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Browsing by Subject "Nanostructures"

Now showing items 1-20 of 20

Analogue of the quantum hanle effect and polarization conversion in non-hermitian plasmonic metamaterials

Ginzburg, Pavel; Rodríguez Fortuño, Francisco José; Martínez Abietar, Alejandro José; Zayats, Anatoly V. (American Chemical Society, 2012-12)

The Hanle effect, one of the first manifestations of quantum theory introducing the concept of coherent superposition between pure states, plays a key role in numerous aspects of science varying from applicative spectroscopy ...
Bio-Photonic Sensing Cells over transparent substrates for anti-gestrinone antibodies biosensing

Sanza, F.J.; Holgado, M.; Ortega Higueruelo, Francisco José; Casquel Del Campo, Rafael; López-Romero, D.; Bañuls Polo, Mª José; Laguna, Mari Fe; Barrios, C.A.; Puchades Pla, Rosa; Maquieira Catala, Ángel (Elsevier, 2011)

[EN] In a previous work we introduced the term Bio-Photonic Sensing Cells (BICELLs), referred to periodic networks of nano-pillar suitable for biosensing when are vertically interrogated. In this article, we demonstrate ...
Control parameters on the fabrication of ZnO hollow nanocolumns

Cembrero Cil, Jesús; Busquets Mataix, David Jerónimo; Rayón Encinas, Emilio; Pascual Guillamón, Manuel; Pérez Puig, Miguel Angel; Marí Soucase, Bernabé (Elsevier, 2013-02)

[EN] The present work reports on the fabrication of hollow ZnO nanocolumns by a sequential combination of electrochemical deposition, chemical attack and regeneration. Initially, ZnO nanocolumns were deposited in two ...
Degradation of Diazinon based on photoelectrocatalytic technique using enhanced WO3 nanostructures: Mechanism and pathway

Roselló-Márquez, Gemma; Fernández-Domene, Ramón Manuel; Sánchez-Tovar, Rita; Cifre-Herrando, Mireia; Garcia-Anton, Jose (Elsevier, 2021-08)

[EN] In this work, a resistant and toxic pesticide called diazinon was degraded through the photoelectrocatalysis (PEC) technique using tungsten oxide (WO3) nanostructures, applying an external bias of 1VAg/AgCl and simulated ...
Desarrollo de nanoestructuras de ZnO mediante anodizado electroquímico en diferentes condiciones para su aplicación en el área energética

Batista Grau, Patricia (Universitat Politècnica de València, 2021-09-02)

[ES] La presente Tesis Doctoral se centra en el desarrollo de nanoestructuras de óxido de zinc (ZnO) mediante anodizado electroquímico en diferentes condiciones para su aplicación en el área energética, en particular, en ...
Eliminación de pesticidas organofosforados mediante fotoelectrocatálisis con fotoánodos de WO3

Roselló Márquez, Gemma (Universitat Politècnica de València, 2021-10-14)

[ES] La presente Tesis Doctoral tiene dos objetivos claramente diferenciados, siendo el primero de ellos la realización de un estudio de optimización de la síntesis de nanoestructuras de óxido de wolframio (WO3) mediante ...
Generation of MoS2 quantum dots by laser ablation of MoS2 particles in suspension and their photocatalytic activity for H-2 generation

Garcia-Baldovi, Hermenegildo; Latorre Sánchez, Marcos; Esteve-Adell, Iván; Kham, Anish; Asiri, Abdullah M.; Kosa, Samia A.; García Gómez, Hermenegildo (Springer-Verlag, 2016)

[EN] MoS2 quantum dots (QDs) have been obtained in colloidal suspensions by 532 nm laser ablation (7 ns fwhp/pulse, 50 mJ/pulse) of commercial MoS2 particles in acetonitrile. High-resolution transmission electron microscopy ...
Influence of plasma intensity on wear and erosion resistance of conventional and nanometric WC-Co coatings deposited by APS

Bonache Bezares, Victoria; Salvador Moya, Mª Dolores; García, J.C.; Sánchez, E.; Bannier, E. (ASM International, 2011)

The effects of plasma intensity and powder particle size on wear and erosion resistance have been evaluated for WC-12 wt.%Co coatings deposited by Air Plasma Spraying. Coatings were deposited from micrometric and nanostructured ...
Influence of seed layer thickness on properties of electrodeposited ZnO nanostructured films

Reyes Tolosa, María Dolores; Alajami, M.; Montero Reguera, Álvaro Enrique; Damonte, L.C.; Hernández Fenollosa, María De Los Ángeles (Springer, 2019-09-20)

[EN] The quality and properties of electrodeposited nanostructured ZnO films are improved when they are deposited on a crystal lattice-matching substrate. To this end, a highly conductive indium tin oxide substrate is ...
Nanorings and rods interconnected by self-assembly mimicking an artificial network of neurons

Escarcega-Bobadilla, Martha V.; Zelada-Guillen, Gustavo A.; Pyrlin, Sergey V.; Wegrzyn, Marcin; Ramos, Marta M. D.; Giménez Torres, Enrique; Stewart, Andrew; Maier, Gerhard; Kleij, Arjan W. (Nature Publishing Group: Nature Communications, 2013-11)

