Cristina González‐Fernández

CO2 Conversion: Three-Dimensional Modelling of Gas Diffusion Electrodes

Cristina González‐Fernández, Camilo Peralta, José Antonio Abarca, Esther Santos et autres

Electrochemical reduction of CO2 (ERCO2) in gas diffusion electrode (GDE)-based electrolyzers represents a potential strategy for global decarbonization, achieving simultaneously the valorization of this abundant carbon resource. While significant progress has been achieved in enhancing CO2 conversion in these systems, further advances …

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Unlocking the potential of waste activated sludge for protease production: Kinetic modelling and detergent application

Juan F. Moreno, Paula Oulego, Elia Tomás-Pejó, Cristina González‐Fernández et autres

The sustainable management of waste activated sludge (WAS) is increasingly urgent due to its vast global generation and associated environmental and health risks. This study proposes an innovative valorisation strategy for protease production by Bacillus licheniformis , using WAS as a renewable …

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Magnetic recovery of microplastics in dynamic flow systems: progress toward continuous separation

Cristina González‐Fernández, Marta Díaz-Rivas, Marı́a J. Rivero, Inmaculada Ortíz et autres

• Flow-through magnetic separation as a step forward in microplastic remediation • Evaluation of magnetic field distribution and magnitude in magnetic separators • Investigation of magnetic-to-drag force balance acting on magnetized microplastics • Analysis using a dimensionless parameter coupling force balance and …

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Microbial Oil Production from Volatile Fatty Acids-Rich Waste Streams as a Low-Cost Carbon Source for Microalgae-Yeast Co-Cultivation

Marcela Levío-Raimán, Mihai Lucian Lomanar, Cristina González‐Fernández

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Transcriptomics-based analysis of acetate and propionate transport and metabolism in Yarrowia lipolytica

Mia Žganjar, David Sanz-Mata, Urška Hancman, Neža Čadež et autres

BACKGROUND: Yarrowia lipolytica is a promising host for sustainable microbial oil production from waste-derived carboxylic acids such as acetate and propionate. Nonetheless, the molecular mechanisms underlying the metabolism and assimilation of these substrates, particularly under nitrogen limitation, are still not fully understood. …

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A cascade of localized transitions drives system-wide microbial collapse

Pedro Cermeño, Chun‐Wei Chang, Magnus Ø. Arntzen, Carmen García‐Comas et autres

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Prototype Validation of a Large‐Scale CO2‐to‐Formate Zero‐Gap Electrolyzer

José Antonio Abarca, Cristina González‐Fernández, Axel Arruti, Esther Santos et autres

The scale‐up of gas‐phase CO2 electroreduction to formate is crucial for its industrial application but remains largely unexplored. This work presents the design and validation of a 100 cm2 electrolyzer prototype featuring a zero‐gap configuration and a serpentine flow field to ensure …

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Magnetic Field-Enhanced CO₂ Electroreduction: A Novel Strategy for Improved Efficiency and Industrial Scalability

José Antonio Abarca, Cristina González‐Fernández, Jenifer Gómez‐Pastora, Guillermo Díaz‐Sainz et autres

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Magnetically enhanced electrochemical conversion of CO2 to formate: Experimental studies

José Antonio Abarca, Xian Zhen Wu, Cristina González‐Fernández, Ioannis H. Karampelas et autres

The application of external magnetic fields in electrochemical processes has emerged as a promising strategy to enhance efficiency. Nevertheless, the use of magnetic fields in electrochemical CO 2 reduction (ERCO 2 ) has been scarcely explored. This study evaluates the impact of …

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Photomorphogenic and Biochemical Effects of Radiation and Nitrate Availability on the Red Alga Plocamium cartilagineum

Bruna Rodrigues Moreira, Julia Vega, Marta García-Sánchez, Cristina González‐Fernández et autres

Non-photosynthetic photoreceptors detecting different wavelength ranges in the UV and visible region of spectra may trigger algal acclimation and homeostasis. We studied Plocamium cartilagineum responses based on the saturation of photosynthesis by Amber light and supplementation by different light qualities, applying an …

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Vinasses valorization into short-chain fatty acids: microbiome robustness against process variations

Silvia Greses, Mercedes Llamas, Aboudi Kaoutar, Cristina González‐Fernández

Abstract The valorization of vinasses into short-chain fatty acids (SCFAs) via anaerobic fermentation (AF) is an emerging approach that remains under research. Given the diverse microbial metabolisms simultaneously occurring in AF, the control of operational parameters is essential to avoid process destabilization. …

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Short-chain fatty acids production from maize silage: impact of stepwise hydraulic retention time reduction on microbial adaptation and process output

Mercedes Llamas, J.A. Villamil, Silvia Greses, Elia Tomás‐Pejó et autres

The conversion of maize silage, byproduct of bioethanol production, into short-chain fatty acids (SCFAs) through anaerobic fermentation (AF) is a promising approach. Due to the diverse microbial metabolisms involved, precise control of operational parameters is crucial to maintain the stability of the …

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