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Listar por autor "Navalón Oltra, Sergio"

Mostrando ítems 1-20 de 126

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A highly conductive nanostructured PEDOT polymer confined into the mesoporous MIL-100(Fe)

Salcedo-Abraira, Pablo; Santiago-Portillo, Andrea; Atienzar Corvillo, Pedro Enrique; Bordet, Pierre; Salles, Fabrice; Guillou, Nathalie; Elkaim, Erik; García Gómez, Hermenegildo; Navalón Oltra, Sergio; Horcajada, Patricia (The Royal Society of Chemistry, 2019-07-14)

[EN] Despite the higher efficiency, larger color range and faster stimulus response of polymeric electrochromic materials, their poor cyclability strongly hampers their application in optoelectronics. As an original strategy ...
A highly stable and hierarchical tetrathiafulvalene-based metal organic framework with improved performance as a solid catalyst

Souto, Manuel; Santiago-Portillo, Andrea; Palomino Roca, Miguel; Vitorica-Yrezabal, Iñigo J.; Vieira, Bruno J. C.; Waerenborgh, João C.; Valencia Valencia, Susana; Navalón Oltra, Sergio; Rey Garcia, Fernando; García Gómez, Hermenegildo; Minguez Espallargas, Guillermo (The Royal Society of Chemistry, 2018-03)

[EN] Herein we report the synthesis of a tetrathiafulvalene (TTF)-based MOF, namely MUV-2, which shows a non-interpenetrated hierarchical crystal structure with mesoporous one-dimensional channels of ca. 3 nm and orthogonal ...
A Novel Porous Ti-Squarate as Efficient Photocatalyst in the Overall Water Splitting Reaction under Simulated Sunlight Irradiation

Salcedo-Abraira, Pablo; Babaryk, Artem A.; Montero-Lanzuela, Eva; Contreras Almengor, Oscar R.; Cabrero-Antonino, Maria; Svensson, Erik; Willhammar, Tom; Navalón Oltra, Sergio; Elkäim, Erik; García Gómez, Hermenegildo; Horcajada, Patricia (John Wiley & Sons, 2021-12)

[EN] A new porous titanium(IV) squarate metal¿organic framework (MOF), denoted as IEF-11, having a never reported titanium secondary building unit, is successfully synthesized and fully characterized. IEF-11 not only ...
A Pyridyltriazol Functionalized Zirconium Metal-Organic Framework for Selective and Highly Efficient Adsorption of Palladium

Daliran, Saba; Ghazagh-Miri, Mahbobeh; Oveisi, Ali Reza; Khajeh, Mostafa; Navalón Oltra, Sergio; Alvaro Rodríguez, Maria Mercedes; Ghaffari-Moghaddam, Mansour; Delarami, Hojat Samareh; García Gómez, Hermenegildo (American Chemical Society, 2020-06-03)

[EN] This work reports the synthesis of pyridyltriazol-functionalized UiO-66 (UiO stands for University of Oslo), namely, UiO-66-Pyta, from UiO-66-NH2 through three postsynthetic modification (PSM) steps. The good performance ...
A Robust Titanium Isophthalate Metal-Organic Framework for Visible-Light Photocatalytic CO2 Methanation

Wang, Sujing; Cabrero-Antonino, Maria; Navalón Oltra, Sergio; Cao, Chen-chen; Tissot, Antoine; Dovgaliuk, Iurii; Marrot, Jerome; Martineau-Corcos, Charlotte; Yu, Liang; Wang, Hao; Shepard, William; García Gómez, Hermenegildo; Serre, Christian (Elsevier (Cell Press), 2020-12-03)

[EN] Isophthalic acid (IPA) has been considered to build metal-organic frameworks (MOFs), owing to its facile availability, unique connection angle-mode, and a wide range of functional groups attached. Constructing ...
A Semiconducting Bi2O2(C4O4) Coordination Polymer Showing a Photoelectric Response

