Asymmetric catalysis within chiral zeolitic nanospaces: Chiral host-guest match in GTM-3 zeolite

Authors: de la Serna, R; Perez-Pariente, J; Gomez-Hortigueela, L

Article.
Catal. Today. vol: 426. page: 0920-5861.
Date: JAN 15. 2024.
Doi: 10.1016/j.cattod.2023.114389.

Abstract:
In this work, the asymmetric catalytic activity of the recently discovered GTM-3 chiral zeolite is systematically explored for the ring-opening of trans-stilbene oxide using alcohols of different size as nucleophiles. Catalytic results show a volcano-type curve with a clear [read more]

Arturo Pérez2023-01-15T00:00:00+01:00Categories: Publications 2023|Tags: Applied; Chemistry, Chemical, Chemistry, Physical; Engineering|

Generation of mesoporosity in crystals of zeolite omega by post-synthesis treatments with surfactants

Authors: de la Fuente, AV; Mekki, A; Boukoussa, B; Grande-Casas, M; Sastre, E; Marquez-Alvarez, C; Sanchez-Sanchez, M; Perez-Pariente, J

Article.
Catal. Today. vol: 425. page: 0920-5861.
Date: JAN 1. 2024.
Doi: 10.1016/j.cattod.2023.114364.

Abstract:
The large-pore zeolite omega (SiAl = 3.1) has been treated with solutions of the surfactant hexadecyltrimethylammonium (CTA) in aqueous ammonia in order to generate intracrystalline mesoporosity. For this purpose, [read more]

Arturo Pérez2023-01-01T00:00:00+01:00Categories: Publications 2023|Tags: Applied; Chemistry, Chemical, Chemistry, Physical; Engineering|

Immobilization-stabilization of the dimeric D-amino acid oxidase from porcine kidney

Authors: Carballares, D; Fernandez-Lafuente, R; Rocha-Martin, J

Article.
Process Biochem.. vol: 122. page: 1359-5113.
Date: NOV. 2022.
Doi: 10.1016/j.procbio.2022.10.002.

Abstract:
This paper shows the immobilization of the dimeric D-amino acid oxidase (DAAO) following different methodologies. Immobilization on glyoxyl-agarose yielded activity recoveries under 5%, and it was discarded. The anion exchange on aminated supports permits the rapid enzyme immobilization, but its activity decreased [read more]

Arturo Pérez2022-11-09T17:55:17+01:00Categories: Publications 2022|Tags: Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology; Engineering, Chemical|

Shepherding reaction intermediates to optimize H-2 yield using composite-doped TiO2-based photocatalysts

Authors: Barba-Nieto, I; Colon, G; Fernandez-Garcia, M; Kubacka, A

Article.
Chem. Eng. J.. vol: 442. page: 1385-8947.
Date: AUG 15. 2022.
Doi: 10.1016/j.cej.2022.136333.

Abstract:
Optimization of Pt-promoted TiO2-based is key to promote the photocatalytic production of hydrogen using sacrificial alcohol molecules. Combination of doping and surface decoration of the mentioned base photoactive material is here exploited to maximize hydrogen yield. Using the [read more]

Arturo Pérez2022-06-08T09:30:45+02:00Categories: Publications 2022|Tags: Chemical, Engineering, Environmental; Engineering|

Role of alkali-cyano group interaction in g-C3N4 based catalysts for hydrogen photo-production

Authors: Caudillo-Flores, U; Ares-Dorado, A; Alonso-Nunez, G; Tudela, D; Fernandez-Garcia, M; Kubacka, A

Article.
Catal. Today. vol: 394. page: 0920-5861.
Date: jul-01. 2022.
Doi: 10.1016/j.cattod.2021.06.028.

Abstract:
Carbon nitride based materials incorporating K and Na alkali ions were used as support(s) to deposit platinum. The systems were tested in the photo-production of hydrogen using methanol as a sacrificial molecule. Tests under UV and [read more]

Arturo Pérez2022-09-14T10:19:47+02:00Categories: Publications 2022|Tags: Applied; Chemistry, Chemical, Chemistry, Physical; Engineering|

Influence of W loading, support type, and preparation method on the performance of zirconia or alumina-supported Pt catalysts for n-dodecane hydroisomerization

Authors: Garcia-Perez, D; Blanco-Brieva, G; Alvarez-Galvan, MC; Campos-Martin, JM

Article.
Fuel. vol: 319. page: 0016-2361.
Date: jul-01. 2022.
Doi: 10.1016/j.fuel.2022.123704.

