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Listar por palabra clave "Mesoporous silica"

Mostrando ítems 1-20 de 25

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A simple an efficient approach to confine Cu/ZnO methanol synthesis catalysts in the ordered mesoporous SBA-15 silica

García Trenco, Andrés; Martinez Feliu, Agustin (Elsevier, 2013-10-15)

The ammonia-driving deposition-precipitation (ADP) method has been applied with the purpose of confining active Cu/ZnO methanol synthesis phases inside the pores of the ordered mesoporous SBA-15 silica. Thus, a series of ...
Amine-functionalized mesoporous silica: A material capable of CO2 adsorption and fast regeneration by microwave heating

Nigar, Hakan; García-Baños, Beatriz; Penaranda-Foix, Felipe L.; Catalá Civera, José Manuel; Mallada, Reyes; Santamaria, Jesus (Wiley, 2016-02)

The surface of ordered mesoporous (MCM-48) silica has been subjected to covalent grafting with silane molecules containing one to three amino groups. The dielectric properties of the materials were studied in detail, and ...
Au@UiO-66: a base free oxidation catalyst

Leus, K; Concepción Heydorn, Patricia; Vandichel, M.; Meledina, M.; Grirrane, Abdessamad; Esquivel, D.; Turner, S.; Poelman, D.; Waroquier, M.; Van Speybroeck, V.; Van Tendeloo, G.; García Gómez, Hermenegildo; Van Der Voort, P. (Royal Society of Chemistry, 2015)

[EN] We present the in situ synthesis of Au nanoparticles within the Zr based Metal Organic Framework, UiO-66. The resulting Au@UiO-66 materials were characterized by means of N-2 sorption, XRPD, UV-Vis, XRF, XPS and TEM ...
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 ...
Delivery modulation in silica mesoporous supports via functionalization in the pore outlets with a Zn(II) bis(2-pyridylmethyl)amine complex

Bartovsky, Pavel; Ribes, Àngela; Agostini, Alessandro; Benito Beorlegui, Ángel; Martínez-Máñez, Ramón (Elsevier, 2014-06-01)

[EN] This paper focuses on the study of the release behaviour of an entrapped dye (i.e. [Ru(bipy)3] 2+) in the presence of different anions from silica mesoporous supports functionalized in the external surface ...
Development and evaluation of hyaluronan nanocomposite conduits for neural tissue regeneration

Mullor Ruiz, Ismael; Vilariño-Feltrer, Guillermo; Mnatsakanyan, Hayk; Vallés Lluch, Ana; Monleón Pradas, Manuel (Taylor & Francis, 2021-11-22)

[EN] Hyaluronan-based hydrogels are among the most promising neural tissue engineering materials because of their biocompatibility and the immunomodulation capabilities of their degradation byproducts. Despite these features, ...
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 ...
Diseño de estrategias de intercalación de nanocristales de perovskita CH3NH3PbBr3 y CsPbBr3 en nanopartículas de sílice mesoporosa mediante el empleo de precolumnas cromatográficas de alta eficiencia

Teixeira Miranda, William (Universitat Politècnica de València, 2021-02-18)

[ES] Las perovskitas de halogenuros metálicos, cuya fórmula general es ABX3 (A = Cs +, Rb+, CH3NH3+; B = Pb2+, Sn2+; y X = Cl¿, Br¿, I¿), presentan propiedades ópticas muy atractivas, ¿ como un alto rendimiento cuántico ...
Enzyme-controlled sensing-actuating nanomachine based on Janus Au-mesoporous silica nanoparticles

Villalonga, Reynaldo; Díez, Paula; Sánchez, Alfredo; Aznar, Elena; Martínez-Máñez, Ramón; Pingarrón, J.M. (John Wiley & Sons, 2013-06)

[EN] Novel Janus nanoparticles with Au and mesoporous silica faces on opposite sides were prepared using a Pickering emulsion template with paraffin wax as the oil phase. These anisotropic colloids were employed as integrated ...
Enzyme-functionalized hybrid mesoporous nanodevices for sensing, controlled release and molecular communication

Llopis Lorente, Antoni (Universitat Politècnica de València, 2019-03-04)

[ES] La presente tesis doctoral titulada "Nanodispositivos mesoporosos híbridos funcionalizados con enzimas para detección, liberación controlada y comunicación molecular" se centra en el diseño, preparación, caracterización ...
Flow and Batch Minute-Made Synthesis of Ce-UVM-7 Using Microwave-Assisted Reaction: Scaling-Up, Optical and Catalytic Applications, and Impact Assessment

Rodríguez-Carrillo, Cristina; Benítez, Miriam; De los Reyes, Ruth; El Haskouri, Jamal; Amorós, Pedro; Ros-Lis, José V. (American Chemical Society, 2024-08-18)

[EN] This study introduces the first synthesis of a cerium-containing UVM-7 material, a bimodal mesoporous silica material. It was prepared swiftly using microwave-assisted synthesis powered by solid-state generators in ...
Fluorogenic Detection of Human Serum Albumin Using Curcumin-Capped Mesoporous Silica Nanoparticles

Otri, Ismael; Medaglia, Serena; Aznar, Elena; Sancenón Galarza, Félix; Martínez-Máñez, Ramón (MDPI AG, 2022-02)

