Exploració per tema "Oxidació"
Ara es mostren els items 1-20 de 58
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Aggregate expansivity due to sulfied oxidation - I. Reaction system and rate model
(Aggregate expansivity due to sulfied oxidation - I. Reaction system and rate model, 1996)
Article
Accés obertOxidation and hydration of sulfides in aggregate materials can yield to expansive reactions that affect the durability of concrete. This process is, in principle, independent from the potential alkali-aggregate reactivity, ... -
Amorphous carbon modified nano-sized tungsten carbide as a gas diffusion electrode catalyst for the oxygen reduction reaction
(2015-01-01)
Article
Accés obertNanostructured tungsten carbide with high surface area and containing amorphous carbon is prepared by a low temperature combustion synthesis method. The nanostructured tungsten carbide is used as the catalyst in a gas ... -
Aromatic stacking interactions govern catalysis in aryl-alcohol oxidase
(FEBSPress, 2015-02-23)
Article
Accés obertAryl-alcohol oxidase (AAO, EC 1.1.3.7) generates H2O2 for lignin degradation at the expense of benzylic and other π system-containing primary alcohols, which are oxidized to the corresponding aldehydes. Ligand diffusion ... -
Assessment of a sulfite/iron/UV-A system in urban wastewater disinfection
(OmniaScience, 2021-03)
Text en actes de congrés
Accés obert -
Asymmetric sulfoxidation by engineering the heme pocket of a dye-decolorizing peroxidase
(Royal Society of Chemistry, 2016-05-23)
Article
Accés obertThe so-called dye-decolorizing peroxidases (DyPs) constitute a new family of proteins exhibiting remarkable stability. With the aim of providing them new catalytic activities of biotechnological interest, the heme pocket ... -
Avaluació de sistemes d'electrodiàlisi per aplicacions industrials
(Universitat Politècnica de Catalunya, 2021-01-13)
Treball Final de Grau
Accés restringit per decisió de l'autorLa presència d’ions nitrogenats a les aigües d’arreu del món augmenta a mesura que passa el temps des de que es té coneixement de l’existència de dits ions. De la mateixa manera augmenta el control mediambiental i les ... -
Avocado seed: A comparative study of antioxidant content and capacity in protecting oil models from oxidation
(2018-09-21)
Article
Accés obertIncreasingly, consumers want products containing little or no synthetic compounds. Avocado seeds, which are a residue of the food industry, could be used to obtain extracts with high antioxidant power. In the present study, ... -
Bioadsorció de Pb(II) mitjançant pell de taronja químicament modificada
(Universitat Politècnica de Catalunya, 2016-05)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Caracterización físico-térmica del proceso de degradación durante la transformación de un film de LLDPE destinado a la fabricación de bolsas
(2021-09-29)
Article
Accés obertCon este estudio se pretende analizar el comportamiento que presenta un LLDPE comercial, que se utiliza para la fabricación de bolsas, frente al proceso de degradación termo-oxidativa que sufre cada vez que se somete a un ... -
CO Total and Preferential Oxidation over Stable Au/TiO2 Catalysts Derived from Preformed Au Nanoparticles
(2020-09-07)
Article
Accés obertCO preferential oxidation (PROX) is an effective method to clean reformate H2 streams to feed low-temperature fuel cells. In this work, the PROX and CO oxidation reactions were studied on preformed Au nanoparticles (NPs) ... -
Comportament a alta temperatura d'aliatges de titani per aplicacions en el sector aeroespacial
(Universitat Politècnica de Catalunya, 2017-10)
Treball Final de Grau
Accés obertEn aquest treball s’estudien els fenòmens d’oxidació que tenen lloc en l’aliatge de titani Ti-6Al-4V quan és sotmet a tractaments tèrmics cíclics a elevades temperatures, per tal de simular condicions en servei que pot ... -
Computer-aided laccase engineering: toward biological oxidation of arylamines
(ACS Publications, 2016-07-08)
Article
Accés obertOxidation of arylamines, such as aniline, is of high industrial interest and laccases have been proposed as biocata-lysts to replace harsh chemical oxidants. However, the reaction is hampered by the redox potential of the ... -
Corn starch and gelatin-based films added with guabiroba pulp for application in food packaging
(Elsevier Ltd, 2019-03-01)
Article
Accés obertThe guabiroba pulp (GP) has natural antioxidant compounds, such as phenolic compounds and ascorbic acid. The aim of this work was to produce an active biodegradable film based on blends of gelatin (GEL) and corn starch ... -
Degradation and mineralization of Bisphenol A by the photo fenton process
(2014)
Comunicació de congrés
Accés obertBisphenol A (BPA; 2,2-bis (4-hydroxyphenyl) propane) is an industrial organic chemical basically used in the plastics industry as a monomer for producing epoxy resins and polycarbonates [1,2]. It is also a well-known endocrine ... -
Effect of Neem (Azadirachta indica L.) on lipid oxidation in raw chilled beef patties
(2019-08-01)
Article
Accés obertThe aim of this study was to determine the total polyphenol content, radical scavenging and antimicrobial activities of Azadirachta indica (A. indica) and to evaluate their effect on shelf-life stability of raw beef patties ... -
Effects of external global noise on the catalytic CO oxidation on Pt (110)
(American Institute of Physics (AIP), 2009-02-26)
Article
Accés obertOxidation reaction of CO on a single platinum crystal is a reaction-diffusion system that may exhibit bistable, excitable, and oscillatory behavior. We studied the effect of a stochastic signal artificially introduced into ... -
Efficient operation of photo-Fenton process for the treatment of emerging contaminants in water solutions
(Universitat Politècnica de Catalunya, 2013-10-24)
Tesi
Accés obertThe growth of population density in some areas of the planet and the increasing fast advances in technology and energy issues, have resulted in a remarkable increment in the necessity for goods and services, with a subsequent ... -
Eliminación del herbicida cianazina en agua mediante métodos de oxidación avanzada
(Universitat Politècnica de Catalunya, 2009-06-18)
Projecte/Treball Final de Carrera
Accés obertAquest projecte pretén contribuir a millorar la qualitat de l’aigua contaminada amb l’herbicida Cianazina que té una gran aplicació en l’agricultura actual. A l’actualitat hi ha un elevat número d’estudis que tracten de ... -
Elucidating the chemical nature of laccase-modified alkyl gallates
(Universidade de Aveiro, 2018)
Comunicació de congrés
Accés restringit per política de l'editorialIn the present work we investigated the chemical changes undergone by enzyme-oxidized lauryl gallate (LG, dodecyl 3,4,5,-trihydroxybenzoate) by using Fourier transform infrared (FTIR) spectroscopy, and an oxidation mechanism ... -
Entwicklung von Platin-MMC Elektrodenwerkstoffen für Zündkerzen
(Universitat Politècnica de Catalunya / Universität Saarlandes, 2008)
Projecte/Treball Final de Carrera
Accés restringit per acord de confidencialitat