Abstract:
Catalysts based on zirconia and alumina-supported tungsten oxides (3-18 wt% W) with a small loading of platinum (0.3 wt% Pt) were selected to study the influence of W loading, support type, and preparation methods on the hydroisomerization of n-dodecane. The alumina-and [read more]

Arturo Pérez2022-06-08T09:18:38+02:00Categories: Publications 2022|Tags: Chemical, Energy & Fuels; Engineering|

Surfactant-induced hierarchically porous MOF-based catalysts prepared under sustainable conditions and their ability to remove bisphenol A from aqueous solutions

Authors: Molina, MA; Habib, NR; Diaz, I; Sanchez-Sanchez, M

Article.
Catal. Today. vol: 394. page: 0920-5861.
Date: jul-01. 2022.
Doi: 10.1016/j.cattod.2021.10.019.

Abstract:
Metal-Organic Frameworks (MOFs) are extensively used in different applications, including heterogeneous catalysis given the fact that practically any center can be designed on demand and is accessible for reactants. Just like any other microporous catalysts, the limited diffusion of reactants [read more]

Arturo Pérez2022-07-01T00:00:00+02:00Categories: Publications 2022|Tags: Applied; Chemistry, Chemical, Chemistry, Physical; Engineering|

ZnO-functionalized fly-ash based zeolite for ciprofloxacin antibiotic degradation and pathogen inactivation

Authors: Amariei, G; Valenzuela, L; Iglesias-Juez, A; Rosal, R; Visa, M

Article.
J. Environ. Chem. Eng.. vol: 10. page: 2213-2929.
Date: JUN. 2022.
Doi: 10.1016/j.jece.2022.107603.

Abstract:
There is an increasing need for photocatalytic materials capable to remove pollutants and to deactivate microorganisms for a wide range of applications. Here we report the preparation of fly ash-based zeolite material in which ZnO was [read more]

Arturo Pérez2022-06-08T09:24:40+02:00Categories: Publications 2022|Tags: Chemical, Engineering, Environmental; Engineering|

Eco-friendly mechanochemical synthesis of titania-graphene nanocomposites for pesticide photodegradation

Highlights, Publications 2022

Eco-friendly mechanochemical synthesis of titania-graphene nanocomposites for pesticide photodegradation

Authors: Gonzalez, VJ; Vazquez, E; Villajos, B; Tolosana-Moranchel, A; Duran-Valle, C; Faraldos, M; Bahamonde, A

Article.
Sep. Purif. Technol.. vol: 289. page: 1383-5866.
Date: may-15. 2022.
Doi: 10.1016/j.seppur.2022.120638.

Abstract:
Titania graphene hybrid nanocomposites (TiO2-FLG) synthesized from graphite and TiO2 precursors, in a simple and sustainable approach via a three-step method, including the mechanochemical treatment of pre-synthesized FLG and TiO2 NPs are efficient [read more]

Arturo Pérez2022-06-08T09:21:38+02:00Categories: Highlights, Publications 2022|Tags: Chemical, Engineering|

Sustainable synthesis of semicrystalline Zr-BDC MOF and heterostructural Ag3PO4/Zr-BDC/g-C3N4 composite for photocatalytic dye degradation

Authors: Yassin, JM; Taddesse, AM; Sanchez-Sanchez, M

Article.
Catal. Today. vol: 390. page: 0920-5861.
Date: may-01. 2022.
Doi: 10.1016/j.cattod.2021.11.037.

Abstract:
Zr-based MOFs have stimulated the interest of scientific community due to their exceptional variety in composition, structure and chemical environment as well as their consequent applications including photo catalysis. This work presents the successful preparation of nanosized highly-porous Zr-BDC MOFs under sustainable [read more]

Arturo Pérez2022-05-01T00:00:00+02:00Categories: Publications 2022|Tags: Applied; Chemistry, Chemical, Chemistry, Physical; Engineering|