Browsing by Subject "Oxidation"
Now showing items 1-20 of 36
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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
Open AccessOxidation 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
Open AccessNanostructured 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 ... -
Asymmetric sulfoxidation by engineering the heme pocket of a dye-decolorizing peroxidase
(Royal Society of Chemistry, 2016-05-23)
Article
Open AccessThe 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 ... -
Avocado seed: A comparative study of antioxidant content and capacity in protecting oil models from oxidation
(2018-09-21)
Article
Open AccessIncreasingly, 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, ... -
Comportament a alta temperatura d'aliatges de titani per aplicacions en el sector aeroespacial
(Universitat Politècnica de Catalunya, 2017-10)
Bachelor thesis
Open AccessEn 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 ... -
Corn starch and gelatin-based films added with guabiroba pulp for application in food packaging
(Elsevier Ltd, 2019-03-01)
Article
Restricted access - publisher's policyThe 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)
Conference lecture
Open AccessBisphenol 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 ... -
Elucidating the chemical nature of laccase-modified alkyl gallates
(Universidade de Aveiro, 2018)
Conference lecture
Restricted access - publisher's policyIn 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)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement -
Environment related surface phenomena and their influence on properties of Ti-6Al-4V and Ti-6Al-2Sn-4Zr-2Mo : oxidation at elevated temperature and corrosion during chemical treatment
(Universitat Politècnica de Catalunya, 2016-09-29)
Doctoral thesis
Open Access
Covenantee: Luleå tekniska universitetThis thesis covers investigation of the surface phenomena of Ti-6Al-4V and Ti-6Al-2Sn-4Zr-2Mo alloys related with oxidation at elevated temperature and corrosion during chemical treatment in hydrofluoric-nitric acid (HF/HNO3) ... -
Estudi de la interacció metall-suport en catalitzadors Au/CeO2 a través de les reaccions d'oxidació de CO i CO-PrOx per a la purificació d'hidrogen
(Universitat Politècnica de Catalunya, 2017-09)
Open AccessL’hidrogen, en un món on cada vegada s’utilitzen menys recursos amb contingut de carboni, es perfila com a actor principal en el marc energètic, i cada vegada serà més explotat com a al·limentació en les PEMFC (Polymer ... -
Evolution of pyrrhotite oxidation in aggregates for concrete
(2014-11-17)
Article
Open AccessRocks containing pyrrhotite bands are sometimes used to produce concrete. These rocks oxidize and produce long-term expansive reactions that damage concrete structures, leading to important economic and risk related ... -
Improving selective thermal emission properties of three-dimensional macroporous silicon through porosity tuning
(American Institute of Physics, 2008-08-27)
Article
Restricted access - publisher's policyWe present a theoretical and experimental study on the effect of progressive porosity increase, through multiple oxidation/oxide removal steps, upon the optical characteristics in threedimensional macroporous silicon. ... -
Improving the Oxidative Stability of a High Redox Potential Fungal Peroxidase by Rational Design
(PLoS, 2015-04-29)
Article
Open AccessLigninolytic peroxidases are enzymes of biotechnological interest due to their ability to oxidize high redox potential aromatic compounds, including the recalcitrant lignin polymer. However, different obstacles prevent ... -
Increased conductivity of a hole transport layer due to oxidation by a molecular nanomagnet
(American Institute of Physics, 2008-05-14)
Article
Restricted access - publisher's policyThin film transistors based on polyarylamine poly?N,N?-diphenyl-N,N ?bis?4-hexylphenyl?- ?1,1?biphenyl?-4,4?-diamine ?pTPD? were fabricated using spin coating in order to measure the mobility of pTPD upon oxidation. ... -
Increased conductivity of a hole transport layer due to oxidation by a molecular nanomagnet - art. no. 096110
(American Institute of Physics (AIP), 2008-05)
Article
Restricted access - publisher's policyThin film transistors based on polyarylamine poly(N,N'-diphenyl-N,N'bis(4-hexylphenyl)-[1,1'biphenyl]-4,4'-diamine (pTPD) were fabricated using spin coating in order to measure the mobility of pTPD upon oxidation. Partially ... -
Influence of cyclic thermal treatments on the oxidation behavior of Ti-6Al- 2Sn-4Zr-2Mo alloy
(2018-11-01)
Article
Restricted access - publisher's policyTi-6Al-2Sn-4Zr-2Mo is one of the most common titanium alloys for aerospace industry. This alloy experiences oxidation phenomenon at elevated temperatures. In the present study, cyclic thermal treatments were performed in ... -
Influence of cyclic thermal treatments on the oxidation behavior of Ti-6Al-2Sn-4Zr-2Mo alloy
(2018-11-01)
Article
Restricted access - publisher's policyTi-6Al-2Sn-4Zr-2Mo is one of the most common titanium alloys for aerospace industry. This alloy experiences oxidation phenomenon at elevated temperatures. In the present study, cyclic thermal treatments were performed in ... -
Macroporous silicon microreactor for the preferential oxidation of CO
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyA macroporous silicon micromonolith containing ca. 40,000 regular channels of 3.3 μm in diameter per square millimeter has been successfully functionalized with an Au/TiO2 catalyst for CO preferential oxidation (CO-PrOx) ... -
Magnetite-supported palladium single-atoms do not catalyse the hydrogenation of alkenes but small clusters do
(2016-01-01)
Article
Open AccessThe activity of supported noble metal catalysts strongly depends on the particle size. The ultimate small-size limit is the single-atom catalyst (SAC), which maximizes the catalytic efficiency in the majority of the examples. ...
