Engineering

Effect of surface area and physical-chemical properties of graphite and graphene-based materials on their adsorption capacity towards metronidazole and trimethoprim antibiotics in aqueous solution

Authors: Carrales-Alvarado, DH; Rodriguez-Ramos, I; Leyva-Ramos, R; Mendoza-Mendoza, E; Villela-Martinez, DE

Article.
Chem. Eng. J.. vol: 402. page: 1385-8947.
Date: DEC 15. 2020.
Doi: 10.1016/j.cej.2020.126155.

Abstract:
The adsorption of metronidazole (MNZ) and trimethoprim (TMP) antibiotics from water on nanomaterials synthesized from graphene oxide and graphite, was examined thoroughly. The effect of the physicochemical properties and surface area onto the adsorption capacity of [read more]

Strong effect of light scattering by distribution of TiO2 particle aggregates on photocatalytic efficiency in aqueous suspensions

Authors: Tolosana-Moranchel, A; Pecharroman, C; Faraldos, M; Bahamonde, A

Article.
Chem. Eng. J.. vol: 403. page: 1385-8947.
Date: JAN 1. 2021.
Doi: 10.1016/j.cej.2020.126186.

Abstract:
This work examines the important role of light power absorbed by TiO2 on the photocatalytic degradation of dichloroacetic acid (DCA) in a semi-continuous slurry photoreactor with UV-Vis radiation. This system is an excellent model for understanding the light [read more]

Glycerol Oxidation over Supported Gold Catalysts: The Combined Effect of Au Particle Size and Basicity of Support

Authors: Pakrieva, E; Kolobova, E; German, D; Stucchi, M; Villa, A; Prati, L; Carabineiro, SAC; Bogdanchikova, N; Corberan, VC; Pestryakov, A

Article.
Processes. vol: 8. page: .
Date: SEP. 2020.
Doi: 10.3390/pr8091016.

Abstract:
Gold nanoparticles supported on various oxides (CeO2, CeO2/TiO2, MgO, MgO/TiO2, La2O3, La2O3/TiO2) (with 4 wt.% Au loading) were investigated in the liquid (aqueous) phase oxidation of glycerol by molecular [read more]

2020-09-05T00:00:00+02:00Categories: Publications 2020|Tags: , |

Genetically engineered proteins with two active sites for enhanced biocatalysis and synergistic chemo- and biocatalysis

Authors: Sandra Alonso, Gerard Santiago, Isabel Cea-Rama, Laura Fernandez-Lopez, Cristina Coscolín, Jan Modregger, Anna K. Ressmann, Mónica Martínez-Martínez, Helena Marrero, Rafael Bargiela, Marcos Pita, Jose L. Gonzalez-Alfonso, Manon L. Briand, David Rojo, Coral Barbas, Francisco J. Plou, Peter N. Golyshin, Patrick Shahgaldian, Julia Sanz-Aparicio, Víctor Guallar & Manuel Ferrer.

Article.
Nat Catal 3, 319–328 (2020).
Date: March 2020.
Doi: 10.1038/s41929-019-0394-4

Abstract:
Enzyme engineering has allowed not only the de novo creation of active sites catalysing known biological reactions with rates close to diffusion limits, [read more]

g-C3N4/TiO2 composite catalysts for the photo-oxidation of toluene: Chemical and charge handling effects

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

Article.
Chem. Eng. J.. vol: 378. page: 1385-8947.
Date: DEC 15. 2019.
Doi: 10.1016/j.cej.2019.122228.

Abstract:
The interaction between carbon nitride and titania in g-C3N4/TiO2 materials is analyzed from a new perspective. The composite materials are prepared using a well crystallized anatase substrate over which carbon nitride (0.5-4 wt%, promoted or not [read more]

TiO2-rGO photocatalytic degradation of an emerging pollutant: kinetic modelling and determination of intrinsic kinetic parameters

Authors: Tolosana-Moranchel, A; Manassero, A; Satuf, ML; Alfano, OM; Casas, JA; Bahamonde, A

Article.
J. Environ. Chem. Eng.. vol: 7. page: 2213-2929.
Date: OCT. 2019.
Doi: 10.1016/j.jece.2019.103406.

Abstract:
An intrinsic kinetic model, derived from a suggested reaction photo-mechanism and with an explicit dependence on the local volumetric rate of photon absorption (LVRPA), was developed to simulate the photocatalytic degradation of clofibric acid [read more]

Characterization and performance of Cu2O nanostructures on Cu wire photocatalyst synthesized in-situ by chemical and thermal oxidation

Authors: Ansari, F; Sheibani, S; Fernandez-Garcia, M

Article.
J. Mater. Sci.-Mater. Electron.. vol: 30. page: 0957-4522.
Date: JUL. 2019.
Doi: 10.1007/s10854-019-01745-8.

Abstract:
In this study, Cu2O nanostructures on Cu wire were formed with in situ chemical and then thermal oxidation to obtain the desirable structure, morphology and optical properties in order to enhance visible-light photocatalytic activity. The findings suggested that the procedure [read more]

An approach on the comparative behavior of chloro / nitro substituted phenols photocatalytic degradation in water

Authors: Tolosana-Moranchel, A; Ovejero, D; Barco, B; Bahamonde, A; Diaz, E; Faraldos, M

Article.
J. Environ. Chem. Eng.. vol: 7. page: 2213-2929.
Date: JUN. 2019.
Doi: 10.1016/j.jece.2019.103051.

Abstract:
The study of position and number of substituents on the photocatalytic removal of some mono-, di- and tri-, chloro- and nitrophenols, as well as more known initial TOC concentration effect, has revealed the noteworthy [read more]

Enhancing the fracture toughness of hierarchical composites through amino-functionalised carbon nanotube webs

Authors: Nistal, A; Falzon, BG; Hawkins, SC; Chitwan, R; Garcia-Diego, C; Rubio, F

Article.
Compos. Pt. B-Eng.. vol: 165. page: 1359-8368.
Date: may-15. 2019.
Doi: 10.1016/j.compositesb.2019.02.001.

Abstract:
The introduction of carbon nanotubes (CNTs) in structural fibre-reinforced polymers, to imbue the composite with multifunctional properties (e.g. enhancing electrical/thermal conductivity, structural health monitoring), has received much attention in recent years. Maintaining, and preferably enhancing, [read more]

Antimicrobial surfaces with self-cleaning properties functionalized by photocatalytic ZnO electrosprayed coatings

Authors: Valenzuela, L; Iglesias, A; Faraldos, M; Bahamonde, A; Rosal, R

Article.
J. Hazard. Mater.. vol: 369. page: 0304-3894.
Date: may-05. 2019.
Doi: 10.1016/j.jhazmat.2019.02.073.

Abstract:
Photoactive coatings of sol-gel ZnO suspensions were electrosprayed on glass substrates to produce self-cleaning antimicrobial functionalized surfaces. ZnO-functionalized materials exhibited a uniform external surface consisting of a pattern of microspheres with diameters in the 100-300 nm range. [read more]

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