Search Results - "Saavedra Arias, José"
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High Specific Capacity of Lithium–Sulfur Batteries with Carbon Black/Chitosan- and Carbon Black/Polyvinylidene Fluoride-Coated Separators
Published in Energies (Basel) (01-03-2022)“…In this research, the shuttle effect and the low sulfur activation of lithium–sulfur batteries were mitigated by coating the cathode side of Celgard 2400…”
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Serum specific vasopressin-degrading activity is related to blood total cholesterol levels in men but not in women
Published in Medicinal chemistry (Shp-sariqah, United Arab Emirates) (01-07-2012)“…The role of vasopressin (AVP) in the pathophysiology of cardiovascular disease is controversial, but this peptide hormone is elevated in heart failure and some…”
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Circulating oxidative stress parameters in pre- and post-menopausal healthy women and in women suffering from breast cancer treated or not with neoadjuvant chemotherapy
Published in Experimental gerontology (01-10-2014)“…We evaluate here the redox status in pre- and post-menopausal healthy women and in women with breast cancer in order to understand the consequences of the…”
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A combined first-principles computational/experimental study on LiNi0.66Co0.17Mn0.17O2 as a potential layered cathode material
Published in Journal of power sources (01-08-2012)“…First-principles calculations are used to analyze the phase stability, formation energy, and Li intercalation potential for a series of layered cathode…”
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Evaluación realizada desde la perspectiva de un grupo universitario de docentes sobre los cursos de Física General de la Universidad Nacional de Costa Rica durante el 2014 y el 2019
Published in Revista educare (01-01-2022)“…Objetivo. Evaluar los cursos de Física General (teoría y laboratorio) de la carrera de Enseñanza de las Ciencias a través del personal docente universitario,…”
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Electrochemical Hydrogen Oxidation on Pt(100): a Combined Direct Molecular Dynamics/Density Functional Theory Study
Published in Electrocatalysis (01-11-2015)“…We have studied the hydrogen oxidation reaction on various catalytic sites at the water/Pt(100) interface with first-principles direct molecular dynamics and…”
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Hypothalamus–pituitary–thyroid axis disruption in rats with breast cancer is related to an altered endogenous oxytocin/insulin-regulated aminopeptidase (IRAP) system
Published in Tumor biology (01-06-2011)“…Associations of breast cancer with diseases of the thyroid have been repeatedly reported, but the mechanism underlying this association remains to be…”
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Biocomposites of Low-Density Polyethylene Plus Wood Flour or Flax Straw: Biodegradation Kinetics across Three Environments
Published in Polymers (29-06-2021)“…The purpose of this study was to assess the potential for biocomposite films to biodegrade in diverse climatic environments. Biocomposite films based on…”
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Synthesis and electrochemical properties of Li(Ni 0.8Co 0.1Mn 0.1)O 2 cathode material: Ex situ structural analysis by Raman scattering and X-ray diffraction at various stages of charge–discharge process
Published in Journal of power sources (01-09-2008)“…Li(Ni 0.8Co 0.1Mn 0.1)O 2 cathode materials were synthesized by solid-state reaction route. Single-phase layer structure with hexagonal unit cell having R 3 ¯…”
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Phenolic compounds oleuropein and hydroxytyrosol exert differential effects on glioma development via antioxidant defense systems
Published in Journal of functional foods (01-11-2014)“…•Hydroxytyrosol inhibits tumor growth in experimental glioma.•Hydroxytyrosol decreases lipid peroxidation and protein oxidation.•Hydroxytyrosol restores…”
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A combined experimental and theoretical study of gas sorption on nanoporous silver triazolato metal–organic frameworks
Published in Microporous and mesoporous materials (01-01-2014)“…A flexible nanoporous silver-triazolato MOF expands as it adsorbs CO2 selectively, forming weak van der Waals interactions between CO2 and aromatic (or alkyl)…”
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Evaluation Conducted With University Teachers on the General Physics Courses Taught at the National University of Costa Rica During 2014 and 2019
Published in Revista educare (01-01-2022)“…Objective. Evaluate the General Physics courses (theory and laboratory) of the Science Teaching career with the university teaching staff, in the period from…”
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Evaluación realizada desde la perspectiva de un grupo universitario de docentes sobre los cursos de Física General de la Universidad Nacional de Costa Rica durante el 2014 y el 2019
Published in Revista educare (2022)“…Objective. Evaluate the General Physics courses (theory and laboratory) of the Science Teaching career with the university teaching staff, in the period from…”
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Doxazosin blockade of α1 -adrenergic receptors increases rat serum progesterone levels: a putative role of ovarian angiotensin III in steroidogenesis
Published in Fertility and sterility (01-10-2007)“…Objective To analyze the role of the local renin-angiotensin system (RAS) in the female reproductive system to modulate ovarian steroidogenesis and its…”
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Doxazosin blockade of α 1-adrenergic receptors increases rat serum progesterone levels: a putative role of ovarian angiotensin III in steroidogenesis
Published in Fertility and sterility (01-10-2007)“…To analyze the role of the local renin-angiotensin system (RAS) in the female reproductive system to modulate ovarian steroidogenesis and its relationship with…”
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Specific enkephalin-degrading aminopeptidase activity in the HPT and HPO axes of rats with breast cancer induced by N-methyl nitrosourea
Published in Regulatory peptides (15-01-2005)“…State and function of breast depend on an endocrinological balance, the upsetting of which can be a factor favorable to the development of cancer. Enkephalins…”
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Thermal Stability of Highly Filled Cellulosic Biocomposites Based on Ethylene-Vinyl Acetate Copolymer
Published in Polymers (24-07-2024)“…The effect of plant-based fillers on thermal resistance in highly filled biocomposites based on ethylene-vinyl acetate copolymer (EVA) was studied. Wood flour…”
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Synthesis and electrochemical properties of Li(Ni sub(0.8Co) sub(0).1Mn sub(0.1)O) sub(2) cathode material: Ex situ structural analysis by Raman scattering and X-ray diffraction at various stages of charge-discharge process
Published in Journal of power sources (01-09-2008)“…Li(Ni sub(0.8Co) sub(0).1Mn sub(0.1)O) sub(2) cathode materials were synthesized by solid-state reaction route. Single-phase layer structure with hexagonal…”
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First principle computational and experimental studies of cathode materials for lithium ion rechargeable batteries
Published 01-01-2009“…We have studied the properties of spinel and layered cathode materials for Li ion rechargeable batteries. The analysis was done by first principle…”
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Dissertation