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Browsing per Sponsorship "Dirección General de Investigación Científica y Técnica"

Now showing items 1-20 of 105

[Cr(dpa)(ox)2]-: a new bis-oxalato building block for the design of heteropolymetallic systems. Crystal structures and magnetic properties of PPh4[Cr(dpa)(ox)2], AsPh4[Cr(dpa)(ox)2], Hdpa[Cr(dpa)(ox)2].4H2O, Rad[Cr(dpa)(ox)2].H2O and Sr[Cr(dpa)(ox)2]

Lescouëzec, R.; Marinescu, G.; Muñoz Roca, María Del Carmen; Luneau, D.; Andruh, M.; Lloret, F.; Faus, J.; Julve, M.; Mata, J.A.; Llusar, R.; Cano, J. (The Royal Society of Chemistry, 2001-10)

[EN] The new complexes of formulae PPh4[Cr(dpa)(ox)(2)] (1), AsPh4[Cr(dpa)(OX)(2)] (2), Hdpa[Cr(dpa)(ox)(2)]-4H(2)O (3), Rad[Cr(dpa)(ox)(2)] . H2O (4) and Sr[Cr(dpa)(ox)(2)](2) . 8H(2)O (5) [PPh4 = tetraphenylphosphonium ...
A guide to avoid method bias of chromium(III, VI) chemiluminescence determination by luminol-hydrogen peroxide reaction. Application to unknown water samples

Meseguer-Lloret, S.; Campins-Falcó, P.; Tortajada-Genaro, Luis Antonio; Blasco-Gómez, F. (Taylor & Francis, 2003)

[EN] Cr(III) and/or Cr(VI) determinations based on light emission produced by luminol oxidation by hydrogen peroxide in basic aqueous solution catalyzed by Cr(III) were studied in order to diagnose and/or avoid method bias. ...
A new selective fluorogenic probe for trivalent cations

Barba Bon, Andrea; Costero, Ana; Gil Grau, Salvador; Parra Álvarez, Margarita; Soto Camino, Juan; Martínez Mañez, Ramón; Sancenón Galarza, Félix (Royal Society of Chemistry, 2012)

[EN] A new selective chromo-fluorogenic probe for Fe 3+, Cr 3+ and Al 3+ is reported. Detection limits are in the ¿M range and the fluorogenic sensing ability could be observed by the naked eye when illuminated with UV-light. ...
A remarkable synergistic effect at the transcriptomic level in peach fruits doubly infected by Prunus necrotic ringspot virus and Peach latent mosaic viroid

Herranz Gordo, Maria Del Carmen; Niehl, A; Rosales, Marlene; Fiore, Nicola; Zamorano, A; Granell Richart, Antonio; Pallás Benet, Vicente (BioMed Central, 2013-05-28)

[EN] Background: Microarray profiling is a powerful technique to investigate expression changes of large amounts of genes in response to specific environmental conditions. The majority of the studies investigating gene ...
A Square-Planar Dinickel(II) Complex with a Noninnocent Dinucleating Oxamate Ligand: Evidence for a Ligand Radical Species

Aukauloo, A.; Ottenwaelder, X.; Ruiz, R.; Poussereau, S.; Pei, Y.; Journaux, Y.; Fleurat, P.; Volatron, F.; Cervera, B.; Muñoz Roca, María Del Carmen (John Wiley & Sons, 1999-06-17)

[EN] The new bimetallic nickel(II) compound (PPh4)4[Ni2(2)]·6H2O (3), where H8[2] stands for N,N',N'',N'''-1,2,4,5-benzene-tetrayltetrakis(oxamic acid), has been synthesized and its crystal structure determined by ...
Aerobic Oxidation of Benzylic Alcohols Catalyzed by Metal-Organic Frameworks Assisted by TEMPO

Amarajothi, Dhakshina Moorthy; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (American Chemical Society, 2011)

[EN] Cu3 (BTC)2 (BTC: 1,3,5-benzenetricarboxylate) combined with TEMPO as cocatalyst is an e¿ective and reusable heterogeneous catalyst to e¿ect the aerobic oxidation of benzylic alcohols in acetonitrile to the corresponding ...
Alkali-promoted V2O5 catalysts for the partial oxidation of H2S to sulphur

Soriano Rodríguez, Mª Dolores; López Nieto, José Manuel; Ivars Barceló, Francisco; Concepción Heydorn, Patricia; Rodriguez-Castellon, E. (Elsevier, 2012-09-30)

[EN] Present paper describes the influence of the incorporation of alkali metal cations (AM = Li, Na, K, Cs; and an AM/V ratio of 0.04) and Na-content (Na/V ratio of 0.02-0.30) in alkali metal promoted V2O5 catalyst on ...
Alkane oxidation by a carboxylate-bridged dimanganese(III) complex

Blay, G.; Fernández, I.; Giménez, T.; Pedro, J. R.; Ruiz-García, R.; Pardo, E.; Lloret F.; Muñoz Roca, María Del Carmen (The Royal Society of Chemistry, 2001)

[EN] A new manganese( III) oxamato dimer possesing an unprecedented Mn-2(mu -O2CR)(mu -OH2. . .O2CR) core has been synthesised, structurally and magnetically characterised, and used as a catalyst for the oxidation of alkanes ...
An Immunosensor for the Automatic Determination of the Antifouling Agent Irgarol 1051 in Natural Waters

González Martínez, Miguel Ángel; Penalva Villegas, José; Puchades, Rosa; Maquieira Catala, Ángel; Ballesteros, Berta; Marco, Maria Pilar; Barceló, Damià (American Chemical Society, 1998-09)

