Artículos Científicos: Envíos recientes
Mostrando publicaciones 1101-1120 de 3486
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Acute effects of photobiomodulation therapy applied to respiratory muscles of chronic obstructive pulmonary disease patients: a double-blind, randomized, placebo-controlled crossover trial
(2020)To investigate the effects of photobiomodulation applied to respiratory muscles on lung function, thoracoabdominal mobility, respiratory muscle strength, and functional capacity in COPD patients. This is a randomized ...
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Raman characterization of CuCr2-xSnx S4 spinels
(2019)Polycrystalline thiospinels CuCr2-xSnxS4 (x = 0.4, 0.8, 1.0 and 1.4) were synthesized via conventional solid-state reaction. The samples were characterized by powder X-ray diffraction (XRD), energy-dispersive X-ray analysis ...
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PVEIN-MLELM: a novel palm vein identification approach through multilayer extreme learning machine
(2022)Biometric identification systems play an essential role in multiple application areas, such as banking services, e-government, and public security, among others. Particularly, palm vein recognition is considered an emerging ...
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Effects of a six-week international tour on the physical performance and body composition of young Chilean tennis players
; ; ; ; ; ; ; ; ; ; Vargas, Rodrigo
(2023)
In tennis, it is common for young male tennis players to spend several weeks away from their local training camps during the competition season, which could affect their performance. The purpose of the study was to analyze ...
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Vittorio Guidano’s trips to Argentina (1989-1999)
(2022)El presente artículo se enfoca en los viajes del psiquiatra italiano Vittorio Guidano (1944-1999) a Argentina durante ladécada de 1990. Para poner de relieve el impacto de las actividades que realizó en ...
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Confiabilidad intra-evaluador relativa y absoluta en las evaluaciones de rango de movimiento de hombro y fuerza prensil en supervivientes de cáncer de mama: estudio caso-control
(2023)Este estudio tuvo como objetivo evaluar la confiabilidad relativa (coeficiente de correlación intraclase, CCI) y absoluta (mínima diferencia detectable, MDD y el error estándar de la medición, EEM) para rango de movimiento ...
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The mediating role of the muscle quality index in the relation of screen time and abdominal obesity with health-related quality of life in chilean schoolchildren
(2023)Screen time (ST) and abdominal obesity have a negative effect on health-related quality of life (HRQoL). However, there is little information regarding the mediating role of the muscle quality index (MQI) in these ...
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Relationship between age and handgrip strength: proposal of reference values from infancy to senescence
(2023)Introduction: Measurement of hand grip strength (HGS) has been proposed as a key component of frailty and has also been suggested as a central biomarker of healthy aging and a powerful predictor of future morbidity and ...
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Relation between VT1, VT2, and VO2max with the special wrestling fitness test in youth wrestlers: a short report
(2023)This study investigated the relationship between peak oxygen uptake and ventilatory threshold 1 (VT1) and 2 (VT2) with the Special Wrestling Fitness Test variables. Thirteen wrestlers (male: six; female: seven) of Olympic ...
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Ética y medios digitales la tarea pendiente del mundo digital
(2023)Se elabora una crítica a los problemas de tensión entre ética y medios digitales. Se enfoca la automatización de los referentes humanos, sometidos al control digital mediante algoritmos big data, acentuándose ...
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Physical activity, seasonal sensitivity and psychological well-being of people of different age groups living in extreme environments
(2023)Physical activity can prevent many organic and mental pathologies. For people living in extreme southern high-latitude environments, weather conditions can affect these activities, altering their psychological well-being ...
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Characterization of exopolysaccharide produced by pseudomonas sp. PFAB4 for synthesis of EPS-coated AgNPs with antimicrobial properties
(2020)Thermal ecosystems like hot springs are exclusive habitat of thermotolerant microorganisms that produce exopolysaccharides (EPS). In this study, EPS produced by a hot spring origin Pseudomonas species is structurally ...
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Novel biocide based on cationic derivative of psyllium: surface modification and antibacterial activity
(2019)To circumvent the problems (such as volatilization, photolytic decomposition, chemical instability, easy permeability through the skin) associated with low molecular weight antimicrobial agents, our strategy employed graft ...
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Interdisciplinarity, mathematical modelling, and poincare's work: comparing conceptions about knowledge construction
(2019)In this work we have applied the thematic analysis methodology to extract the most relevant conceptions about mathematical modelling practices using the collected opinions from a interdisciplinary team of researchers. The ...
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Identifying the biomarker profile of pre-frail and frail people: a cross-sectional analysis from UK biobank
(2023)Objective: This study aimed to compare the biomarker profile of pre-frail and frail adults in the UK Biobank cohort by sex. Methods: In total, 202,537 participants (67.8% women, aged 37 to 73 years) were included in this ...
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Population dynamics in the face of climate change: analysis of a cubic thermal performance curve in ectotherms
(2019)The objective of this study is to perform an analysis on the effect of the increase in temperature under the context of climate change on the dynamics of a population of ectothermic organisms, which are highly susceptible ...
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A two patch model for the population dynamics of mosquito-borne diseases
(2019)In this work, a model on the interaction dynamics of mosquitoes causing vector-borne diseases is formulated, without consider the human population as dynamic variables and including mobility from eulerian approach, in which ...
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A new COVID-19 detection method based on CSK/QAM visible light communication and machine learning
(2023)This article proposes a novel method for detecting coronavirus disease 2019 (COVID-19) in an underground channel using visible light communication (VLC) and machine learning (ML). We present mathematical models of COVID-19 ...
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Relação da força de preensão manual, a competência motora e a qualidade da escrita de crianças em processo de aprendizagem e escrita
(2019)O objetivo do estudo foi verificar a influência da força de preensão manual (FPM) na competência motora (CM) e qualidade da escrita (QE) de crianças em processo de aprendizagem da escrita. Participaram do estudo 61 escolares ...