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Browsing by Author "Martínez Haya, Rebeca"

Now showing items 1-20 of 20

A mechanistic study on the potential of quinolinium salts as photocatalysts for the abatement of chlorinated pollutants

Martínez-Haya, Rebeca; Sabater Marco, Consuelo; Castillo López, María-Ángeles; Miranda Alonso, Miguel Ángel; Marín García, Mª Luisa (Elsevier, 2018-06)

[EN] Photocatalytic degradation of three highly chlorinated contaminants, namely 2,4,6-trichlorophenol (TCP), 2,4,6-trichloroanisole (TCA) and 5-chloro-2-(2,4-dichlorophenoxy)phenol (triclosan, TCS) has been investigated ...
Breve introducción a la fotocatálisis homogénea: modos de activación y aplicaciones sintéticas

Marzo, L.; Martínez-Haya, Rebeca (Real Sociedad Espanola de Quimica, 2018)

[ES] La fotocatálisis es el área que se encarga del desarrollo de nuevos procesos sintéticos empleando la luz cómo fuente de energía. La mayoría de las moléculas no son capaces de absorber en la región del espectro de la ...
Degradación de contaminantes de la industria del corcho fotocatalizada por sales de pirilio y tiapirilio. Estudios fotoquímicos y fotofísicos

Martínez Haya, Rebeca (Universitat Politècnica de València, 2015-07-27)
Desarrollo de nuevos fotocatalizadores heterogéneos basados en sales de quinolinio y acridinio para la fotodegradación de contaminantes fenólicos

Hijarro Vercher, Alexandre (Universitat Politècnica de València, 2018-10-01)

[CA] L’agricultura és una de les activitats econòmiques més importants a l’Estat Espanyol i l’oliva és un dels cultius de major producció, essent la producció espanyola el 21% de la producció mundial total. El cultiu ...
Direct detection of the triphenylpyrylium-derived short-lived intermediates in the photocatalyzed degradation of acetaminophen, acetamiprid, caffeine and carbamazepine

Martínez-Haya, Rebeca; Gomis Vicens, Juan; Arqués Sanz, Antonio; Amat Payá, Ana María; Miranda Alonso, Miguel Ángel; Marín García, Mª Luisa (Elsevier, 2018-08-15)

[EN] Advanced oxidation processes are useful methodologies to accomplish abatement of contaminants; however, elucidation of the reaction mechanisms is hampered by the difficult detection of the short-lived primary key ...
Epoxy networks and hydrogels prepared from a,x-diamino terminated poly(oxypropylene)-b-poly(oxyethylene)-bpoly( oxypropylene) and polyoxypropylene bis(glycidyl ether)

Krakovský, Ivan; Martínez Haya, Rebeca; Gallego Ferrer, Gloria; Sabater i Serra, Roser; Mohan Dodda, Jagan (Elsevier, 2015-01)

A series of hydrophilic epoxy networks was prepared by reaction of a,x-diamino terminated polyoxypropylene-b-polyoxyethylene-b-polyoxypropylene of average molar mass 2000 g/mol with polyoxypropylene bis(glycidyl ether) of ...
Estudio de la fotodegradación de derivados fenólicos como modelos de contaminantes típicos de la industria aceitunera

Martínez Valero, Enrique (Universitat Politècnica de València, 2017-06-28)

[ES] La aceituna es un cultivo tradicional mediterráneo de notable peso económico para los países de la zona, que concentran la mayor parte de la producción mundial con España en cabeza. Ya sea para su consumo directo ...
Estudio mecanístico de la fotodegradación de contaminantes fenólicos empleando colorantes como fotocatalizadores orgánicos

Montés Gandia, Noelia (Universitat Politècnica de València, 2018-09-26)

[ES] El agua constituye uno de los elementos fundamentales de la vida que se está viendo afectado por la acción humana, debido a los altos niveles de contaminación. En concreto, las corrientes de aguas residuales procedentes ...
Estudio mecanístico de la fotodegradación de contaminantes fenólicos empleando sales de quinolinio y acridinio como fotocatalizadores orgánicos

Luna Mateo, María de las Mercedes (Universitat Politècnica de València, 2018-09-26)

[ES] El agua es un elemento fundamental para el sostenimiento de la vida. Sin embargo, la mayor parte del agua dulce va destinada a la industria agronómica, generando grandes corrientes acuosas con contaminantes en ...
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 ...
Investigation of new hydrophilic epoxy networks and hydrogels from them

Martínez Haya, Rebeca (Universitat Politècnica de València, 2013-05-13)

Consulta en la Biblioteca ETSI Industriales (9132)
Mechanistic Insight into the Light-Triggered CuAAC Reaction: Does Any of the Photocatalyst Go?

