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120 resultados encontrados.

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Acetylcholinesterase inhibitory activity of a naturally occurring peptide isolated from Boana pulchella (Anura: Hylidae) and its analogs
Artículo
Acceso abierto Artículo CONICET Digital
Sanchis, Ivan et al · Springer · 2020 · ISSN 0939-4451
Alzheimer’s disease (AD), the most common form of dementia, is a growing problem worldwide, with 10 million incident cases registered every year. The complex etiology of AD has not been clarified yet and represents an ...
Idioma eng
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Open Access
Advancements in Bimetallic Metal–Organic Frameworks for Oral Medicine
Artículo
Acceso abierto Artículo DOAJ
Yuhan Yang et al · Elsevier · 2026 · ISSN 0020-6539
The characteristic oral environment – with its dynamic clearance, moisture, microbial load, and inflammatory potential – makes oral diseases highly prevalent and therapeutically challenging. Metal-organic frameworks ...
LCC TENDOkRlbnRpc3RyeQ~~Idioma eng
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Aerobic Capacity and Exercise Mediate Protection Against Hepatic Steatosis via Enhanced Bile Acid Metabolism
Artículo
Acceso abierto Artículo DOAJ
Benjamin A Kugler et al · American Physiological Society · 2025 · ISSN 2633-8823
Abstract High cardiorespiratory fitness and exercise show evidence of altering bile acid (BA) metabolism and are known to protect or treat diet-induced hepatic steatosis, respectively. Here, we tested the hypothesis that...
LCC TENDOlBoeXNpb2xvZ3k~Idioma eng
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An Application of The Thermodynamic Approach to Explain the Shape Selection During Light-Induced Growth of Silver Nanoparticles
Artículo
Acceso abierto Artículo DOAJ
Alina Korop et al · Vasyl Stefanyk Carpathian National University · 2026 · ISSN 1729-4428
Synthesis of silver nanoparticles of different shapes and sizes by the chemical reduction of Ag+ may be strongly influenced by the light irradiation. A key question is understanding the mechanism underlying the transform...
LCC TENDOlBoeXNpY3M~Idioma eng
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Design approach of discrete-time resonant controllers for uninterruptible power supply applications through frequency response analysis
Artículo
Acceso abierto Artículo CONICET Digital
Carballo, Roberto Esteban et al · Institution of Engineering and Technology · 2016 · ISSN 2871-2879
A new methodology to design discrete-time multiple resonant controllers for single-phase uninterruptible power supply inverters is proposed in this study. This methodology is based on classical linear tools and consists ...
Idioma eng
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Design of bistable compliant mechanisms using precision-position and rigid-body replacement methods
Artículo
Material complementario disponible Artículo CONICET Digital
Pucheta, Martín Alejo et al · Pergamon-Elsevier Science Ltd · 2010 · ISSN 0094-114X
A systematic approach to the synthesis of compliant mechanisms starting from the problem requirements is proposed. The method uses as topological solution space several atlases of compliant mechanisms specialized from ri...
Idioma eng
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Evaluation of Microbial Contamination in Tube Well and Filter Water of Lahore and Treatment with Copper Nanoparticles
Artículo
Acceso abierto Artículo DOAJ
Khadeeja Moazzam et al · Wright State University · 2024 · ISSN 2309-3854
Water contamination is a global issue and different techniques are being devised to reduce water contamination. Among these techniques, use of nanoparticles for water purification is an efficient and cost-effective metho...
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Let Sleeping Syntheses Lie
Artículo
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Ian Tattersall · Paleoanthropology Society · 2022 · ISSN 1545-0031
As the twentieth century neared its midpoint, paleoanthropology was in dire need of revitalization and some coherent concept of evolution.  Sadly, as introduced to paleoanthropology by Ernst Mayr in 1950, the Modern Evo...
