Structure-directing study of 1-methylimidazolium-based dication with tetramethylene as spacer length in the synthesis of microporous silicoaluminophosphates dagger

Autores: Tavares, TK; Almeida, G; Variani, YM; Bernardo-Gusmao, K; Vinaches, P; Alcantara, ACS; Paiva, AEM; Gomez-Hortiguela, L; Rojas, A

Artículo; Early Access.
New J. Chem.. vol: . page: 1144-0546.
Fecha: . .
Doi: 10.1039/d0nj06163h.

Resumen:
In this work we study the structure-directing effect of 1-methylimidazolium-based dications that have four methylene units as the spacer length (4BI), as Organic Structure-Directing Agent (OSDA) in [read more]

2021-04-29T17:59:34+02:00Categories: Publications 2021|Tags: , |

Hyperspectral Imaging and Optical Trapping: Complementary Tools for Assessing Direction-Dependent Polarized Emission from Single Upconverting LiYF4:Yb3+/Er3+ Microparticles

Autores: Panov, N; Lu, DS; Ortiz-Rivero, E; Rodrigues, EM; Haro-Gonzalez, P; Jaque, D; Hemmer, E

Artículo; Early Access.
Adv. Opt. Mater.. vol: . page: 2195-1071.
Fecha: . .
Doi: 10.1002/adom.202100101.

Resumen:
Single-particle fluorescent probes with the capacity to infer specific intracellular conditions, for instance, have great application potential in the realm of biomedicine. Imaging techniques that improve our understanding of the fluorescence [read more]

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

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

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

Resumen:
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

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

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

Resumen:
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]

Palladium Nanocatalysts for Cascade C-N Cross-Coupling/Heck Reaction

Autores: Rodriguez-Oliva, I; Losada-Garcia, N; Santos, AS; Marques, MMB; Palomo, JM

Artículo; Early Access.
Asian J. Org. Chem.. vol: . page: 2193-5807.
Fecha: . .
Doi: 10.1002/ajoc.202100077.

Resumen:
Highly stable nanocatalysts have been synthesized in aqueous medium at room temperature by the in situ formation of Pd nanoparticles (PdNPs) embedded in an enzyme net. Different parameters in the synthesis were evaluated such [read more]

2021-04-08T12:18:39+02:00Categories: Publications 2021|Tags: , |

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

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

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

Resumen:
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]

Effect of amine length in the interference of the multipoint covalent immobilization of enzymes on glyoxyl agarose beads

Authors: Morellon-Sterling, R; Siar, E; Braham, SA; de Andrades, D; Pedroche, J; Millan, MD; Fernandez-Lafuente, R

Article.
J. Biotechnol.. vol: 329. page: 0168-1656.
Date: mar-10. 2021.
Doi: 10.1016/j.jbiotec.2021.02.005.

Abstract:
Trypsin, chymotrypsin, penicillin G acylase and ficin extract have been stabilized by immobilization on glyoxyl agarose, adding different aliphatic compounds bearing a primary amine group during the immobilization: ethyl amine, butyl amine, hexyl [read more]

Pt-BiVO4/TiO2 composites as Z-scheme photocatalysts for hydrogen production from ethanol: the effect of BiVO4 and Pt on the photocatalytic efficiency

Autores: Mansour, S; Akkari, R; Soto, E; Ben Chaabene, S; Mota, N; Yerga, RNM; Fierro, JLG; Zina, MS

Artículo.
New J. Chem.. vol: 45. page: 1144-0546.
Fecha: mar-07. 2021.
Doi: 10.1039/d0nj05596d.

Resumen:
A series of BiVO4/TiO2 nanocomposites with high surface area have been synthesized by a sol-gel method combined with supercritical drying. BiVO4/TiO2 samples with different BiVO4 loadings were synthesized in order [read more]

2021-04-08T12:01:57+02:00Categories: Publications 2021|Tags: , |

Comparing Ligninolytic Capabilities of Bacterial and Fungal Dye-Decolorizing Peroxidases and Class-II Peroxidase-Catalases

Authors: Linde, D; Ayuso-Fernandez, I; Laloux, M; Aguiar-Cervera, JE; de Lacey, AL; Ruiz-Duenas, FJ; Martinez, AT

Article.
Int. J. Mol. Sci.. vol: 22. page: .
Date: MAR. 2021.
Doi: 10.3390/ijms22052629.

Abstract:
We aim to clarify the ligninolytic capabilities of dye-decolorizing peroxidases (DyPs) from bacteria and fungi, compared to fungal lignin peroxidase (LiP) and versatile peroxidase (VP). With this purpose, DyPs from Amycolatopsis [read more]

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