Structure and evolutionary trace-assisted screening of a residue swapping the substrate ambiguity and chiral specificity in an esterase

Authors: Cea-Rama, I; Coscolin, C; Katsonis, P; Bargiela, R; Golyshin, PN; Lichtarge, O; Ferrer, M; Sanz-Aparicio, J

Comp. Struct. Biotechnol. J… vol: 19. page: 2001-0370.
Date: . 2021.
Doi: 10.1016/j.csbj.2021.04.041.

Our understanding of enzymes with high substrate ambiguity remains limited because their large active sites allow substrate docking freedom to an extent that seems incompatible with stereospecificity. One possibility is [read more]

Defective UiO-66(Zr) as an efficient catalyst for the synthesis of bio jet-fuel precursors via aldol condensation of furfural and MIBK

Authors: de la Flor, D; Lopez-Aguado, C; Paniagua, M; Morales, G; Mariscal, R; Melero, JA

J. Catal.. vol: 401. page: 0021-9517.
Date: SEP. 2021.
Doi: 10.1016/j.jcat.2021.07.006.

The production of jet-fuel precursors from furfural (FUR) via aldol-condensation with methyl-isobutyl ketone (MIBK) over a defective UiO-66(Zr) catalyst is presented. The resultant C11 adduct (FuMe) would allow the selective production of branched alkanes [read more]

Recent developments in the use of peroxygenases – Exploring their high potential in selective oxyfunctionalisations

Authors: Hobisch, M; Holtmann, D; de Santos, PG; Alcalde, M; Hollmann, F; Kara, S

Biotechnol. Adv.. vol: 51. page: 0734-9750.
Date: nov-01. 2021.
Doi: 10.1016/j.biotechadv.2020.107615.

Peroxygenases are an emerging new class of enzymes allowing selective oxyfunctionalisation reactions in a cofactor-independent way different from well-known P450 monooxygenases. Herein, we focused on recent de-velopments from organic synthesis, molecular biotechnology and reaction engineering [read more]

Effect of N-doping and carbon nanostructures on NiCu particles for hydrogen production from formic acid

Authors: Carrales-Alvarado, DH; Lopez-Olmos, C; Dongil, AB; Kubacka, A; Guerrero-Ruiz, A; Rodriguez-Ramos, I

Appl. Catal. B-Environ.. vol: 298. page: 0926-3373.
Date: DEC 5. 2021.
Doi: 10.1016/j.apcatb.2021.120604.

A series of NiCu based catalysts were prepared using different carbon nanostructure as support and loading 2.5 wt% of each metal. The studied nanocarbon materials were: reduced graphene oxide (rGO), N-doped reduced graphene oxide [read more]

High enhancement of the hydrolysis rate of cellulose after pretreatment with inorganic salt hydrates

Authors: Lara-Serrano, M; Morales-delaRosa, S; Campos-Martin, JM; Fierro, JLG

Green Chem.. vol: 23. page: 1463-9262.
Date: AUG 7. 2021.
Doi: 10.1039/d1gc90070f.


Enzyme co-immobilization: Always the biocatalyst designers’ choice … or not? …

Authors: Arana-Pena, S; Carballares, D; Morellon-Sterlling, R; Berenguer-Murcia, A; Alcantara, AR; Rodrigues, RC; Fernandez-Lafuente, R

Biotechnol. Adv.. vol: 51. page: 0734-9750.
Date: nov-01. 2021.
Doi: 10.1016/j.biotechadv.2020.107584.

The increasing relevance of cascade reactions in biocatalysis has sparked a great interest for enzyme coimmobilization. Enzyme co-immobilization allows access to some kinetic advantages that in some instances are necessary to get the desired [read more]

Carbon nanofiber-supported tantalum oxides as durable catalyst for the oxygen evolution reaction in alkaline media

Authors: Ruiz-Cornejo, JC; Vivo-Vilches, JF; Sebastian, D; Martinez-Huerta, MV; Lazaro, MJ

Renew. Energy. vol: 178. page: 0960-1481.
Date: NOV. 2021.
Doi: 10.1016/j.renene.2021.06.076.

Active and durable electrocatalysts for the oxygen evolution reaction (OER), capable of replacing noble metal catalysts, are required to develop efficient and competitive devices within the frame of the water electrolysis technology for hydrogen production. In this work, [read more]

Advantages of Supports Activated with Divinyl Sulfone in Enzyme Coimmobilization: Possibility of Multipoint Covalent Immobilization of the Most Stable Enzyme and Immobilization via Ion Exchange of the Least Stable Enzyme

Authors: Morellon-Sterling, R; Carballares, D; Arana-Pena, S; Siar, EH; Braham, SA; Fernandez-Lafuente, R

ACS Sustain. Chem. Eng.. vol: 9. page: 2168-0485.
Date: jun-07. 2021.
Doi: 10.1021/acssuschemeng.1c01065.

Vinyl sulfone (VS)-agarose beads were used to develop a new strategy to coimmobilize enzymes with very different stabilities, enabling the reuse of the most stable immobilized enzyme. Two model combi-biocatalysts were prepared. First, trypsin [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

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

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

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

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]


October 2021
Go to Top