Babaryk, Artem A.; Contreras Almengor, Oscar R.; Cabrero-Antonino, Maria; Navalón Oltra, Sergio; García Gómez, Hermenegildo; Horcajada, Patricia (American Chemical Society, 2020-03-16)

[EN] Inorganic semiconductors are extensively considered to be among the most promising materials to convert solar light into electricity or chemical energy owing to their efficiency in the separation of photoinduced ...
A translational approach to assess the metabolomic impact of stabilized gold nanoparticles by NMR spectroscopy

Herance, Jose Raul; García Gómez, Hermenegildo; Guitierrez Carcedo, Patricia; Navalón Oltra, Sergio; Pineda-Lucena, Antonio; Palomino-Schätzlein, M. (The Royal Society of Chemistry, 2019-02-21)

[EN] Gold nanoparticles have high potential in the biomedical area, especially in disease diagnosis and treatment. The application of these nanoparticles requires the presence of stabilizers to avoid their agglomeration. ...
Aerobic Oxidation of Thiols Catalyzed by Copper Nanoparticles Supported on Diamond Nanoparticles

Amarajothi ., Dhakshina Moorthy; Navalón Oltra, Sergio; Sempere Aracil, David; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (WILEY-VCH Verlag GmbH & Co. KGaA,, 2012)

After purification by Fenton treatment, commercial diamond nanoparticles (NPs) are a suitable solid support for the deposition of Cu nanoparticles. Heating at 5008C under hydrogen proved to be a convenient annealing process ...
Alteration of the Mitochondrial Effects of Ceria Nanoparticles by Gold: An Approach for the Mitochondrial Modulation of Cells Based on Nanomedicine

Gutiérrez-Carcedo, Patricia; Navalón Oltra, Sergio; Simó, Rafael; Setoain, Xavier; Aparicio-Gómez, Carolina; Abasolo, Ibane; Victor, Victor Manuel; García Gómez, Hermenegildo; Herance, José Raúl (MDPI AG, 2020-04)

[EN] Ceria nanoparticles are cell compatible antioxidants whose activity can be enhanced by gold deposition and by surface functionalization with positive triphenylphosphonium units to selectively target the mitochondria. ...
Analysis of organic compounds in an urban wastewater treatment plant effluent

Navalón Oltra, Sergio; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Taylor & Francis, 2011)

In the present work we fractioned the effluent water from an urban sewage treatment plant (USTP) of Ribarroja (Valencia, Spain) using the conventional protocol based on DAX8 and XAD4 resins. The fractions were analyzed by ...
Bifunctional metal-organic frameworks for the hydrogenation of nitrophenol using methanol as the hydrogen source

Melillo, Arianna; García-Vallés, Cristina; Ferrer Ribera, Rosa Belén; Alvaro Rodríguez, Maria Mercedes; Navalón Oltra, Sergio; García Gómez, Hermenegildo (The Royal Society of Chemistry, 2021-01-28)

[EN] This work reports the reduction of 4-nitrophenol to 4-aminophenol using UiO-66(Zr) as a bifunctional photocatalyst and hydrogenation catalyst using methanol as the hydrogen source. In particular, a series of UiO-66(Zr)-X ...
Bimetallic iron-copper oxide nanoparticles supported on nanometric diamond as efficient and stable sunlight-assisted Fenton photocatalyst

Manickam-Periyaraman, Premkumar; Espinosa, Juan C.; Ferrer Ribera, Rosa Belén; Subramanian, Sivanesan; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo; Navalón Oltra, Sergio (Elsevier, 2020-08-01)

[EN] Bimetallic iron and copper oxide nanoparticles (NPs) supported on hydroxylated diamond (D3) exhibits an improved activity for the heterogeneous Fenton phenol degradation under natural or simulated sunlight irradiation ...
Carbocatalysis by graphene-based materials

Navalón Oltra, Sergio; Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (American Chemical Society, 2014-06-25)

