Vapor phase acylation of guaiacol with acetic acid over micro, nano and hierarchical MFI and BEA zeolites

Authors: Gutierrez-Rubio, S; Shamzhy, M; Cejka, J; Serrano, DP; Moreno, I; Coronado, JM

Article.
Appl. Catal. B-Environ.. vol: 285. page: 0926-3373.
Date: may-15. 2021.
Doi: 10.1016/j.apcatb.2020.119826.

Abstract:
Vapor phase acylation of guaiacol with acetic acid was explored over a series of micro, nanocrystalline, and hierarchical MFI and BEA zeolites with different acidic and textural properties using a continuous flow reactor. The main [read more]

Study of the evolution of FeNxCy and Fe3C species in Fe/N/C catalysts during the oxygen reduction reaction in acid and alkaline electrolyte

Authors: Garcia, A; Pascual, L; Ferrer, P; Gianolio, D; Held, G; Grinter, DC; Pena, MGA; Retuerto, M; Rojas, S

Article.
J. Power Sources. vol: 490. page: 0378-7753.
Date: APR 1. 2021.
Doi: 10.1016/j.jpowsour.2021.229487.

Abstract:
The nature and evolution of FeNxCy moieties in Fe/C/N catalysts has been studied by analysing Fe and N environments. TEM and Fe-XAS reveal the presence of FeNx moieties [read more]

How oxidation state and lattice distortion influence the oxygen evolution activity in acid of iridium double perovskites

Authors: Retuerto, M; Pascual, L; Pique, O; Kayser, P; Salam, MA; Mokhtar, M; Alonso, JA; Pena, M; Calle-Vallejo, F; Rojas, S

Article.
J. Mater. Chem. A. vol: 9. page: 2050-7488.
Date: 10-mar. 2021.
Doi: 10.1039/d0ta10316k.

Abstract:
In view of iridium’s scarceness and high cost, Ir-containing catalysts for water electrolyzers should have low loadings and maximal utilization. Here, we studied low-Ir-content, highly active, [read more]

Enzyme/Nanocopper Hybrid Nanozymes: Modulating Enzyme-like Activity by the Protein Structure for Biosensing and Tumor Catalytic Therapy

Authors: Losada Garcia, N; Jimenez-Alesanco, A; Velazquez-Campoy, A; Abian, O; Palomo, JM

Article.
ACS Appl. Mater. Interfaces.
Date: jan-20. 2021.
Doi: 10.1021/acsami.0c20501

Abstract:
Artificial enzymes with modulated enzyme-mimicking activities of natural systems represent a challenge in catalytic applications. Here, we show the creation of artificial Cu metalloenzymes based on the generation of Cu nanoparticles in [read more]

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]

Spinel-Type nitride compounds with improved features as solar cell absorbers

Authors: Sanchez-Palencia, P; Garcia, G; Conesa, JC; Wahnon, P; Palacios, P

Article.
Acta Mater.. vol: 197. page: 1359-6454.
Date: sep-15. 2020.
Doi: 10.1016/j.actamat.2020.07.034.

Abstract:
Ternary spinel nitrides are a new class of semiconductor materials with tunable bandgap in the visible range. In this work, we report a rational design of spinel-type nitride compounds with improved features as solar cell absorber materials by [read more]

Advances in catalytic routes for the production of carboxylic acids from biomass: a step forward for sustainable polymers

Authors: Iglesias, J; Martinez-Salazar, I; Maireles-Torres, P; Alonso, DM; Mariscal, R; Granados, ML

Review.
Chem. Soc. Rev.. vol: 49. page: 0306-0012.
Date: AUG 21. 2020.
Doi: 10.1039/d0cs00177e.

Abstract:
Polymers are ubiquitously present in our daily life because they can meet a wide range of needs and fields of applications. This success, based on an irresponsible linear consumption of plastics and the access [read more]

Facile synthesis of B/g-C(3)N(4)composite materials for the continuous-flow selective photo-production of acetone

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

Article.
Green Chem.. vol: 22. page: 1463-9262.
Date: AUG 7. 2020.
Doi: 10.1039/d0gc01326a.

Abstract:
In this work versatile boron-carbon nitride composite materials were synthesized and utilized in a sustainable process using sunlight as the energy source for the continuous-flow selective photocatalytic production of acetone from 2-propanol. It is worth [read more]

The enzyme-induced formation of iron hybrid nanostructures with different morphologies

Authors: Benavente, R; Lopez-Tejedor, D; Morales, MD; Perez-Rizquez, C; Palomo, JM

Article.
Nanoscale. vol: 12. page: 2040-3364.
Date: jun-28. 2020.
Doi: 10.1039/d0nr03142a.

Abstract:
A new synthesis method for tailor-made iron-hybrid nanoparticles has been carried out for the first time using enzymes, which directly induce the formation of inorganic iron species. The role of the protein was critical for the formation and morphology [read more]

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