Buscar recursos académicos

Encontrá libros, artículos, revistas, tesis y otros recursos académicos. Buscá, elegí el resultado correcto y accedé al contenido.

Qué reúne NODOVOX Discovery: catálogos institucionales, recursos electrónicos, revistas de acceso abierto, colecciones disponibles y enlaces de consulta académica.

Resultados

120 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
Búsqueda académica
Catalysts based on nickel salt heteropolytungstates for selective oxidation of diphenyl sulfide
Artículo
Acceso abierto Artículo CONICET Digital
Muñoz, Mercedes et al · De Gruyter · 2023 · ISSN 2191-9550
Nickel salts of Keggin heteropolytungstates with the general formula NixAyW12−yO39or40 (A = Si/P) were synthesized and studied as bulk catalytic materials or supported ones by deposition on modified and functionalized ...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
A biochar catalyst with functional Brønsted–Lewis acid sites for enhancing hydroxymethylfurfural production from glucose
Artículo
Acceso abierto Artículo DOAJ
Kamonwat Nakason et al · KeAi Communications Co., Ltd · 2026 · ISSN 2772-4433
The sustainable production of 5-hydroxymethylfurfural (HMF) from glucose remains a major challenge in advancing bio-based chemical platforms. Despite extensive research, achieving high HMF yields in environmentally frien...
LCC TENDOkNoZW1pY2FsIHRlY2hub2xvZ3k~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Acid functionalized carbons as catalyst for glycerol etherification with benzyl alcohol
Artículo
Acceso abierto Artículo CONICET Digital
Chiosso, María E. et al · Brazilian Society of Chemical Engineering · 2020 · ISSN 0104-6632
In this paper, the catalytic behaviour of two different carbonaceous systems, commercial carbon (Cc) and synthetic carbon (Cs) functionalized with concentrated sulfuric acid (–SO3H) and with reduced aryl diazonium salt...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Advances in the application and mechanism of metal-based catalysts in catalytic ozonation
Artículo
Material complementario disponible Artículo DOAJ
YANG Yuting et al · Editorial Office of Industrial Water Treatment · 2026 · ISSN 1005-829X
Heterogeneous catalytic ozonation(HCO) has garnered significant attention in the field of water treatment due to its exceptional capability to mineralize organic pollutants. This technology enhances the degradation and m...
LCC TENDOkVudmlyb25tZW50YWwgdGVjaG5vbG9neS4gU2FuaXRhcnkgZW5naW5lZXJpbmc~Idioma zho
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
An evaluation of the performance characteristics of SCR utilizing a Fe2O3–SiO2/Al2O3 synthesized catalyst for effective diesel engine exhaust emission reduction
Artículo
Material complementario disponible Artículo DOAJ
S. Premkumar et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract Selective Catalytic Reduction (SCR) helps to reduce Nitrogen Oxide (NO) emissions from diesel engines using catalytic materials made of thermally stable non-precious metals. A dual support SCR catalyst using iro...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Catalytic activity of Pt-Re-Pb/Al2O3 naphtha reforming catalysts
Artículo
Acceso abierto Artículo CONICET Digital
Sánchez, María Amparo et al · John Wiley & Sons Ltd · 2011 · ISSN 1198-1204
Background: The main purpose of the naphtha reforming process is to obtain high octane naphtha, aromatic compounds and hydrogen. The catalysts are bifunctional in nature, having both acid and metal sites. The metal funct...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Catalytic oxidation of diesel soot: New characterization and kinetic evidence related to the reaction mechanism on K/CeO2 catalyst
Artículo
Acceso abierto Artículo CONICET Digital
Gross, Martin Sebastian et al · Elsevier Science · 2009 · ISSN 0926-860X
The oxidation of diesel soot using K/CeO2 catalysts is studied in this paper. The reaction system involved in the catalytic oxidation of soot is quite complex; therefore, the study of reaction mechanisms is particularly ...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Chelating agent effects in the synthesis of supported Ni nanoparticles as catalysts for hydrogen production
Artículo
Material complementario disponible Artículo CONICET Digital
Villagran Olivares, Alejandra Catalina et al · Elsevier Science · 2021 · ISSN 0926-860X
A series of Ni supported over MgAl2O4–CeO2 catalysts have been prepared by the wet impregnation method as catalysts for steam ethanol reforming. The synthesis was performed using nitrilotriacetic acid (NTA) or citric a...
Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Co-Ru bimetallic nanoparticles/oxygen deficient perovskite oxides as a highly efficient anode catalyst layer for direct-methane solid oxide fuel cells
Artículo
Acceso abierto Artículo CONICET Digital
Zhang, Wei et al · Elsevier Science SA · 2024 · ISSN 1385-8947
The ever-increasing production of natural gas has underscored the potential of methane-fueled solid oxide fuel cells (SOFCs) as feasible energy conversion devices. Herein, we present an internal reforming catalyst consis...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Coal tar pitch–derived hierarchically porous Fe–N co-doped graphene as an electrocatalyst for oxygen reduction reaction
Artículo
Material complementario disponible Artículo DOAJ
Tingwei Zhang et al · Elsevier · 2026 · ISSN 1452-3981
Fe-N-C catalysts are highly competitive alternatives to noble-metal catalysts for the oxygen reduction reaction (ORR). Herein, an efficient Fe and N co-doped three-dimensional graphene (Fe-N-G) catalyst that possesses a ...
LCC TENDOkluZHVzdHJpYWwgZWxlY3Ryb2NoZW1pc3RyeQ~~; TENDOlBoeXNpY2FsIGFuZCB0aGVvcmV0aWNhbCBjaGVtaXN0cnk~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Continuous-flow carbonyl hydrogenation under subatmospheric to atmospheric hydrogen pressure enabled by robust heterogeneous Pt–Fe catalysts
Artículo
Acceso abierto Artículo DOAJ
Hiroyuki Miyamura et al · Beilstein-Institut · 2026 · ISSN 1860-5397
The reduction of carbonyl compounds, including ketones and aldehydes, to alcohols is a fundamental and important reaction in organic synthesis. One of the most ideal methods is catalytic hydrogenation, however, the hydro...
LCC TENDOlNjaWVuY2U~; LCC:Organic chemistryIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Highly Robust Membrane Electrode Assembly Using Engineered Dual‐Phase Iridium Oxide Catalysts Breaking the Activity–Durability Trade‐Off in Proton Exchange Membrane Water Electrolysis
Artículo
Acceso abierto Artículo DOAJ
Ho Seong Yang et al · Wiley · 2026 · ISSN 2198-3844
ABSTRACT Proton exchange membrane water electrolysis (PEMWE) is a compelling route for sustainable green hydrogen production. Yet Ir‐based oxygen evolution reaction (OER) catalysts suffer from a persistent trade‐off ...
LCC TENDOlNjaWVuY2U~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Industrial tea-waste-derived carbon as a support material for Pt/C electrocatalysts in PEM fuel cells
Artículo
Acceso abierto Artículo DOAJ
Gökçen Akgül et al · Elsevier · 2026 · ISSN 1452-3981
In this work, we report a class of high surface area biomass derived carbon material- (BCMs) obtained from industrial black tea process waste biomass (TW) as a support for synthesis of the nanoparticulate Pt supported on...
LCC TENDOkluZHVzdHJpYWwgZWxlY3Ryb2NoZW1pc3RyeQ~~; TENDOlBoeXNpY2FsIGFuZCB0aGVvcmV0aWNhbCBjaGVtaXN0cnk~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Mesoporous carbon supported PtRu as anode catalyst for direct methanol fuel cell: Polarization measurements and electrochemical impedance analysis of mass transport
Artículo
Acceso abierto Artículo CONICET Digital
Bruno, Mariano Martin et al · Elsevier · 2013 · ISSN 4116-4123
The performance of membrane electrode assembly (MEA) prepared with PtRu nanoparticles supported on a mesoporous carbon as anode catalyst are presented and compared against PtRu synthesized over Vulcan carbon. Polarizatio...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Optimal H2O2 concentration in advanced oxidation over titanium dioxide photocatalyst
Artículo
Acceso abierto Artículo DOAJ
Nazarii Danyliuk et al · Vasyl Stefanyk Carpathian National University · 2021 · ISSN 1729-4428
The oxidative degradation of Rhodamine B dye under ultraviolet irradiation was studied. The degradation rate was measured with using of smartphone camera. Photocatalytic degradation of the Rhodamine B dye over the P25-Ti...
LCC TENDOlBoeXNpY3M~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Palladium immobilized on CdFe2O4 as highly efficient, reusable, and organic–inorganic hybrid catalyst for the synthesis of pyridine derivatives
Artículo
Material complementario disponible Artículo DOAJ
Mohammad abushuhel et al · Springer · 2026 · ISSN 2731-9229
Abstract This research investigates the synthesis and characterization of a unique Cy@TC-Pd complex immobilized on CdFe2O4 nanoparticles. A palladium-based catalyst, supported on magnetite nanoparticles, was successfully...
