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Listar por autor "Escorihuela Fuentes, Jorge"

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A Deep Insight into Different Acidic Additives as Doping Agents for Enhancing Proton Conductivity on Polybenzimidazole Membranes

Escorihuela, Jorge; Garcia-Bernabe, Abel; Compañ Moreno, Vicente (MDPI AG, 2020-06)

[EN] The use of phosphoric acid doped polybenzimidazole (PBI) membranes for fuel cell applications has been extensively studied in the past decades. In this article, we present a systematic study of the physicochemical ...
C2 symmetrical nickel complexes derived from a-amino amides as efficient catalysts for the enantioselective addition of dialkylzinc reagents to aldehydes

Escorihuela Fuentes, Jorge; Altava Benito, Belén; Burguete Azcarate, Mª Isabel; Luis Lafuente, Santiago (Elsevier, 2013-01-14)

[EN] A series of C2 symmetrical 1:2 Ni:L complexes derived from a-amino amides were studied for the enantioselective addition of dialkylzinc reagents to aldehydes. Different structural elements on the ligands seem to play ...
Chemical silicon surface modification and bioreceptor attachment to develop competitive integrated photonic biosensors

Escorihuela Fuentes, Jorge; Bañuls Polo, Mª José; García Castelló, Javier; Toccafondo, Veronica; García-Rupérez, Jaime; Puchades Pla, Rosa; Maquieira Catala, Ángel (Springer Verlag, 2012)

[EN] Methodology for the functionalization of siliconbased materials employed for the development of photonic label-free nanobiosensors is reported. The studied functionalization based on organosilane chemistry allowed ...
Copper(II) complexes of bis(amino amide) ligands: effect of changes in the amino acid residue

Marti, Ines; Ferrer, Armando; Escorihuela Fuentes, Jorge; Burguete, M. Isabel; Luis, Santiago V. (Royal Society of Chemistry, 2012)

[EN] A family of ligands derived from bis(amino amides) containing aliphatic spacers has been prepared, and their protonation and stability constants for the formation of Cu2+ complexes have been determined potentiometrically. ...
Development of oligonucleotide microarrays onto si-based surfaces via thioether linkage mediated by UV irradiation

Escorihuela Fuentes, Jorge; Bañuls Polo, Mª José; Puchades Pla, Rosa; Maquieira Catala, Ángel (American Chemical Society, 2012)

Selective covalent immobilization of thiolated oligonucleotides onto an epoxy-functionalized silicon-substrate can be achieved via light radiation (365 nm). Following this approach, thiol-modified oligonucleotide probes ...
Diffusivity and free anion concentration of ionic liquid composite polybenzimidazole membranes

Barjola Arturo; Escorihuela, Jorge; García-Bernabé, Abel; Sahuquillo, Óscar; Giménez Torres, Enrique; Compañ Moreno, Vicente (The Royal Society of Chemistry, 2021-08-10)

[EN] In this article, PBI composite membranes containing the ionic liquid (IL) 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMIM-NTf2) at 1, 5, 10, 20 and 50 wt% (named PBI-IL-x) have been prepared by a ...
Direct and label-free monitoring oligonucleotide immobilization, non-specific binding and DNA biorecognition

López Paz, José Luis; González Martínez, Miguel Ángel; Escorihuela Fuentes, Jorge; Bañuls Polo, Mª José; Puchades Pla, Rosa; Maquieira Catala, Ángel (Elsevier, 2014-03-01)

DNA binding chemistry on silicon surface has been investigated. Aminated oligonucleotide probes were immobilized on the chip surface by chemical silanization and further covalent attachment. The chemistries employed were ...
Direct covalent attachment of DNA microarrays by rapid thiol-ene "click" chemistry

Escorihuela Fuentes, Jorge; Bañuls Polo, María-José; Grijalvo-Torrijo, Santiago; Eritja, Ramón; Puchades, Rosa; Maquieira Catala, Ángel (American Chemical Society, 2014-03)

[EN] A rapid strategy for the covalent immobilization of DNA onto silicon-based materials using the UV-initiated radical thiol-ene reaction is presented in this study. Following this approach, thiol- and alkene-modified ...
Distribution of Relaxation Times: Debye Length Distribution vs Electrode Polarization by a Cole-Cole Relaxation Model

Compañ Moreno, Vicente; Díaz Calleja, Ricardo; Diaz-Boils, Joaquín; Escorihuela, Jorge (The Electrochemical Society, 2022-01-01)

[EN] Mobility, diffusivity and charge density in polyelectrolytes, are generally determined from electrochemical impedance spectroscopy following the electrode polarization analysis, in which at a given temperature the ...
DNA microarrays on silicon surfaces through thiol-ene chemistry

Escorihuela Fuentes, Jorge; Bañuls Polo, Mª José; Puchades Pla, Rosa; Maquieira Catala, Ángel (Royal Society of Chemistry, 2012)

The potential of thiol-ene chemistry as a selective strategy to functionalize silicon materials for DNA microarraying is demonstrated and applied to discriminate genetic variations. © 2012 The Royal Society of Chemistry.
Dual-Polarization Interferometry: A Novel Technique To Light up the Nanomolecular World

