Publicaciones 2018

Further Stabilization of Alcalase Immobilized on Glyoxyl Supports: Amination Plus Modification with Glutaraldehyde

Authors: Hussain, F; Arana-Pena, S; Morellon-Sterling, R; Barbosa, O; Braham, SA; Kamal, S; Fernandez-Lafuente, R

Article.
Molecules. vol: 23. page: 1420-3049.
Date: DEC. 2018.
Doi: 10.3390/molecules23123188.

Abstract:
Alcalase was immobilized on glyoxyl 4% CL agarose beads. This permitted to have Alcalase preparations with 50% activity retention versus Boc-l-alanine 4-nitrophenyl ester. However, the recovered activity versus casein was under 20% at 50 degrees [leer más]

Structural Insights into the Substrate Promiscuity of a Laboratory-Evolved Peroxygenase

Authors: Ramirez-Escudero, M; Molina-Espeja, P; de Santos, PG; Hofrichter, M; Sanz-Aparicio, J; Alcalde, M

Article.
ACS Chem. Biol.. vol: 13. page: 1554-8929.
Date: DEC. 2018.
Doi: 10.1021/acschembio.8b00500.

Abstract:
Because of their minimal requirements, substrate promiscuity and product selectivity, fungal peroxygenases are now considered to be the jewel in the crown of C-H oxyfunctionalization biocatalysts. In this work, the crystal structure of the [leer más]

A new mechanistic model for an O-2-protected electron-bifurcating hydrogenase, Hnd from Desulfovibrio fructosovorans

Authors: Kpebe, A; Benvenuti, M; Guendon, C; Rebai, A; Fernandez, V; Le Laz, S; Etienne, E; Guigliarelli, B; Garcia-Molina, G; de Lacey, AL; Baffert, C; Brugna, M

Article.
Biochim. Biophys. Acta-Bioenerg.. vol: 1859. page: 0005-2728.
Date: DEC. 2018.
Doi: 10.1016/j.bbabio.2018.09.364.

Abstract:
The genome of the sulfate-reducing and anaerobic bacterium Desulfovibrio fructosovorans encodes different hydrogenases. Among them is Hnd, a tetrameric cytoplasmic [FeFe] [leer más]

New insights about coke deposition in methanol-to-DME reaction over MOR-, MFI- and FER-type zeolites

Authors: Migliori, M; Catizzone, E; Aloise, A; Bonura, G; Gomez-Hortiguela, L; Frusteri, L; Cannilla, C; Frusteri, F; Giordano, G

Article.
J. Ind. Eng. Chem.. vol: 68. page: 1226-086X.
Date: DEC 25. 2018.
Doi: 10.1016/j.jiec.2018.07.046.

Abstract:
The effect of channel-system of zeolite on methanol-to-DME reaction was studied. Results revealed that channels size and topology affect catalyst lifetime, type and location of coke precursors. [leer más]

Bimetallic Pt-Pd co-catalyst Nb-doped TiO2 materials for H-2 photo-production under UV and Visible light illumination

Authors: Caudillo-Flores, U; Munoz-Batista, MJ; Fernandez-Garcia, M; Kubacka, A

Article.
Appl. Catal. B-Environ.. vol: 238. page: 0926-3373.
Date: DEC 15. 2018.
Doi: 10.1016/j.apcatb.2018.07.047.

Abstract:
In this work we synthesized a series of binary PtPd co-catalysts supported on a Nb-doped TiO2 support. The catalytic solids and corresponding monometallic reference systems are characterized using X-ray diffraction, Xray photoelectron, and UV-vis spectroscopies, together with microscopy [leer más]

Enhancing photocatalytic performance of TiO2 in H-2 evolution via Ru co-catalyst deposition

Authors: Ouyang, WY; Munoz-Batista, MJ; Kubacka, A; Luque, R; Fernandez-Garcia, M

Article.
Appl. Catal. B-Environ.. vol: 238. page: 0926-3373.
Date: DEC 15. 2018.
Doi: 10.1016/j.apcatb.2018.07.046.

Abstract:
A series of ruthenium catalysts supported into pure anatase titania were tested in the photo-production of hydrogen from methanol:water mixtures under UV and visible illumination conditions. Catalysts containing 1, 2, 3 and 5 wt% of ruthenium [leer más]

Hydrodeoxygenation of phenol on bifunctional Ni-based catalysts: Effects of Mo promotion and support

Authors: Kordouli, E; Pawelec, B; Kordulis, C; Lycourghiotis, A; Fierro, JLG

Article.
Appl. Catal. B-Environ.. vol: 238. page: 0926-3373.
Date: DEC 15. 2018.
Doi: 10.1016/j.apcatb.2018.07.012.

Abstract:
Hydrodeoxygenation (HDO) of phenol dissolved in decalin was studied over H-2-activated Ni and Mo-Ni catalysts supported on alumina and amorphous silica alumina (ASA) in the context of the O-removal from bio-liquids. The activity test was carried [leer más]

Novel (NH4)(4) [NiMo6O24H6]center dot 5H(2)O – TiO2 composite system: Photo oxidation of toluene under UV and sunlight-type illumination

Authors: Munoz-Batista, MJ; Bertolini, GR; Cabello, CI; Luque, R; Rodriguez-Castellon, E; Kubacka, A; Fernandez-Garcia, M

Article.
Appl. Catal. B-Environ.. vol: 238. page: 0926-3373.
Date: DEC 15. 2018.
Doi: 10.1016/j.apcatb.2018.07.041.

Abstract:
A series of composite materials based on titania and growing quantities of the (NH4)(4)[NiMo6O24H6]center dot 5H(2)O heteropolyacid (NiMo6 HPA) was tested in the gas-phase toluene photo-oxidation reaction. Materials were characterized with the [leer más]

Two-dimensional Pd-nanosheets as efficient electrocatalysts for ethanol electrooxidation. Evidences of the C-C scission at low potentials

Authors: Farsadrooh, M; Torrero, J; Pascual, L; Pena, MA; Retuerto, M; Rojas, S

Article.
Appl. Catal. B-Environ.. vol: 237. page: 0926-3373.
Date: DEC 5. 2018.
Doi: 10.1016/j.apcatb.2018.06.051.

Abstract:
Pd-nanosheets with a lateral size of ca. 5 nm have been prepared by a simple chemical method. The Pd-nanosheets obtained exhibited a 2D morphology in which Pd atoms are preferentially exposed at the surface [leer más]

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