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Browsing by Subject "Nanoparticles"

Now showing items 1-20 of 126

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 ...
Caspase 3 Targeted Cargo Delivery in Apoptotic Cells Using Capped Mesoporous Silica Nanoparticles

De la Torre Paredes, Cristina; Mondragón Martínez, Laura; Coll Merino, Mª Carmen; García-Fernández, Alba; Sancenón Galarza, Félix; Martínez-Máñez, Ramón; Amorós, Pedro; Pérez Payá, Enrique; Orzáez, Mar (John Wiley & Sons, 2015-10-26)

[EN] Excessive apoptotic cell death is at the origin of several pathologies, such as degenerative disorders, stroke or ischemia-reperfusion damage. In this context, strategies to improve inhibition of apoptosis and other ...
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 ...
Crystal growth and design of various shapes of PbS micro and nanocrystals from a hydrothermal process

Jemai, Safa; Hajjaji, Anouar; Baig, Faisal; Harabi, Imen; Marí, B.; Bessais, Brahim (Elsevier, 2021-05)

[EN] This paper reports on a systematic study highlighting dramatic morphological changes during the preparation of Lead Sulfide (PbS) by a hydrothermal process. PbS micro/nanostructures having different shapes and sizes ...
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 ...
Desarrollo de catalizadores de cobalto polinucleares y multifuncionales para la activación de moléculas pequeñas

Gutiérrez Tarriño, Silvia (Universitat Politècnica de València, 2021-09-02)

[ES] La presente tesis doctoral se enmarca en el ámbito de la Química Sostenible, en el cual se identifica la catálisis como una de las herramientas más importantes para su aplicación. En este sentido, en esta tesis doctoral, ...
Desarrollo de nanomateriales biodegradables de base ácido poliláctico incorporando nanopartículas de restos vegetales

Sempere Torregrosa, Jaume (Universitat Politècnica de València, 2022-10-28)

[ES] Hoy en día los problemas medio ambientales y energéticos causados por los recursos limitados y no renovables como los de origen petroquímico. Sumados a la acumulación de residuos plásticos que dichos materiales ...
Desarrollo de nanopartículas de silicio poroso para aplicaciones de carga-liberación de medicamentos

Balaguer Garín, Paula (Universitat Politècnica de València, 2021-10-11)

[ES] Los materiales porosos han despertado un gran interés recientemente por las atrayentes ventajas que ofrecen, como por ejemplo su gran relación superficie-volumen, la capacidad de cargarlos con distintas sustancias, o ...
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. ...
Development of enzyme-functionalized hybrid mesoporous nanodevices for advanced chemical communication

de Luis Fernández, Beatriz (Universitat Politècnica de València, 2021-09-02)

[ES] La presente tesis doctoral se centra en el diseño, síntesis y caracterización de varios nanodispositivos híbridos orgánico-inorgánicos, utilizando como soporte nanopartículas de sílice mesoporosa equipadas con enzimas ...
Development of new advanced therapies to mitigate ischemia-reperfusion-induced injury during acute myocardial infarction

Tejedor Gascón, Sandra (Universitat Politècnica de València, 2023-07-13)

[ES] Las intervenciones actuales utilizadas en el ámbito clínico durante el infarto agudo de miocardio (IAM) se centran en la revascularización de la zona isquémica. Entre dichas estrategias, la angioplastia coronaria, ...