LCC LCC:Materials of engineering and construction. Mechanics of materialsIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Pd–Pt alloy/WO₃–rGO nanocomposite as efficient catalyst for the oxygen reduction reaction in PEM fuel cells
Artículo
Material complementario disponible Artículo DOAJ
Jing Li · Elsevier · 2026 · ISSN 1452-3981
Developing cost-effective and highly durable electrocatalysts to overcome the sluggish kinetics of the oxygen reduction reaction (ORR) is critical for the promotion of proton exchange membrane fuel cells (PEMFCs). In thi...
LCC TENDOkluZHVzdHJpYWwgZWxlY3Ryb2NoZW1pc3RyeQ~~; TENDOlBoeXNpY2FsIGFuZCB0aGVvcmV0aWNhbCBjaGVtaXN0cnk~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Platinum Nanoparticles Supported on Activated Carbon Catalysts for the Gas- phase Hydrodechlorination of Dichloromethane: Influence of Catalyst Composition and Operating Conditions
Artículo
Acceso abierto Artículo DOAJ
María Ariadna Álvarez-Montero et al · SAGE Publishing · 2016 · ISSN 1847-9804
DCM is classified among the most hazardous atmospheric pollutants and therefore, the development of safe methods for the disposal of residual DCM is of great importance. Activated carbon- supported catalysts containing p...
LCC LCC:Materials of engineering and construction. Mechanics of materials; TENDOlRlY2hub2xvZ3k~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Real-time monitoring of CO2 reduction on supported catalysts using near-surface molecular beam mass spectrometry (ns-MBMS)
Artículo
Acceso abierto Artículo DOAJ
Jawaher Mosrati et al · Elsevier · 2026 · ISSN 2212-9839
Near-surface molecular-beam mass spectrometry (ns-MBMS) is a highly sensitive and non-destructive method for temporal monitoring of catalytic conversions on solid surfaces, yet not widely applied in heterogeneous catalys...
LCC TENDOlRlY2hub2xvZ3k~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Theoretical understanding of water splitting by analyzing nanocatalyst photoabsorption spectra
Artículo
Acceso abierto Artículo DOAJ
Gollapalli Prince et al · Wiley · 2025 · ISSN 2192-8614
Photons can be used to either monitor or induce catalysis by acting as photoexcited holes or quasi particles, which aid in water splitting reaction leading to a major step towards sustainable energy. However, the mechani...
LCC TENDOlBoeXNpY3M~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Trifluoromethanesulfonic acid immobilized on zirconium oxide obtained by the sol-gel method as catalyst in paraben synthesis
Artículo
Material complementario disponible Artículo CONICET Digital
Blanco, Mirta Noemi et al · Elsevier Science · 2011 · ISSN 0926-860X
The parabens, alkylic esters of p-hydroxybenzoic acid, were synthesized using trifluoromethanesulfonic acid immobilized on zirconium oxide (zirconia) as catalyst. The oxide was obtained by the sol–gel method, using ure...
Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Case Report: Anti-PD-1 therapy as a catalyst for the rapid transformation of a hepatic nodule into HCC: a “soil and seed” paradox in metachronous triple primary malignancies?
Artículo
Material complementario disponible Artículo DOAJ
Xian Yang et al · Frontiers Media S.A · 2026 · ISSN 1664-3224
Multiple primary malignancies (MPMs) are increasingly recognized, yet the impact of immune checkpoint inhibitors (ICIs) on the evolution of metachronous tumors remains poorly understood. Here, we report a rare case of me...
LCC LCC:Immunologic diseases. AllergyIdioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Microwave-assisted One-Pot Synthesis of 2-Aryl (1H) Benzimidazoles without Catalyst
Artículo
Material complementario disponible Artículo DOAJ
Jassim Mohammed Abdullah et al · University of Mosul, College of Education for Pure Science · 2012 · ISSN 1812-125X
ABSTRACT We described a simple, fast and efficient procedure for solvent free Microwave-assisted one pot synthesis of a series of 2-aryl-H-bezimidazoles by condensation of o-Phenylenediamine with suitable aromatic aldehy...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
AI-accelerated discovery of defect-engineered heteroatom-doped carbon electrocatalysts for electrochemical CO₂ reduction to C₂⁺ products
Artículo
Material complementario disponible Artículo DOAJ
Mohammad Fazle Rabbi · Elsevier · 2026 · ISSN 2212-9839
Selective electrochemical CO₂ reduction to multi-carbon products remains a central bottleneck for carbon-neutral chemical manufacturing, with most catalysts achieving C₂⁺ Faradaic efficiencies below 75%. This inves...
LCC TENDOlRlY2hub2xvZ3k~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario