Chemistry

Enzymatic synthesis of mono- and disubstituted phospholipids by direct condensation of oleic acid and glycerophosphocholine with immobilized lipases and phospholipase

Autores: Garcia-Quinto, E; Garcia-Garcia, P; Guisan, JM; Fernandez-Lorente, G

Artículo.
Food Chem.. vol: 401. page: 0308-8146.
Fecha: feb-01. 2023.
Doi: 10.1016/j.foodchem.2022.134109.

Resumen:
Lysophospholipids which contain polyunsaturated fatty acids play a key role in food and cosmetic industries because of their bioactivity. Therefore, the formation of mono-and disubstituted phospholipids is quite inter-esting as they could be used for the formation of different natural [read more]

Bimetallic MnO2-supported catalysts for selective reduction of NO with NH3. Operando IR studies

Autores: Serrano-Lotina, A; Cruz, K; Banares, MA; Daturi, M; Avila, P

Article.
Appl. Surf. Sci.. vol: 610. page: 0169-4332.
Fecha: feb-01. 2023.
Doi: 10.1016/j.apsusc.2022.155550.

Resumen:
Bimetallic shaped catalysts were prepared by wet equilibrium impregnation. MnO2 was the main component and a second metal oxide (Co, Fe and Ce oxides) was added. The highest catalytic activity in the selective reduction of NOx with [read more]

Temperature-induced formation of Pd nanoparticles in heterogeneous nanobiohybrids: application in C-H activation catalysis

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

Artículo.
Nanoscale Adv.. vol: 5. page: 2516-0230.
Fecha: JAN 18. 2023.
Doi: 10.1039/d2na00742h.

Resumen:
The effect of the temperature in the synthesis of Pd nanoparticles in the metal-enzyme biohybrids is evaluated. The effect on the formation, size, and morphology of nanoparticles was evaluated using C. antarctica B lipase as the protein scaffold. XRD [read more]

Electrocatalytic Oxygen Reduction Reaction on 48-Tungsto-8-Phosphate Wheel Anchored on Carbon Nanomaterials

Autores: Novais, HC; Jarrais, B; Haider, A; Kortz, U; Guerrero-Ruiz, A; Rodriguez-Ramos, I; Freire, C; Fernandes, DM

Artículo; Early Access.
Electrocatalysis. vol: . page: 1868-2529.
Fecha: . .
Doi: 10.1007/s12678-022-00792-w.

Resumen:
Regardless of great efforts, the development of novel low cost electrocatalysts with high electrocatalytic activity for the oxygen reduction reaction (ORR) remains a real challenge. This is a setback for the [read more]

POLYANILINE SUPPORTED g-C3N4/CeO2 FLUORESCENT CHEMOSENSOR FOR SELECTED HEAVY METAL AND NITRATE IONS DETERMINATION

Autores: Ali, AH; Diaz, I; Tsegaye, AA; Mengesha, AT

Arículo.
Acta Chem. Iasi. vol: 30. page: 2067-2438.
Fecha: . 2022.
Doi: 10.47743/achi-2022-1-0003.

Resumen:
The increasing of toxic heavy metal and nitrate ions contamination in water and food systems worldwide has become a core problem. Therefore, the development of real-time, highly sensitive and selective, simple technique for nitrate and toxic heavy metals ions [read more]

2023-03-06T20:00:52+01:00Categories: Publications 2023|Tags: , |

Carbon nanodots modified-electrode for peroxide-free cholesterol biosensing and biofuel cell design

Autores: del Barrio, M; Martinez-Perinan, E; Gutierrez-Sanchez, C; Mateo-Marti, E; Pita, M; De Lacey, AL; Pariente, F; Lorenzo, E

Artículo.
Sens. Actuator B-Chem.. vol: 375. page: .
Fecha: JAN 15. 2023.
Doi: 10.1016/j.snb.2022.132895.

Resumen:
The determination of cholesterol is greatly important because high concentrations of this biomarker are associated to heart disease. Moreover, cholesterol can be used as a fuel in enzymatic [read more]

Affinity-matured DLL4 ligands as broad-spectrum modulators of Notch signaling

Autores: David Gonzalez-Perez, Satyajit Das, Daniel Antfolk, Hadia S. Ahsan, Elliot Medina, Carolyn E. Dundes, Rayyan T. Jokhai, Emily D. Egan, Stephen C. Blacklow, Kyle M. Loh, Paulo C. Rodriguez & Vincent C. Luca

Artículo;
Nature Chemical Biology. 19, pages9–17
Fecha: sept. 2022
Doi: 10.1039/d2se01073a.

Resumen:

The Notch pathway regulates cell fate decisions and is an emerging target for regenerative and [read more]

Inversion of chirality in GTM-4 enantio-enriched zeolite driven by a minor change of the structure-directing agent

Autores: de la Serna, R; Arnaiz, I; Marquez-Alvarez, C; Perez-Pariente, J; Gomez-Hortiguela, L

Artículo.
Chem. Commun.. vol: 58. page: 1359-7345.
Fecha: nov-24. 2022.
Doi: 10.1039/d2cc04958a.

Resumen:
A surprising inversion of chirality of the -ITV zeolite framework is observed when the ethyl group of the enantiopure N,N-ethyl-methyl-pseudoephedrinium organic structure-directing agent is replaced by a benzyl or 2-methylbenzyl group, keeping the same molecular absolute [read more]

2022-11-24T00:00:00+01:00Categories: Publicaciones 2022|Tags: , |

Nitrogen-doped carbon decorated-Ni3Fe@Fe3O4 electrocatalyst with enhanced oxygen evolution reaction performance

Autores: Gebreslase, GA; Sebastian, D; Martinez-Huerta, MV; Lazaro, MJ

Artículo.
J. Electroanal. Chem.. vol: 925. page: 1572-6657.
Fecha: nov-15. 2022.
Doi: 10.1016/j.jelechem.2022.116887.

Resumen:
High performance, durable and inexpensive electrocatalyst for oxygen evolution reaction (OER) is of great importance for tenable hydrogen production via water electrolysis. Although spinel oxides (AB2O4, A, B = metal) represent a class of promising candidates for OER, their [read more]

Aqueous phase hydrogenation of maleic acid to succinic acid mediated by formic acid: the robustness of the Pd/C catalytic system

Autores: Orozco-Saumell, A; Mariscal, R; Iglesias, J; Maireles-Torres, P; Granados, ML

Article; Early Access.
Sustain. Energ. Fuels. vol: . page: 2398-4902.
Fecha: . .
Doi: 10.1039/d2se01073a.

Resumen:
Long-term liquid phase studies of the activity in the formic acid-mediated hydrogenation of MAc to SAc were conducted in a fixed bed continuous reactor for two relevant situations: neutralising maleic and formic acids with NaOH [read more]

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