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120 resultados encontrados.

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Ionic liquid-assisted multiwalled carbon nanotube-dispersive micro-solid phase extraction for sensitive determination of inorganic As species in garlic samples by electrothermal atomic absorption spectrometry
Artículo
Material complementario disponible Artículo CONICET Digital
Castro Grijalba, Alexander et al · Pergamon-Elsevier Science Ltd · 2015 · ISSN 0584-8547
A highly sensitive dispersive micro-solid phase extraction (D-μ-SPE) method combining an ionic liquid (IL) and multi-walled carbon nanotubes (MWCNTs) for inorganic As species (As(III) and As(V)) species separation and d...
Idioma eng
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Material complementario
Kernel-based dynamic ensemble approach for classifying imbalanced data with overlapping classes
Artículo
Acceso abierto Artículo DOAJ
Somiya Abokadr et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract In many real-world applications, binary and multi-class classification problems involving imbalanced data and overlapping boundaries present a significant challenge for traditional machine learning algorithms. I...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Open Access
Low-loss, geometry-invariant optical waveguides with near-zero-index materials
Artículo
Acceso abierto Artículo DOAJ
Wang Danqing et al · Wiley · 2022 · ISSN 2192-8614
Optical materials with nearly zero refractive indices have driven emerging applications ranging from geometry-invariant optical tunneling, nonlinear optics, optical cloaking to thermal emission manipulation. In conventio...
LCC TENDOlBoeXNpY3M~Idioma eng
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Management of War-Influenced Dispersed Teams
Artículo
Material complementario disponible Artículo DOAJ
Volodymyr Voloboiev · Vasyl Stefanyk Carpathian National University · 2025 · ISSN 2311-0155
The article is dedicated to the study of managing teams dispersed under the influence of war. Military aggression has led to the forced relocation of workforce teams, creating unique challenges for effective management o...
LCC TENDOkVkdWNhdGlvbg~~; TENDOkVjb25vbWljcyBhcyBhIHNjaWVuY2U~Idioma eng
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Neural network connectivity by optical broadcasting between III-V nanowires
Artículo
Acceso abierto Artículo DOAJ
Draguns Kristians et al · Wiley · 2025 · ISSN 2192-8614
Biological neural network functionality depends on the vast number of connections between nodes, which can be challenging to implement artificially. One radical solution is to replace physical wiring with broadcasting of...
LCC TENDOlBoeXNpY3M~Idioma eng
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Non-invasive assessment of PD-L1 status and histology in non-small cell lung cancer using 18F-FDG PET/CT radiomics
Artículo
Acceso abierto Artículo DOAJ
Bartłomiej Tomasik et al · BMC · 2026 · ISSN 1479-5876
Abstract Background Radiomics analysis of 18F-FDG PET/CT enables extraction of high-dimensional quantitative features that may serve as imaging biomarkers for tumor biology. In particular, in non-small cell lung cancer (...
LCC LCC:MedicineIdioma eng
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O Desempenho dos congressos Argentino e Brasileiro em perspectiva comparada The performance of the Argentinean and the Brazilian congress in a comparative perspective
Artículo
Acceso abierto Artículo DOAJ
Simone Diniz · Pontifícia Universidade Católica do Rio de Janeiro, Instituto de Relações Internacionais · 2005 · ISSN 0102-8529
LCC LCC:International relationsIdioma eng
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Open Access
Optical mode-controlled topological edge state in waveguide lattice
Artículo
Acceso abierto Artículo DOAJ
Zhou Changyu et al · Wiley · 2024 · ISSN 2192-8614
Topological edge state (TES) has emerged as a significant research focus in photonics due to its unique property of unidirectional transmission. This feature provides immunity to certain structural disorders or perturbat...