[EN] Mesoporous silica nanoparticles loaded with rhodamine B and capped with curcumin are used for the selective and sensitive fluorogenic detection of human serum albumin (HSA). The sensing mesoporous silica nanoparticles ...
Gated Silica Mesoporous Materials in Sensing Applications

Sancenón Galarza, Félix; Pascual, Lluís; Oroval, Mar; Aznar Gimeno, Elena; Martínez-Máñez, Ramón (Wiley Open Access, 2015-08)

[EN] Silica mesoporous supports (SMSs) have a large specific surface area and volume and are particularly exciting vehicles for delivery applications. Such container-like structures can be loaded with numerous different ...
Glucose-Responsive Enzyme-Controlled Mesoporous Nanomachine with a Layer-by-Layer Supramolecular Architecture

Jimenez-Falcao, S.; de Luis-Fernández, Beatriz; García-Fernández, Alba; Llopis-Lorente, Antoni; Diez-Sánchez, Paula; Sánchez, Alfredo; Sancenón Galarza, Félix; Martínez-Ruiz, Paloma; Martínez-Máñez, Ramón; Villalonga, Reynaldo (2019-07-25)

[EN] Here we describe the construction of an integrated and pH-sensitive nanomachine with layer-by-layer supramolecular design and enzymatic control for on-command delivery. The nanodevice comprises a first layer of ...
Hydrolysis of DCNP (a Tabun mimic) catalyzed by mesoporous silica nanoparticles

Candel Busquets, Inmaculada; Marcos Martínez, María Dolores; Martínez-Máñez, Ramón; Sancenón Galarza, Félix; Costero, Ana M.; Parra Álvarez, Margarita; GIL GRAU, SALVADOR; Guillem, Carmen; Pérez, Francisco; Amoros del Toro, Pedro Jose (Elsevier, 2015-11-15)

[EN] The hydrolysis of diethylcyanophosphonate, DCNP (a Tabun simulant) in the presence of mesoporous silica nanoparticles (MSN) has been studied in acetonitrile:water (99.5:0.5 v/v) mixtures using 31P NMR as a suitable ...
In Situ-Forming Gels Loaded with Stimuli-Responsive Gated Mesoporous Silica Nanoparticles for Local Sustained Drug Delivery

De La Torre, Cristina; Coll, Carmen; Ultimo, Amelia; Sancenón Galarza, Félix; Martínez-Máñez, Ramón; Ruiz-Hernández, Eduardo (MDPI AG, 2023-04)

[EN] A novel combination of in situ-forming hydrogels of hyaluronic acid with gated mesoporous materials was developed to design depots for local sustained release of chemotherapeutics. The depot consists of a hyaluronic-based ...
Janus Gold Nanostars-Mesoporous Silica Nanoparticles for NIR-Light-Triggered Drug Delivery

Hernández-Montoto, Andy; Llopis-Lorente, Antoni; Gorbe, Mónica; Terrés-Haro, José Manuel; Cao Milán, Roberto; Díaz de Greñu-Puertas, Borja; Alfonso-Navarro, María; Ibáñez Civera, Francisco Javier; Marcos Martínez, María Dolores; Orzaez, Mar; Villalonga, R.; Martínez-Máñez, Ramón; Sancenón Galarza, Félix (John Wiley & Sons, 2019-05-27)

[EN] Janus gold nanostar-mesoporous silica nanoparticle (AuNSt-MSNP) nanodevices able to release an entrapped payload upon irradiation with near infrared (NIR) light were prepared and characterized. The AuNSt surface was ...
Neoglycoenzyme-Gated Mesoporous Silica Nanoparticles: Toward the Design of Nanodevices for Pulsatile Programmed Sequential Delivery

Diez, Paula; Sanchez, Alfredo; De la Torre Paredes, Cristina; Gamella, Maria; Martínez-Ruíz, Paloma; Aznar, Elena; Martínez-Máñez, Ramón; Pingarron, José M.; Villalonga, Reynaldo (American Chemical Society, 2016-03-30)

We report herein the design of a stimulus-programmed pulsatile delivery system for sequential cargo release based on the use of a lactose-modified esterase as a capping agent in phenylboronic acid functionalized mesoporous ...
Nitroarene hydrogenation catalysts based on Pd nanoparticles glued with PDA on inorganic supports: Multivariate Curve Resolution as an useful tool to compare the catalytic activity in multi-step reactions

García Sánchez, Elena; Martínez Melero, María; Úbeda Picot, M. Ángeles; Pérez Pla, Francisco; Marcos Martínez, María Dolores; El Haskouri, Jamal; Amorós, Pedro (Elsevier, 2021-06-05)

[EN] Two green catalysts based on Pd(0) nanoparticles (Pd NPs) anchored through PDA on porous silica and magnetite have been synthesized using a generalized simple and reproducible "two-step" methodology. Both catalysts ...
Organic-Inorganic Hybrid Catalysts for Chemical Processes of Industrial Interest

Erigoni, Andrea (Universitat Politècnica de València, 2021-04-07)

[ES] El trabajo de investigación descrito en la presente Tesis Doctoral ha sido desarrollado en el marco del proyecto europeo MULTI2HYCAT (grant agreement N. 720783) y se ha centrado en la síntesis y caracterización de ...