Martínez-Haya, Rebeca; Heredia, Adrian A.; Castro-Godoy, Willber D.; Schmidt, Luciana C.; Marín García, Mª Luisa; Argüello, Juan E. (American Chemical Society, 2021-04-16)

[EN] The attainment of transition-metal catalysis and photoredox catalysis has represented a great challenge over the last years. Herein, we have been able to merge both catalytic processes into what we have called "the ...
Metal-Free Photocatalytic Reductive Dehalogenation Using Visible-Light: A Time-Resolved Mechanistic Study

Martínez-Haya, Rebeca; Miranda Alonso, Miguel Ángel; Marín García, Mª Luisa (John Wiley & Sons, 2017)

[EN] The reductive dehalogenation of organic bromides has been achieved in the presence of riboflavin (RF) as photocatalyst under visible-light irradiation. Specifically, benzyl bromide (2) and -bromoacetophenone (3) were ...
Photocatalytic degradation of phenolic pollutants using N-methylquinolinium and 9-mesityl-10-methylacridinium salts

Martínez-Haya, Rebeca; Luna, M. M.; Hijarro, A.; Martinez-Valero, E.; Miranda Alonso, Miguel Ángel; Marín García, Mª Luisa (Elsevier, 2019-05-15)

[EN] The photodegradation of a mixture of phenolic pollutants including: phenol (P), orto-phenylphenol (OPP), 2,4,6-trichlorophenol (TCP) and pentachlorophenol (PCP) was accomplished using two organic cationic photocatalysts, ...
Photoredox catalysis for environmental and chemical applications. A mechanistically-based approach

Martínez Haya, Rebeca (Universitat Politècnica de València, 2019-01-04)

En las últimas décadas, los procesos redox fotoinducidos mediados por luz visible han recibido gran atención debido a las suaves condiciones de operación en que se llevan a cabo. Como resultado, se han logrado posicionar ...
Reinforcing an Injectable Gelatin Hydrogel with PLLA Microfibers: Two Routes for Short Fiber Production

POVEDA-REYES, SARA; Mellera-Oglialoro, Leonardo Rubén; Martínez-Haya, Rebeca; Gamboa Martínez, Tatiana Carolina; Gómez Ribelles, José Luís; Ferrer, G.G. (John Wiley & Sons, 2015)

[EN] Short poly-l-lactic acid (PLLA) microfibers have been produced in order to disperse them into the gelatin solution and enable injection in the tissue defect prior to gel formation. Two methods for fabrication of loose ...
Reinventing the De Mayo reaction: synthesis of 1,5-diketones or 1,5-ketoesters via visible light [2+2] cycloaddition of beta-diketones or beta-ketoesters with styrenes

Martínez-Haya, Rebeca; Marzo, L.; König, B. (The Royal Society of Chemistry, 2018-10-21)

[EN] A visible light mediated De Mayo reaction between 1,3-diketones and styrenes following a [2+2] cycloaddition pathway via a photosensitization mechanism gives access to 1,5-diketones. The reaction has been applied to ...
Time-resolved kinetic assessment of the role of singlet and triplet excited states in the photocatalytic treatment of pollutants at different concentrations

Martínez-Haya, Rebeca; Gomis, J.; Arques Sanz, Antonio; Marín García, Mª Luisa; Amat Payá, Ana María; Miranda Alonso, Miguel Ángel (Elsevier, 2017)

[EN] A kinetic-based rationale to assess the role of each excited species in thermodynamically favoured photocatalytic processes at different pollutant concentrations, has been developed and illustrated with new experimental ...
Type I vs Type II photodegradation of pollutants

Martínez-Haya, Rebeca; Miranda Alonso, Miguel Ángel; Marín García, Mª Luisa (Elsevier, 2018-09-01)

[EN] Rose Bengal (RB) is a widely used photocatalyst due to its high quantum yield of singlet oxygen (O-1(2)) formation. Hence, when RB has been employed for wastewater remediation, the observed photodegradation has been ...
Una perspectiva histórica y epistemológica de los estudios de ciencia y género y su uso en el aula de ciencias

Martínez-Haya, Rebeca (Real Sociedad Española de Química, 2019-03)

[ES] En los años 60 del pasado siglo y en consonancia con la segunda ola del feminismo, surgen los primeros estudios de ciencia y género. Estos estudios abarcan diferentes enfoques que relacionan la presencia de la mujer ...