LCC TENDOlBoeXNpY3M~Idioma eng
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Optimization of Falcon concentrator for iron recovery from blast furnace sludge using Box–Behnken design
Artículo
Acceso abierto Artículo DOAJ
Çağrı Çerik · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract Blast furnace sludge (BFS) is an iron and carbon rich by-product whose direct recycling to ironmaking routes is often constrained by its fine particle size and the presence of volatile/corrosive species. This st...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Optimization of Span 80-Croduret 50-Propylene Glycol as Emulsifier of Dried Strawberry Juice (Fragaria vesca L.) Emulgel and Permeation Test Through Shed Snakeskin Membrane
Artículo
Material complementario disponible Artículo DOAJ
Dian Eka Ermawati et al · Universitas Gadjah Mada · 2026 · ISSN 1410-5918
Strawberry is a natural source of antioxidants with potential to inhibit melanin production in the skin. However, its application in topical formulations is limited by factors such as stability, skin permeability, and ef...
LCC LCC:MedicineIdioma eng
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PRMT1-methylated MSX1 phase separates to control palate development
Artículo
Acceso abierto Artículo DOAJ
Li Meng et al · Nature Portfolio · 2025 · ISSN 2041-1723
Abstract Little is known about the regulation and function of phase separation in craniofacial developmental disorders. MSX1 mutations are associated with human cleft palate, the most common craniofacial birth defect. He...
LCC TENDOlNjaWVuY2U~Idioma eng
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Partial purification of Exfoliative toxin of Stuphylococcus aureus Isolated from skin Infections
Artículo
Acceso abierto Artículo DOAJ
Sarab Alshamaa et al · University of Mosul, College of Education for Pure Science · 2019 · ISSN 1812-125X
Exfoliative toxins causes staphylococcal scalded skin syndrolne rvhich was characterized by a specific lntraepidermal separation of the skin layers. We describe here the extraction of the ETs from staphylococcus aureu...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Prediction of apparent metabolizable energy and metabolizable energy corrected for nitrogen of corn according to physical classification of the grain
Artículo
Acceso abierto Artículo DOAJ
Sandra Iara Furtado Costa Rodrigues et al · Sociedade Brasileira de Zootecnia · 2018 · ISSN 1806-9290
ABSTRACT The objective of this study was to develop an equation to determine the apparent metabolizable energy (AME) and metabolizable energy corrected for nitrogen balance (AMEn) using a physical-based classification of...
LCC LCC:Animal cultureIdioma eng
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Preschool Education and War: New Strategies and Challenges for Inclusion
Artículo
Acceso abierto Artículo DOAJ
Nataliia Semenova et al · Vasyl Stefanyk Carpathian National University · 2025 · ISSN 2311-0155
This article examines the challenges encountered by the Ukrainian preschool education system in organizing psychological and pedagogical support for children with special educational needs (SEN) amid the russian-Ukrainia...
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Removal of Cr (III) and Cr (VI) ions by adsorbent based on Titanium Dioxide
Artículo
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I. Mironyuk et al · Vasyl Stefanyk Carpathian National University · 2024 · ISSN 1729-4428
In this paper, the adsorption of trivalent chromium cations by a sample of sodium-modified TiO2 was studied. XRF analysis of the TiO2 surface was performed.  The dependence of the adsorption value on the duration of the...
LCC TENDOlBoeXNpY3M~Idioma eng
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Resolving spectral overlaps in Anti-Parkinson drug combinations: a green spectrophotometric approach for entacapone determination
Artículo
Material complementario disponible Artículo DOAJ
Haitham A. El Fiky et al · BMC · 2026 · ISSN 2661-801X
Abstract A selective and eco-friendly spectrophotometric approach was developed for the quantitative determination of entacapone (ENT) in the presence of its co-formulated drugs carbidopa (CAR) and levodopa (LEV) which e...