LCC TENDOkZvc3NpbCBtYW4uIEh1bWFuIHBhbGVvbnRvbG9neQ~~; LCC:ArchaeologyIdioma eng
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Postharvest delivery of Bacillus G36 metabolites formulated in AgNP modifies Salvia rosmarinus Spenn. bioactive profiles
Artículo
Acceso abierto Artículo DOAJ
E. Fuente-González et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract This study explores the biological synthesis of silver nanoparticles (AgNPs) using elicitors (ML) from the beneficial bacterium Bacillus G36 and evaluates their potential to enhance bioactive compound production...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Pt encapsulated into NaA zeolite as catalyst for the WGS reaction
Artículo
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Martinez Galeano, Yohana et al · Elsevier Science · 2019 · ISSN 0926-860X
Pt catalysts were prepared by encapsulating the active metal in the NaA zeolite structure. The catalysts were prepared by hydrothermal synthesis using two heating sources, conventional heating through a thermal bath and ...
Idioma eng
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Silica nanoparticles for insect pest control
Artículo
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Cáceres, Mariano et al · Bentham Science Publishers · 2019 · ISSN 4030-4038
To date, control strategies used against insect pest species are based on synthetic insecticide applications. In addition, the efficacy of these treatments could be decreased due to insecticide resistance in insect popul...
Idioma eng
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Structural and morphological properties of Ce(1−x)FexO2−δ synthesized by citrate route
Artículo
Acceso abierto Artículo Repositorio UNSAM
Mazan, Mariano Osvaldo et al · Elsevier · 2015 · ISSN 0272-8842
Cerium-based materials were intensively studied in last years because of their high oxygen storage capacity (OSC) associated to the reversible Ce4+ Ce3+ process and their properties closely related to the defect chemistr...
Idioma eng
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Translation of the Curriculum-Society as seen from the student movements in Chile and Mexico ( 2001-2016)
Artículo
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Carmen Gloria Burgos Videla · Universidad Pedagógica y Tecnológica de Colombia · 2025 · ISSN 0122-7238
Objective: This article aims to describe how the social actors involved in curriculum development—teachers, students, and professionals—characterized the secondary school student movement in Chile between 2001 and 20...
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Accommodation‐based interventions for individuals experiencing, or at risk of experiencing, homelessness
Artículo
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Ciara Keenan et al · SAGE Publishing · 2021 · ISSN 1891-1803
Abstract Background Globally, almost 1.6 billion individuals lack adequate housing. Many accommodation‐based approaches have evolved across the globe to incorporate additional support and services beyond delivery of ho...
LCC TENDOlNvY2lhbCBTY2llbmNlcw~~Idioma eng
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Agricultural input subsidies for improving productivity, farm income, consumer welfare and wider growth in low‐ and lower‐middle‐income countries: a systematic review
Artículo
Material complementario disponible Artículo DOAJ
David J. Hemming et al · SAGE Publishing · 2018 · ISSN 1891-1803
This Campbell systematic review examines the effects of input subsidies on agricultural productivity, beneficiary incomes and welfare, consumer welfare and wider economic growth. The review summarizes evidence from 15 ex...
LCC TENDOlNvY2lhbCBTY2llbmNlcw~~Idioma eng
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Circulating monocytes from systemic sclerosis patients with progressive interstitial lung disease preferentially express M2 phenotype markers: in vitro and ex vivo study
Artículo
Acceso abierto Artículo DOAJ
Sabrina Paolino et al · BMJ Publishing Group · 2025 · ISSN 2056-5933
Objective To characterise phenotype and functional profibrotic M2 markers in circulating monocytes and cultured monocyte-derived macrophages (MDMs) from systemic sclerosis (SSc) patients (pts) with progressive interstiti...
LCC LCC:MedicineIdioma eng
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Open Access
Comparison of state-of-the-art error-correction coding for sequence-based DNA data storage
Artículo
Acceso abierto Artículo DOAJ
Andreas L. Gimpel et al · Nature Portfolio · 2026 · ISSN 2041-1723
Abstract Many codecs with different error-correction approaches have been implemented for DNA data storage to date. However, no studies have systematically benchmarked codec implementations to establish their current sta...
