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

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

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

Abstract:
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

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

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

Abstract:
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

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]

Performance of Iron-Functionalized Activated Carbon Catalysts (Fe/AC-f) on CWPO Wastewater Treatment

Authors: Medina, SM; Rey, A; Duran-Valle, C; Bahamonde, A; Faraldos, M

Article.
Catalysts. vol: 11. page: .
Date: MAR. 2021.
Doi: 10.3390/catal11030337.

Abstract:
Two commercial activated carbon were functionalized with nitric acid, sulfuric acid, and ethylenediamine to induce the modification of their surface functional groups and facilitate the stability of corresponding AC-supported iron catalysts (Fe/AC-f). Synthetized Fe/AC-f catalysts were characterized to determine [read more]

2021-03-29T00:00:00+02:00Categories: Publications 2021|Tags: , |

Pd-Oxazolone complexes conjugated to an engineered enzyme: improving fluorescence and catalytic properties

Authors: Garcia-Sanz, C; Andreu, A; de las Rivas, B; Jimenez, AI; Pop, A; Silvestru, C; Urriolabeitia, EP; Palomo, JM

Article.
Org. Biomol. Chem.. vol: 19. page: 1477-0520.
Date: mar-28. 2021.
Doi: 10.1039/d1ob00305d.

Abstract:
Different Pd-complexes containing orthometallated push-pull oxazolones were inserted by supramolecular Pd-amino acid coordination on two genetically engineered modified variants of the thermoalkalophilic Geobacillus thermocatenolatus lipase (GTL). Pd-lipase conjugation was [read more]

2021-03-28T00:00:00+01:00Categories: Publications 2021|Tags: , |

Metal doping of porous materials via a post-synthetic mechano-chemical approach: a general route to design low-loaded versatile catalytic systems

Authors: Marquez-Medina, MD; Luque, R; Balu, AM; Ivars-Barcelo, F; Carrillo-Carrion, C

Article.
Catal. Sci. Technol.. vol: 11. page: 2044-4753.
Date: mar-21. 2021.
Doi: 10.1039/d0cy01568g.

Abstract:
Mesoporous silica materials (Al-SBA-15 and Al-MCM-41) were successfully doped with two different transition metals (Zr and Fe) by following a mechano-chemical approach. Different metal precursors (metal salts versus MOF particles) were studied in order to explore their [read more]

2021-03-21T00:00:00+01:00Categories: Publications 2021|Tags: , |

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

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

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

Abstract:
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]

2021-04-08T12:17:35+02:00Categories: Publications 2021|Tags: , |

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]

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]

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