Escorihuela Fuentes, Jorge; González Martínez, Miguel Ángel; López-Paz, José Luis; Puchades, Rosa; Maquieira Catala, Ángel; Giménez Romero, David (American Chemical Society, 2015-01-14)

[EN] The challenging lecture given in 1959 by physicist and Nobel Prize awarded R. P. Feynman: “There's plenty of room at the bottom” is considered to be the starting point for nanotechnology. With this peculiar title, ...
Effect of metallacarborane salt H[COSANE] doping on the performance properties of polybenzimidazole membranes for high temperature PEMFCs

Olvera-Mancilla, Jessica; Escorihuela, Jorge; Alexandrova, Larissa; Andrio, Andreu; Garcia-Bernabe, Abel; Del Castillo, Luis Felipe; Compañ Moreno, Vicente (The Royal Society of Chemistry, 2020-08-28)

[EN] In this paper, a series of composite proton exchange membranes comprising a cobaltacarborane protonated H[Co(C2B9H11)(2)] named (H[COSANE]) and polybenzimidazole (PBI) for a high temperature proton exchange membrane ...
Efficient chirality switching in the addition of diethylzinc to aldehydes in the presence of simple chiral alpha-amino amides

Burguete, M.I.; Collado, M.; Escorihuela Fuentes, Jorge; Luis Lafuente, Santiago (Wiley, 2007-09)
Enhanced Conductivity of Composite Membranes Based on Sulfonated Poly(Ether Ether Ketone) (SPEEK) with Zeolitic Imidazolate Frameworks (ZIFs)

Barjola-Ruiz, Arturo; Escorihuela Fuentes, Jorge; Andrio Balado, Andreu; Giménez Torres, Enrique; Compañ Moreno, Vicente (MDPI AG, 2018)

[EN] The zeolitic imidazolate frameworks (ZIFs) ZIF-8, ZIF-67, and a Zn/Co bimetallic mixture (ZMix) were synthesized and used as fillers in the preparation of composite sulfonated poly(ether ether ketone) (SPEEK) membranes. ...
Experimental Study of the Oriented Immobilization of Antibodies on Photonic Sensing Structures by Using Protein A as an Intermediate Layer

Caroselli, Raffaele; Garcia Castello, Javier; Escorihuela Fuentes, Jorge; Bañuls Polo, María-José; Maquieira Catala, Ángel; García-Rupérez, Jaime (MDPI AG, 2018-03-28)

[EN] A proper antibody immobilization on a biosensor is a crucial step in order to obtain a high sensitivity to be able to detect low target analyte concentrations. In this paper, we present an experimental study of the ...
Hydrogen Production from Methanol-Water Solution and Pure Water Electrolysis Using Nanocomposite Perfluorinated Sulfocationic Membranes Modified by Polyaniline

Sánchez-Diaz, Carlos; Espinos Gutierrez, Francisco Juan; Barjola, Arturo; Escorihuela, Jorge; Compañ Moreno, Vicente (MDPI AG, 2022-11)

[EN] In this work, we report the preparation of Nafion membranes containing two different nanocomposite MF-4SC membranes, modified with polyaniline (PANI) by the casting method through two different polyaniline infiltration ...
Improved Performance of DNA Microarray Multiplex Hybridization Using Probes Anchored at Several Points by Thiol-Ene or Thiol-Yne Coupling Chemistry

Bañuls Polo, María-José; Jimenez-Meneses, P.; Meyer, A.; Vasseur, J.J.; Morvan, F.; Escorihuela Fuentes, Jorge; Puchades, Rosa; Maquieira Catala, Ángel (American Chemical Society, 2017)

[EN] Nucleic acid microarray-based assay technology has shown lacks in reproducibility, reliability, and analytical sensitivity. Here, a new strategy of probe attachment modes for silicon-based materials is built up. Thus, ...
Influence of the anion on diffusivity and mobility of ionic liquids composite polybenzimidazol membranes

Compañ Moreno, Vicente; Escorihuela Fuentes, Jorge; Olvera, Jessica; Garcia-Bernabe, Abel; ANDRIO, ANDREU (Elsevier, 2020-09-10)

[EN] The study of proton conductivity processes has received increasing attention in the past decades due to their potential applications in fields such as electrochemical devices and fuel cells. Despite the high number ...
Ionic Liquid Composite Polybenzimidazol Membranes for High Temperature PEMFC Applications

Escorihuela, Jorge; Garcia Bernabe, Abel; Montero Reguera, Álvaro Enrique; Sahuquillo, Oscar; Giménez Torres, Enrique; Compañ Moreno, Vicente (MDPI AG, 2019-04)

[EN] A series of proton exchange membranes based on polybenzimidazole (PBI) were prepared using the low cost ionic liquids (ILs) derived from 1-butyl-3-methylimidazolium (BMIM) bearing different anions as conductive fillers ...
New advances in dual stereocontrol for asymmetric reactions

Escorihuela Fuentes, Jorge; Burguete Azcarate, Mª Isabel; Luis Lafuente, Santiago (Royal Society of Chemistry, 2013-04-16)

[EN] Achieving dual stereocontrol in asymmetric reactions using a single enantiomer for the building of the chiral catalyst or auxiliary is a very important goal in enantioselective synthesis as it eliminates the need for ...