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Browsing by Subject "Nanoparticles"

Now showing items 1-20 of 89

A Photoactivated Molecular Gate

Agostini, Alessandro; Sancenón Galarza, Félix; Martínez Mañez, Ramón; Marcos Martínez, María Dolores; Soto Camino, Juan; Amoros del Toro, Pedro Jose (Wiley-VCH Verlag, 2012-09-24)

Light-controlled gate: A novel capped silica nanoscopic mesoporous hybrid material for photo-driven cargo release applications has been designed and prepared. The capped system, which shows a zero release, contains a ...
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 ...
Aluminum Oxide Nanoparticles as Carriers and Adjuvants for Eliciting Antibodies from Non-immunogenic Haptens

Maquieira Catala, Ángel; Brun Sánchez, Eva María; Garcés García, Marta; Puchades Pla, Rosa (American Chemical Society, 2012)

[EN] Functionalized nanomaterials have applications yet to be discovered, especially in the biological field and, in particular, the in vivo production of antibodies. In this paper, we show that aluminum oxide nanoparticles ...
Amidase-responsive controlled release of antitumoral drug into intracellular media using gluconamide-capped mesoporous silica nanoparticles

Candel Busquets, Inmaculada; Aznar Gimeno, Elena; Mondragón Martínez, Laura; De la Torre Paredes, Cristina; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Marcos Martínez, María Dolores; Amoros del Toro, Pedro Jose; Guillem, Carmen; Pérez Payá, Enrique; Costero Nieto, Ana María; Gil Grau, Salvador; Parra Álvarez, Margarita (Royal Society of Chemistry, 2012-10-02)

MCM-41 silica nanoparticles were used as inorganic scaffolding to prepare a nanoscopic-capped hybrid material S1, which was able to release an entrapped cargo in the presence of certain enzymes, whereas in the absence of ...
An aptamer-gated silica mesoporous material for thrombin detection

Oroval Cucarella, María del Mar; Climent Terol, Estela; Coll Merino, Mª Carmen; Eritja, Ramon; Aviñó, Anna; Marcos Martínez, María Dolores; Sancenón Galarza, Félix; Martínez Mañez, Ramón; Amoros del Toro, Pedro Jose (Royal Society of Chemistry, 2013-06-18)

An aptamer-capped mesoporous material for the selective and sensitive detection of &-thrombin in human plasma and serum has been prepared and characterised.
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 ...
Analysis of the upconversion emission of yttrium orthoaluminate nanoperovskite co-doped with Er3+/Yb3+ ions for thermal sensing applications

Hernández-Rodríguez, M.A.; Lozano-Gorrín, A.D.; Lavin, V.; Rodriguez-Mendoza, U.R.; Martin, I.R.; Manjón, Francisco-Javier (Elsevier, 2018-10)

[EN] The upconversion emissions of yttrium orthoaluminate nano-perovskite co-doped with Er3+/Yb3+ have been studied. Strong green and red upconversion emissions, which can be observed by naked eyes, were observed when ...
Au@MOF-5 and Au/MOx@MOF-5 (M = Zn, Ti; x = 1, 2): Preparation and Microstructural Characterisation

Müller, Maike; Stuart, Turner; Lebedev, Oleg, I.; Wang, Yuemin; Van Tendeloo, Gustaaf; Fischer, Roland A. (Wiley-VCH Verlag, 2011)

[EN] The Zn-carboxylate-based porous coordination polymer MOF-5 [Zn4O(bdc)(3)] and the metal oxide loaded materials ZnO@MOF-5 and TiO2@MOF-5 were loaded in a second step with the precursor [ClAuCO] to yield intermediate ...
Avoiding the mononuclear phagocyte system using human albumin for mesoporous silica nanoparticle system

Dos Santos, S.N.; Rezende Dos Reis, S.R.; Pires, L.P; Helal-Neto, E.; Sancenón Galarza, Félix; Barja-Fidalgo, T.C.; Medina De Mattos, R.; Nasciutti, L.E.; Martínez-Máñez, Ramón; Santos-Oliveira, R. (Elsevier, 2017)

[EN] The mononuclear phagocytic system is a key participant determining the half-life of nanoparticles (NPs) in the bloodstream and influencing active targeting. Several strategies to extend the circulation time of ...
Carbon nanoparticles in lateral flow methods to detect genes encoding virulence factors of Shiga toxin-producing Escherichia coli

Noguera Murray, Patricia Silvestre; Posthuma-Trumpie, G.A.; van Tuil, M.; van der Wal, F.J.; de Boer, A.; Moers, A.P.H.A.; van Amerongen, A. (Springer Verlag, 2011)

The use of carbon nanoparticles is shown for the detection and identification of different Shiga toxin-producing Escherichia coli virulence factors (vt1, vt2, eae and ehxA) and a 16S control (specific for E. coli) based ...
Comparativa entre distintos consolidantes inorgánicos nanoparticulados a base de hidróxido cálcico.