LCC TENDOlNjaWVuY2U~Idioma eng
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Consumo, digestibilidade e excreção de uréia e derivados de purinas em vacas de diferentes níveis de produção de leite Intake, digestibility and nitrogen metabolism in Holstein cows with different milk production levels
Artículo
Acceso abierto Artículo DOAJ
Mário Luiz Chizzotti et al · Sociedade Brasileira de Zootecnia · 2007 · ISSN 1516-3598
Objetivou-se avaliar o efeito do nível de produção de leite sobre o consumo e a digestibilidade dos nutrientes (MS, MO, EE, PB, FDNcp e CNF corrigidos), o consumo de NDT, a produção de proteína microbiana e a excre...
LCC LCC:Animal cultureIdioma eng
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Dimensionality Engineering of 1D, 2D, and 3D High‐Entropy Alloys for Advanced Electrocatalysis
Artículo
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Jing Yang et al · Wiley-VCH · 2026 · ISSN 2688-4062
High‐entropy alloys (HEAs) are emerging as promising candidates for advanced electrocatalysis due to their multi‐elemental compositions, tunable electronic structures, and remarkable stability. Recent advances in syn...
LCC TENDOlBoeXNpY3M~; TENDOkNoZW1pc3RyeQ~~Idioma eng
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Effect of galactose and glucose on the exopolysaccharide production and the activities of biosynthetic enzymes in Lactobacillus casei CRL 87
Artículo
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Mozzi, Fernanda Beatriz et al · Wiley Blackwell Publishing, Inc · 2001 · ISSN 1364-5072
Aims: The objective of this work was to study the influence of the sugar source on exopolysaccharide (EPS) production and the activities of the enzymes involved in the synthesis of sugar nucleotides in Lactobacillus case...
Idioma eng
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Exploring the physics of cesium lead halide perovskite quantum dots via Bayesian inference of the photoluminescence spectra in automated experiment
Artículo
Acceso abierto Artículo DOAJ
Heimbrook Amanda et al · Wiley · 2021 · ISSN 2192-8614
The unique optoelectronic properties of metal halide perovskite quantum dots (QDs) make them promising candidates for applications in light-emitting diodes (LEDs), scintillators, and other photonic devices. The automated...
LCC TENDOlBoeXNpY3M~Idioma eng
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Expression of seed dormancy in grain sorghum lines with contrasting pre-harvest sprouting behavior involves differential regulation of gibberellin metabolism genes
Artículo
Acceso abierto Artículo CONICET Digital
Rodríguez, María Verónica et al · Oxford University Press · 2012 · ISSN 0032-0781
Grain sorghum [Sorghum bicolor (L) moench] exhibits intraspecificvariability for the rate of dormancy release and pre-harvest sprouting behavior. Two inbred lines with contrasting sprouting response were compared: IS9530...
Idioma eng
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Housing Improvements for Health and Associated Socio‐Economic Outcomes: A Systematic Review
Artículo
Material complementario disponible Artículo DOAJ
Hilary Thomson et al · SAGE Publishing · 2013 · ISSN 1891-1803
Poor housing is associated with poor health. This suggests that improving housing conditions might lead to improved health for residents. This review searched widely for studies from anywhere in the world which had inves...
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Influence of farnesoid X receptor (FXR) on lipid metabolism in calf hepatocytes exposed to high fatty acid levels
Artículo
Acceso abierto Artículo DOAJ
Bin Jia et al · Frontiers Media S.A · 2026 · ISSN 2297-1769
IntroductionFatty liver is a common metabolic disease in dairy cows during early postpartum period, which is characterized by excessive hepatic triacylglycerol (TAG) accumulation. However, the mechanisms of bile acid (BA...
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