Listar IQ - Artículos por centro "Escuela de Ingenierías Industriales"
Mostrando ítems 1-15 de 15
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A new versatile x–y–z electrospinning equipment for nanofiber synthesis in both far and near field.
Calzado-Delgado, María del Mar; Guerrero-Pérez, María Olga
; Yeung, King (Nature, 2022-03-22)
This work describes a versatile electrospinning equipment with rapid, independent, and precise x–y–z movements for large-area depositions of electrospun fibers, direct writing or assembly of fibers into sub-millimeter and ... -
Advances in electrospun composite polymer/zeolite and geopolymer nanofibers: A comprehensive review.
Schneider, Mariana; Rodríguez-Castellón, Enrique; Guerrero-Pérez, María Olga; Hotza, Dachamir; De Noni Junior, Agenor; Peralta Muniz Moreira, Regina de Fátima[et al.] (Elsevier, 2024-02-05)
Electrospinning is widely recognized as an efficient, simple, and cost-effective technique for producing nanofibers. It has successfully led to the fabrication of various ultrafine polymer composites. This method has spurred ... -
Carbon-supported VPO catalysts with fibrous structure: A new family of catalysts for partial oxidation reactions
Guerrero-Pérez, María Olga; Berenguer-Betrián, Raúl; Ford, Michael; Wachs, Israel E. (Elsevier, 2023-07-15)
The present contribution describes the synthesis of a carbon supported VPO catalyst with a fibrous structure. The synthesis method is simple, low-cost, scalable and reproducible that allows the formation of the bulk mixed ... -
Combined Operando XANES and NMR and ESR Spectroscopies for the Determination of VPO Dynamic States.
Guerrero-Pérez, María Olga; Lapina, Olga B.; Rasmussen, Soren B.; Bañares, Miguel Ángel (Springer, 2023-05-29)
Nanoscaled-VPO (vanadium phosphate oxide) catalysts have been prepared on an alumina support with the objective of obtaining crystallites of the active phase with a high surface-to-volume ratio. Since the catalysed reaction ... -
Dissolvable Topical Formulations for Burst and Constant Delivery of Vitamin C
Calzado-Delgado, María del Mar; Guerrero-Pérez, María Olga; Yeung, King (American Chemical Society, 2023-03-27)
Healthy skin has a high vitamin C concentration that protects against ultraviolet (UV)-induced damage, promotes wound healing, and lowers cancer risk. The present contribution describes two drug delivery systems for topical ... -
Fischer-Tropsch synthesis over lignin-derived cobalt-containing porous carbon fiber catalysts
Valero-Romero, María José; García-Mateos, Francisco José; Kapteijn, Freek; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (Elsevier, 2023)
Cobalt-containing lignin-based fibers were synthesized in one step by electrospinning of Alcell lignin solutions as carbon precursor, a low-cost and renewable co-product of the paper making industry. The lignin fibers were ... -
Groups IV, V and VI metal oxide-containing hydrotalcite catalysts: state of the art on their catalytic applications
Valdivieso-Vera, Daniel A.; Guerrero-Pérez, María Olga (Elsevier, 2024-07-08)
The present contribution is a review paper that summarizes the structure, properties and catalytic applications of hydrotalcite based materials when they are modified by the incorporation of oxide metals from groups 4, 5 ... -
Morphological changes of vanadyl pyrophosphate due to thermal excursions
Badehbakhsh, Sepideh; Saadatkhah, Nooshin; Mahboub, Mohammad; Guerrero-Pérez, María Olga; Patience, Gregory (Elsevier, 2023-01-01)
Vanadyl pyrophosphate (VPP) is the active catalytic phase that converts n-butane to maleic anhydride in fixed beds, fluidized beds, and DuPont’s circulating fluidized bed (CFB). The original CFB concept was based on the ... -
Operando Reactor-Cell with Simultaneous Transmission FTIR and Raman Characterization (IRRaman) for the Study of Gas-Phase Reactions with Solid Catalysts.
Ternero-Hidalgo, Juan José; Guerrero-Pérez, María Olga; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás; Bañares, Miguel Ángel; Portela, Raquel; Bazin, Philippe; Cleo, Guillaume; Daturi, Marco[et al.] (American Chemical Society, 2020-03-10)
Raman and transmission FTIR spectroscopic techniques have been coupled in a new homemade reactor-cell designed in a joint CSIC–LCS collaboration. The setup is easily adapted to any FTIR and fiber-coupled Raman spectrometers ... -
Oxidative electrochemical depolymerization of lignin using highly active self-standing electrocatalysts prepared by electrospinning of lignin
García-Rollán, Miguel; Toscano-de-los-Riscos, Manuel; Ruiz-Rosas, Ramiro Rafael; Rosas, J.M.; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2025-02)
Electrooxidative depolymerization of lignin enables obtaining renewable value-added chemicals under soft operation conditions. However, current nickel foam electrodes do not fully utilize their active phase. In this study, ... -
Perspectives and State of the Art of Membrane Separation Technology as a Key Element in the Development of Hydrogen Economy.
Guerrero-Pérez, María Olga (MDPI, 2024-10-30)
Due to the objectives established by the European Union and other countries, hydrogen production will be a key technology in the coming decades. There are several starting materials and procedures for its production. All ... -
Rapid scan FTIR reveals propane (am)oxidation mechanisms over vanadium based catalysts.
Guerrero-Pérez, María Olga; McCue, Alan; Anderson, James (Elsevier, 2020-08-06)
Rapid scan FTIR coupled with Mass Spectrometry (MS) has been used to determine the role of spectroscopically observed species in the reaction media during propane dehydrogenation over a V/Al catalyst, and propane ammoxidation ... -
Removal of paracetamol on biomass-derived activated carbon: Modelling the fixed bed breakthrough curves using batch adsorption experiments
García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Marqués, María Dolores; Cotoruelo, Luis M.; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (Elsevier, 2015-05-04)
The remediation of paracetamol (PA), an emerging contaminant frequently found in wastewater treatment lants, has been studied in the low concentration range (0.3-10 mg L-1) using as adsorbent a biomass-derived activated ... -
Research progress on the applications of electrospun nano-fibers in catalysis.
Guerrero-Pérez, María Olga (MDPI, 2021-12-23)
During the last two decades, electrospinning has become a very popular technique for the fabrication of nanofibers due to its low cost and simple handling. Nanofiber materials have found utilization in many areas such as ... -
The fascinating effect of niobium as catalytic promoting agent.
Guerrero-Pérez, María Olga (Elsevier, 2019-04-20)
Niobium is a very important element in catalysis, active component of many catalytic systems. But it is not only a major component in many catalytic systems; in addition, it is usually used as a key promoter, because it ...