[EN] The development of an immunosensor for analysis of the antifouling agent Irgarol 1051 (2-methylthio-4-tert-butylamin-6-cyclopropylamin-s-triazine) is described. The immunosensor is based on a heterogeneous competitive ...
An Na8 Cluster in the Structure of a Novel oxamato-bridged Na'Cu'' three-Dimensional Coordination Polymer

Aukauloo, A.; Ottenwaelder, X.; Ruiz, R.; Journaux, Y.; Pei, Y.; Riviére, E.; Cervera, B.; Muñoz Roca, María Del Carmen (John Wiley & Sons, 1999-01-18)

[EN] The new heterometallic sodium(I)¿copper(II) compound Na4Cu2 (2) · 10.5 H2O (3), where H8[2] stands for N,N',N'',N'''-methanetetrayltetrakismethylenetetrakis(oxamic acid), has been synthesized and its crystal structure ...
Anti-diabetic and anti-obesity agent sodium tungstate enhances GCN pathway activation through Glc7p inhibition

Rodríguez Hernández, Carlos Javier; Guinovart, J.J.; Murguía, Jose R. (ElsevierWiley, 2012-02-03)

[EN] Tungstate counteracts diabetes and obesity in animal models, but its molecular mechanisms remain elusive. Our Saccharomyces cerevisiae-based approach has found that tungstate alleviated the growth defect induced by ...
Apollonius unilateral transducer constant power gain circles on 3D Smith charts

Muller, A. A.; Sanabria Codesal, Esther; Moldoveanu, A.; Asavei, V.; Soto Pacheco, Pablo; Boria Esbert, Vicente Enrique; Lucyszyn, S. (Institution of Engineering and Technology (IET), 2014-10-09)

[EN] Unilateral transducer constant power gain circles play an essential role in the design of radio-frequency amplifiers and active modulators, as they help to determine optimal impedance matching conditions to meet ...
Atmospheric-pressure, liquid-phase, selective aerobic oxidation of alkanes catalysed by metal-organic frameworks

Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Wiley-VCH Verlag, 2011-04-14)

[EN] Aerobic oxidation of cyclooctane to its corresponding ol/one mixture at atmospheric pressure and in the liquid phase is efficiently promoted by an Fe(BTC) (BTC=1,3,5-benzenetricarboxylate) metal-organic framework, ...
Automatic deployment of a consensus networks MAS

Gómez ., Yolanda; Palomares Chust, Alberto; Carrascosa Casamayor, Carlos; Rebollo Pedruelo, Miguel (Springer Verlag (Germany), 2013)

The main goal of the work here presented is the easy deployment in real multi-agent systems of consensus processes. MAGENTIX2 agent platform has been used to implement real agents that follow the consensus algorithm to ...
Catalysis by metal nanoparticles embedded on metal-organic frameworks

Dhakshinamoorthy, Amarajothi; García Gómez, Hermenegildo (Royal Society of Chemistry, 2012)

[EN] The present review describes the use of metal-organic frameworks (MOFs) as porous matrices to embed metal nanoparticles (MNPs) and occasionally metal oxide clusters, which are subsequently used as heterogeneous ...
Catalytic abatement of trichloroethylene over Mo and/or W-based bronzes

Blanch Raga, Neus; Soriano Rodríguez, Mª Dolores; Palomares Gimeno, Antonio Eduardo; Concepción Heydorn, Patricia; Martínez Triguero, Luis Joaquín; López Nieto, José Manuel (Elsevier, 2013-02)

[EN] In this paper we present the results of the synthesis, characterization and catalytic behaviour of Mo(W)¿Nb¿V¿O mixed metal oxides bronzes for the catalytic oxidation of trichloroethylene. The catalysts were prepared ...
Catalytic behavior of NaV6O15 bronze for partial oxidation of hydrogen sulfide

Soriano Rodríguez, Mª Dolores; Rodriguez-Castellon, E.; Garcia-Gonzalez, E.; López Nieto, José Manuel (Elsevier, 2014-12)

[EN] Na-containing V2O5 materials have been prepared hydrothermally from gels with Na/V ratios of 0.02-0.26, and calcined at 500 degrees C. The calcined samples have been characterized and tested as catalysts in the partial ...
Catalytic VOCs elimination over copper and cerium oxide modified mesoporous SBA-15 silica

Tsoncheva, Tanya; Issa, Gloria; Blasco Lanzuela, Teresa; Dimitrov, M.; Popova, Margarita; Hernández Morejudo, Selene; Kovacheva, Daniela; Atanasova, Genoveva; López Nieto, José Manuel (Elsevier, 2013)

[EN] Copper and cerium oxide bi-component materials with different Cu/Ce ratio were prepared using ordered SBA-15 silica as a support and compared with their bulk analogs. The samples were characterized by nitrogen ...
Chiral NHC-Complexs with Dioxolane Backbone Heterogenized on MCM-41. Catalytic Activity

Villaverde, Gonzalo; Corma Canós, Avelino; Iglesias, Marta; Sánchez, Félix (Wiley-VCH Verlag, 2011-08-08)

[EN] Rhodium, palladium, and gold complexes of chiral (NHC)¿dioxolane¿amino ligands were prepared. Herein, new methods for the heterogenization of NHC-chiral complexes on porous silica supports are demonstrated for the ...
Colour image smoothing through a soft-switching mechanism using a graph model

Jordan Lluch, Cristina; Morillas, Samuel; Sanabria Codesal, Esther (Institution of Engineering and Technology (IET), 2012-12)

[EN] In this study, the authors propose a soft-switching ¿lter to improve the performance of recent colour image smoothing ¿lters when processing homogeneous image regions. The authors use a recent ¿lter mixed with the ...