[EN] Carbon materials derived from biomass are considered paradigmatic examples of sustainability.6,7 Other factors besides sustainability that may also favor carbon-based versus inorganic materials as catalysts are economic ...
Catalytic Ozonation Using Edge-Hydroxylated Graphite-Based Materials

Bernat-Quesada, Francisco; Espinosa-López, Juan Carlos; Barbera, Vincenzina; Alvaro Rodríguez, Maria Mercedes; Galimberti, Maurizio; Navalón Oltra, Sergio; García Gómez, Hermenegildo (American Chemical Society, 2019-10-21)

[EN] This work reports the catalytic ozonation activity of high surface area graphite materials selectively functionalized at the edges with hydroxyl groups. The graphite-based catalyst shows higher activity than the parent ...
Ceria nanoparticles with rhodamine B as a powerful theranostic agent against intracellular oxidative stress

Apostolova, Nadezda; Rovira-Llopis, Susana; Baldovi, Herme G.; Navalón Oltra, Sergio; Asiri, Abdullah M.; Victor, Victor M.; García Gómez, Hermenegildo; Herance Camacho, Jose Raul (Royal Society of Chemistry, 2015)

Ceria nanoparticles with rhodamine B groups covalently attached on their surface (RhB-CeNPs) were successfully prepared to simultaneously exhibit antioxidant activity and the ability to detect oxidant species. In order to ...
Challenges and opportunities for N-hydroxyphthalimide supported over heterogeneous solids for aerobic oxidations

Caruso, Manfredi; Navalón Oltra, Sergio; Cametti, Massimo; Dhakshinamoorthy, Amarajothi; Punta, Carlo; García Gómez, Hermenegildo (Elsevier, 2023-07-01)

[EN] Organocatalysis, in combination with, or as an alternative to the use of metals, is attracting increasing interest as a sustainable route to promote selective transformations. In this context, N- hydroxyphthalimide ...
Chitosan-Templated Synthesis of Few-Layers Boron Nitride and its Unforeseen Activity as a Fenton Catalyst

Primo Arnau, Ana María; Navalón Oltra, Sergio; Asiri, Abdullah M; García Gómez, Hermenegildo (Wiley, 2015-01-02)

A novel procedure for the preparation of fewlayers boron nitride (BN), either as films or as suspended BN platelets, is presented, based on the pyrolysis of chitosan, which serves both as a matrix to embed ammonium borate ...
Cobalt-Based Metal Organic Frameworks as Solids Catalysts for Oxidation Reactions

Dhakshinamoorthy, Amarajothi; Montero-Lanzuela, Eva; Navalón Oltra, Sergio; García Gómez, Hermenegildo (MDPI AG, 2021-01)

[EN] Metal organic frameworks (MOFs) are porous crystalline solids whose frameworks are constituted by metal ions/nodes with rigid organic linkers leading to the formation of materials having high surface area and pore ...
Copper nanoparticles supported on diamond nanoparticles as a cost-effective and efficient catalyst for natural sunlight assisted Fenton reaction

Espinosa-López, Juan Carlos; Navalón Oltra, Sergio; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (The Royal Society of Chemistry, 2016)

[EN] A series of catalysts consisting of Cu nanoparticles (NPs) supported on diamond nanoparticles (D) were obtained by polyol reduction of CuNO3)(2) in the presence of D. The best performing Cu/D catalyst was obtained ...
Cu(II)-Schiff base covalently anchored to MIL-125(Ti)-NH2 as heterogeneous catalyst for oxidation reactions

Daliran, Saba; Santiago-Portillo, Andrea; Navalón Oltra, Sergio; Reza Oveisi, Ali; Alvaro Rodríguez, Maria Mercedes; Ghorbani-Vaghei, Ramin; Azarifar, Davood; García Gómez, Hermenegildo (Elsevier, 2018-12)

[EN] MIL-125(Ti)-NH2 has been modified by reaction of salicylaldehyde with the terephthalate amino groups to form a salicylideneimine that act as ligand of Cu2+. The success of the postsynthetic modification was assessed ...