LCC TENDOkNoZW1pc3RyeQ~~Idioma eng
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Rhamnolipids biosurfactants as potential modulators of phase and partitioning behavior in micellar systems of aliphatic alcohol ethoxylate surfactants
Artículo
Acceso abierto Artículo CONICET Digital
Haidar, Carla Nahir et al · Elsevier Science · 2020 · ISSN 0167-7322
The impact of rhamnolipids (RL) biosurfactants presence on the phase-separation equilibrium, micellar properties and partitioning behavior of systems containing the aliphatic non-ionic surfactant Tergitol 15-S-7 (Tg7) wa...
Idioma eng
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Robust multiresonant nonlocal metasurfaces by rational design
Artículo
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Malek Stephanie C. et al · Wiley · 2025 · ISSN 2192-8614
Dielectric metasurfaces supporting optical resonances have become a promising platform for quantum and nonlinear optics. However, resonant metasurfaces remain limited in their capacity to independently control the behavi...
LCC TENDOlBoeXNpY3M~Idioma eng
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Sustainable Microextraction for Trace Determination of Aflatoxin M1 in Domestic Waters by High-Performance Liquid Chromatography with Fluorescence Detection (HPLC-FLD): A Computationally Optimized Design
Artículo
Material complementario disponible Artículo RI ITBA
Saini, Shivender Singh et al · Analytical Letters · 2026 · ISSN 00032719
"A rapid and sensitive analytical method for the trace determination of aflatoxin M1 in domestic waters was developed using chitosan as a sorbent and HPLC with fluorescence detection (HPLC-FLD). Computational simulations...
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The Legal Basis and Contextual Interpretation of the Duty of Care in Company Law in the Slovak Republic: from a “Gentlemanly Amateur” to a Professional Director?
Artículo
Acceso abierto Artículo DOAJ
Mária Patakyová et al · Karolinum Press · 2022 · ISSN 0323-0619
A director may slip into the fulfilment of their own (opportunistic) interests due to the separation of management and ownership in companies and the fact that the director does not bear the risk of the possible failure ...
LCC TENDOkxhdw~~Idioma ces
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The Turkish adaptation of the Child Occupational Self-Assessment Scale (COSA) and its psychometric properties in children with attention-deficit/hyperactivity disorder
Artículo
Acceso abierto Artículo DOAJ
Damla Ece Irmak et al · BMC · 2026 · ISSN 2050-7283
Abstract Background Occupational therapy practices are expanding in Turkey; however, pediatric professionals lack validated, client-centered assessment instruments for children with attention-deficit/hyperactivity disord...
LCC TENDOlBzeWNob2xvZ3k~Idioma eng
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The evolution of ultra-massive white dwarfs
Artículo
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Camisassa, María Eugenia et al · EDP Sciences · 2019 · ISSN 0004-6361
Ultra-massive white dwarfs are powerful tools used to study various physical processes in the asymptotic giant branch (AGB), type Ia supernova explosions, and the theory of crystallization through white dwarf asteroseism...
Idioma eng
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The role of high-resolution mass spectrometry in advancing the detection of SARMs and peptide hormones for sports antidoping
Artículo
Material complementario disponible Artículo DOAJ
Zhang Liqin · De Gruyter · 2026 · ISSN 2191-0189
The relentless pursuit of athletic excellence is shadowed by the equally persistent evolution of performance-enhancing drugs (PEDs). In recent years, the antidoping landscape has been profoundly shaped by the rise of two...
LCC TENDOkNoZW1pc3RyeQ~~Idioma eng
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The use of a fatty acid/β-Hydroxyester blend to enhance the surface hydrophilicity of crosslinked poly(ethylene glycol) coatings
Artículo
Acceso abierto Artículo CONICET Digital
Ruiz, Mariano Manuel et al · Elsevier Science SA · 2019 · ISSN 0300-9440
By reaction between stearic acid (SA) and a di-epoxidized oligomeric poly(ethylene glycol) under stoichiometric conditions, an amphiphilic β-hydroxyester (β-HE) bearing pendant alkyl chains was obtained with a typical ...
Idioma eng
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