Barreda Usó, Gemma; Zalbidea Muñoz, Maria Antonia; Osca Pons, Mª Julia (Editorial Universitat Politècnica de València, 2017-10-23)

[EN] The present research work shows the comparative study carried out between different nanoparticulate consolidating materials of inorganic origin based on calcium hydroxide, on stony supports with carbonic matrix. In ...
Dense nanostructured zirconia compacts obtained by colloidal filtration of binary mixtures

Benavente Martínez, Rut; Salvador Moya, Mª Dolores; Alcázar, M.C.; Moreno, R. (Elsevier, 2012-04)

As starting materials two commercial nanosized zirconias doped with 3 mol% of Y 2O 3 were used: a powder of about 100 nm (TZ3YE, Tosoh, Japan) and a colloidal suspension of about 15 nm (Mel Chemicals, UK). Colloidal stability ...
Design of enzyme-mediated controlled release systems based on silica mesoporous supports capped with ester-glycol groups

Agostini, Alessandro; Mondragón Martínez, Laura; Pascual Vidal, Lluís; Aznar Gimeno, Elena; Coll Merino, Mª Carmen; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Soto Camino, Juan; Marcos Martínez, María Dolores; Amoros del Toro, Pedro; Costero, Ana M.; Parra, Margarita; Gil, Salvador (American Chemical Society, 2012-09-21)

[EN] An ethylene glycol-capped hybrid material for the controlled release of molecules in the presence of esterase enzyme has been prepared. The final organic-inorganic hybrid solid S1 was synthesized by a two-step procedure. ...
Diseño y caracterización de nanopartículas plasmónicas para sensado en el infrarrojo

Tomás Navarro, Begoña (2013-02-18)

[ES] Esta tesina, tras una introducción al campo de la plasmónica, describe los esfuerzos de investigación realizados por la autora para idear una nueva estructura en el infrarrojo ideada para alcanzar un proceso avanzado ...
Drug delivery nanosystems for the localized treatment of glioblastoma multiforme

Nam, L.; Coll Merino, Mª Carmen; Erthal, L.C.S.; De La Torre-Paredes, Cristina; Serrano,D.; Martínez-Máñez, Ramón; Santos-Martinez, M.J.; Ruiz Hernández, E. (MDPI AG, 2018-05)

[EN] Glioblastoma multiforme is one of the most prevalent and malignant forms of central nervous system tumors. The treatment of glioblastoma remains a great challenge due to its location in the intracranial space and the ...
Dual enzyme-triggered controlled release on capped nanometric silica mesoporous supports

Agostini, Alessandro; Mondragón Martínez, Laura; Coll Merino, Mª Carmen; Aznar Gimeno, Elena; Marcos Martínez, María Dolores; Martínez Mañez, Ramón; Sancenón Galarza, Félix; Soto Camino, Juan; Pérez Payá, Enrique; Amoros del Toro, Pedro (Wiley Open Access, 2012)
Effect of Ag nanoparticles integrated within antireflection coatings for solar cells

Cortés-Juan, F.; Chaverri Ramos, Christian; Connolly, James Patrick; David, Christin; García de Abajo, Francisco Javier; Hurtado Montañés, Juan; Mihailetchi, V.D.; Ponce-Alcántara, Salvador; Sánchez Plaza, Guillermo (American Institute of Physics, 2013)

[EN] The influence of the relative position of Ag metallic nanoparticles (Ag MNPs) embedded in a 100 nm SiOx Antireflection Coating (ARC) for specular polished c-Si substrates is studied. It is demonstrated that this ...
Enhanced Efficacy and Broadening of Antibacterial Action of Drugs Via the Use of Capped Mesoporous Nanoparticles

Mas Font, Nuria; Galiana Guillem, Irene; Mondragón Martínez, Laura; Aznar Gimeno, Elena; Climent Terol, Estela; Cabedo Escrig, Nuria; Sancenón Galarza, Félix; Murguía Ibáñez, José Ramón; Martínez Mañez, Ramón; Marcos Martínez, María Dolores; Amoros del Toro, Pedro (Wiley-VCH Verlag, 2013-07-09)

[EN] A novel nanodevice consisting of mesoporous nanoparticles loaded with vancomycin and capped with epsilon-poly-L-lysine (epsilon-PL) was prepared and its interaction with different Gram-negative bacteria studied. A ...
Enhancement of the catalytic activity of supported gold nanoparticles for the fenton reaction by light

Navalón Oltra, Sergio; De Miguel de la Torre, Maykel; Martín González, Roberto; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (American Chemical Society, 2011)

[EN] Laser flash photolysis of supported gold nanopar-ticles exciting at the surface plasmon band (532 nm) has allowed in the case of Au/CeO 2 and Au/OH-npD (OH-npD: Fenton-treated diamond nanoparticles) detection of ...
Enhancing oxygen permeation through Fe2NiO4-Ce0.8Tb0.2O2-delta composite membranes using porous layers activated with Pr6O11 nanoparticles

García-Fayos, Julio; Ruhl, R.; Navarrete Algaba, Laura; Bouwmeester, H.; Serra Alfaro, José Manuel (The Royal Society of Chemistry, 2018)

[EN] Fe2NiO4-Ce0.8Tb0.2O2-delta (NFO-CTO) composite membranes are of interest to separate oxygen from air. In this study, we investigate the influence of the catalytic activation of NFO-CTO membranes on the oxygen permeation ...