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Listar por palabra clave "Surface chemistry"

Mostrando ítems 1-13 de 13

A comparison between oxidation of activated carbon by electrochemical and chemical treatments

Berenguer, Raúl; Marco-Lozar, Juan Pablo; Quijada Tomás, Cesar; Cazorla-Amoros, Diego; Morallón, Emilia (Elsevier, 2012)

The anodic oxidation of a granular activated carbon (GAC) in NaCl solution has been studied. The influence of the electrocatalyst-anode material, applied current and time of treatment on both the surface chemistry and ...
Conversion of Methane into C1 Oxygenates by Deep-UV Photolysis on SolidSurfaces: Influence of the Nature of the Solid and Optimization of PhotolysisConditions

Sastre Calabuig, Francesc; Fornes Seguí, Vicente; Corma Canós, Avelino; García Gómez, Hermenegildo (Wiley-VCH Verlag, 2012)

[EN] Deep-UV photolysis (either 165 or 185 nm) of surface hydroxy groups leads to homolytic O H bondcleavage with the generation of oxyl radicals that can initiate the room-temperature radical-chain methane activation. ...
Designing stable lead halide perovskite nanocrystals: From a single particle to nanocomposites

Collantes-Pablo, Cynthia; Teixeira, William; González-Pedro, Victoria; Bañuls Polo, María-José; Maquieira, Angel (Elsevier BV, 2023-04)

[EN] Metal halide perovskite nanocrystals have attracted substantial interest given their easy manufacturing, superior Photoluminiscence Quantum Yield and striking optical properties. Despite the huge potential of such ...
Direct and label-free monitoring oligonucleotide immobilization, non-specific binding and DNA biorecognition

López Paz, José Luis; González Martínez, Miguel Ángel; Escorihuela Fuentes, Jorge; Bañuls Polo, Mª José; Puchades Pla, Rosa; Maquieira Catala, Ángel (Elsevier, 2014-03-01)

DNA binding chemistry on silicon surface has been investigated. Aminated oligonucleotide probes were immobilized on the chip surface by chemical silanization and further covalent attachment. The chemistries employed were ...
Fibrinogen organization at the cell-material interface directs endothelial cell behavior

Gugutkov, Dencho; González García, Cristina; Altankov, George; Salmerón Sánchez, Manuel (SAGE Publications, 2011)

[EN] Fibrinogen (FG) adsorption on surfaces with controlled fraction of -OH groups was investigated with AFM and correlated to the initial interaction of primary endothelial cells (HUVEC). The -OH content was tailored ...
Heterogeneous riboflavin-based photocatalyst for pollutant oxidation through electron transfer processes

Cabezuelo-Gandia, Oscar; Martínez-Haya, Rebeca; Montes, Noelia; Bosca Mayans, Francisco; Marín García, Mª Luisa (Elsevier, 2021-12-05)

[EN] Organic photocatalysts could employ visible light to produce photodegradation of pollutants; however, their low photostability prevents their reuse even when they are supported on solid materials. Herein, to obtain a ...
Improvement of adhesion properties of polypropylene substrates by methylmethacrylate UV photografting surface treatment

Balart Gimeno, Javier Francisco; Fombuena Borrás, Vicent; España, J.M.; Sánchez Nacher, Lourdes; Balart Gimeno, Rafael Antonio (Elsevier, 2012-01)

Polypropylene is a widely used commodity plastic from an industrial point of view. Typical applications include both low and high technological content, as it has a good balance between overall properties, processability ...
Improvement of liquid absorption properties of nonwoven polypropylene substrates by low pressure plasma treatment with CH4-O2 mixture gas

López, R.; Pascual Payá, Mónica; García Sanoguera, David; Sánchez Nacher, Lourdes; Balart Gimeno, Rafael Antonio (Springer Verlag (Germany), 2012-11)

The use of nonwoven textile substrates for filtration and absorption purposes is generalized due to the high surface area they can provide. Many of these applications require good wetting properties to increase efficiency. ...
Ketone Formation from Carboxylic Acids by Ketonic Decarboxylation: The Exceptional Case of the Tertiary Carboxylic Acids

Oliver-Tomás, Borja; Renz, Michael; Corma Canós, Avelino (John Wiley & Sons, 2017-09-18)

[EN] For the reaction mechanism of the ketonic decarboxylation of two carboxylic acids, a -keto acid is favored as key intermediate in many experimental and theoretical studies. Hydrogen atoms in the -position are an ...
Logic Functions with Stimuli-Responsive Single Nanopores

Ramirez Hoyos, Patricio; Cervera Montesinos, Javier; Ali, Mubarak; Ensinger, Wolfgang; Mafé, Salvador (John Wiley & Sons, 2014)

[EN] We present the concept of logic functions based on a single stimuli-responsive nanopore and analyze its potential for electrochemical transducers and actuators. The responsive molecules at the surface of the polymeric ...
Organometallic Nanoparticles Ligated by NHCs: Synthesis, Surface Chemistry and Ligand Effects

Cerezo-Navarrete, Christian; Lara, Patricia; Martínez-Prieto, Luis Miguel (MDPI AG, 2020-10)

[EN] Over the last 20 years, the use of metallic nanoparticles (MNPs) in catalysis has awakened a great interest in the scientific community, mainly due to the many advantages of this kind of nanostructures in catalytic ...
Tailoring the surface chemistry of activated carbon cloth by electrochemical methods

Tabti, Zakaria; Ruiz-Rosas, Ramiro; Quijada Tomás, Cesar; Cazorla-Amorós, Diego; Morallón, Emilia (American Chemical Society, 2014-07-23)

This paper presents a systematic study of the effect of the electrochemical treatment (galvanostatic electrolysis in a filter-press electrochemical cell) on the surface chemistry and porous texture of commercial activated ...
Tuning the catalytic properties of graphene-supported Ru nanoparticles using N-heterocyclic carbenes ligands derived from pyrene

García Zaragoza, Adrián (Universitat Politècnica de València, 2021-09-17)

[ES] Desde hace más de 20 años, las nanopartículas metálicas (MNPs, del inglés metalic nanoparticles) soportadas han suscitado un interés creciente en el campo de la catálisis debido a sus excelentes características. Por ...