[EN] Molecular electronics based on structures ordered as neural networks emerges as the next evolutionary milestone in the construction of nanodevices with unprecedented applications. However, the straightforward formation ...
Nanoscopic optical sensors based on functional supramolecular hybrid materials

Martínez Mañez, Ramón; Sancenón Galarza, Félix; Hecht, Mandy; Biyikal, Mustafa; Rurack, Knut (Springer Verlag, 2011)

[EN] This review highlights how the combination of supramolecular principles and nanoscopic solid structures enables the design of new hybrid sensing ensembles with improved sensitivity and/or selectivity and for the ...
Nanosized vanadium, tungsten and molybdenum oxide clusters grown in porous chitosan microspheres as promising hybrid materials for selective alcohol oxidation

El Kadib, Abdelkrim; Primo Arnau, Ana María; Molvinger, Karine; Bousmina, Mosto; Brunel, Daniel (Wiley-VCH Verlag, 2011-07-04)

The ability of chitosan biopolymer to coordinate vanadium, tungsten and molybdenum metallic species and to control their mineralisation growth provides a new family of surface-reactive organic-inorganic hybrid microspheres. ...
Nuevos métodos y soportes para la inmovilización de enzimas

Cebrián Cabo, Santiago (Universitat Politècnica de València, 2020-07-12)

[ES] Las enzimas son catalizadores biológicos que desempeñan un papel muy relevante en el desarrollo de muchas industrias, entre las que se encuentran las industrias alimentarias. En este campo de aplicación, la inmovilización ...
Optical gating of photosensitive synthetic ion channels

Ali, Mubarak; Nasir, Saima; Ramirez Hoyos, Patricio; Ahmed, Ishtiaq; Nguyen, Quoc Hung; Fruk, Ljiljana; Mafe, Salvador; Ensinger, Wolfgang (Wiley-VCH Verlag, 2012)

4-oxo-4-(pyren-4-ylmethoxy) butanoic acid is used as a photolabile protecting group to show the optical gating of nanofluidic devices based on synthetic ion channels. The inner surface of the channels is decorated with ...
Photoluminescence Study of Eu+3 doped ZnO Nanocolumns Prepared by Electrodeposition Method

Nouri, Abdelhak Nouri; Beniaiche, Abdelkrim Beniaiche; Marí, B.; Guessas, H.; Azizi, Amor (Elsevier, 2017)

[EN] Europium doped ZnO (ZnO:Eu) nanocolumns were grown on indium tin oxide substrates (ITO) by electrodeposition method in zinc nitrate aqueous solution with different concentration of Eu. According to XRD results ...
Should TiO2 nanostructures doped with Li+ be used as photoanodes for photoelectrochemical water splitting applications?

Sánchez Tovar, Rita; Blasco-Tamarit, E.; Fernández Domene, Ramón Manuel; Lucas-Granados, Bianca; Garcia-Anton, Jose (Elsevier, 2017)

[EN] Different TiO2 nanostructures, nanotubes and nanosponges, were obtained by anodization of Ti under stagnant and hydrodynamic conditions. Samples were doped with Li+ before and after annealing at 450 degrees C during ...
Single cigar-shaped nanopores functionalized with amphoteric amino acid chains: experimental and theoretical characterization

Ali, Mubarak; Ramirez Hoyos, Patricio; Nguyen, Hung Quoc; Nasir, Saima; Cervera, Javier; Mafe, Salvador; Ensinger, Wolfgang (American Chemical Society, 2012)

We present an experimental and theoretical characterization of single cigar-shaped nanopores with pH-responsive carboxylic acid and lysine chains functionalized on the pore surface. The nanopore characterization includes ...
Supported Iron Nanoparticles as catalysts for Sustainable Production of Lower Olefins

López Cruz, Carlos; Corma Canós, Avelino (Wiley-VCH Verlag, 2012-04-30)

The production of commodities for the petrochemical industry from sustainable sources is of major and ever-increasing interest. Among the many catalytic processes proposed, the Fischer¿ Tropsch (FT) synthesis, developed ...
TiO2 Nanostructures for Photoelectrocatalytic Degradation of Acetaminophen

Borràs-Ferrís, Joan; Sánchez Tovar, Rita; Blasco-Tamarit, E.; Muñoz-Portero, María-José; Fernández Domene, Ramón Manuel; Garcia-Anton, Jose (MDPI AG, 2019-04)

[EN] Advanced oxidation processes driven by renewable energy sources are gaining attention in degrading organic pollutants in waste waters in an efficient and sustainable way. The present work is focused on a study of TiO2 ...
Two New Fluorogenic Aptasensors Based on Capped Mesoporous Silica Nanoparticles to Detect Ochratoxin A

Ribes, Àngela; Santiago Felipe, Sara; Bernardos Bau, Andrea; Marcos Martínez, María Dolores; Pardo Vicente, María Teresa; Sancenón Galarza, Félix; Martínez-Máñez, Ramón; Aznar, Elena (John Wiley & Sons, 2017)

[EN] Aptamers have been used as recognition elements for several molecules due to their great affinity and selectivity. Additionally, mesoporous nanomaterials have demonstrated great potential in sensing applications. Based ...