible associations among body mass index (BMI), body composition, and biochemical profiles of overweight or ...
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Heterogeneidad en el impacto del COVID-19 sobre las ventas de microempresas en Chile a nivel municipal
(2023)La pandemia por Covid-19 generó consecuencias enormes en la economía mundial. Durante 2020, Chile fue un país enormemente afectado por el número de contagios con una evolución desfavorable de la pandemia a nivel nacional. ...