Search Results - "del Barrio, Melisa"

Redox (In)activations of Metalloenzymes: A Protein Film Voltammetry Approach by Barrio, Melisa, Fourmond, Vincent

“…Redox metalloenzymes are omnipresent in living organisms where they catalyze key cellular reactions with great efficiency. These enzymes can often be…”
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Enhancement of Biosensors by Implementing Photoelectrochemical Processes by Del Barrio, Melisa, Luna-López, Gabriel, Pita, Marcos

“…Research on biosensors is growing in relevance, taking benefit from groundbreaking knowledge that allows for new biosensing strategies. Electrochemical…”
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A Chimeric NiFe Hydrogenase Heterodimer to Assess the Role of the Electron Transfer Chain in Tuning the Enzyme’s Catalytic Bias and Oxygen Tolerance by Fasano, Andrea, Guendon, Chloé, Jacq-Bailly, Aurore, Kpebe, Arlette, Wozniak, Jérémy, Baffert, Carole, Barrio, Melisa del, Fourmond, Vincent, Brugna, Myriam, Léger, Christophe

“…The observation that some homologous enzymes have the same active site but very different catalytic properties demonstrates the importance of long-range…”
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Interaction of the H‑Cluster of FeFe Hydrogenase with Halides by del Barrio, Melisa, Sensi, Matteo, Fradale, Laura, Bruschi, Maurizio, Greco, Claudio, de Gioia, Luca, Bertini, Luca, Fourmond, Vincent, Léger, Christophe

“…FeFe hydrogenases catalyze H2 oxidation and production using an “H-cluster”, where two Fe ions are bound by an aza-dithiolate (adt) ligand. Various hypotheses…”
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Free PCR virus detection via few-layer bismuthene and tetrahedral DNA nanostructured assemblies by Gutiérrez-Gálvez, Laura, García-Fernández, Daniel, Barrio, Melisa del, Luna, Mónica, Torres, Íñigo, Zamora, Félix, Navío, Cristina, Milán-Rois, Paula, Castellanos, Milagros, Abreu, Melanie, Cantón, Rafael, Galán, Juan Carlos, Somoza, Álvaro, Miranda, Rodolfo, García-Mendiola, Tania, Lorenzo, Encarnación

“…In this work we describe a highly sensitive method based on a biocatalyzed electrochemiluminescence approach. The system combines, for the first time, the use…”
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Valine-to-Cysteine Mutation Further Increases the Oxygen Tolerance of Escherichia coli NiFe Hydrogenase Hyd‑1 by del Barrio, Melisa, Guendon, Chloé, Kpebe, Arlette, Baffert, Carole, Fourmond, Vincent, Brugna, Myriam, Léger, Christophe

“…Some NiFe hydrogenases are particularly resistant to O2 as a result of either the natural presence of a particular FeS cluster or the artificial replacement of…”
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A Hydrophilic Channel Is Involved in Oxidative Inactivation of a [NiFeSe] Hydrogenase by Zacarias, Sónia, Temporão, Adriana, Barrio, Melisa del, Fourmond, Vincent, Léger, Christophe, Matias, Pedro M, Pereira, Inês A. C

“…Hydrogenases are metalloenzymes that catalyze the redox conversion between H2 and protons. The so-called [NiFeSe] hydrogenases are highly active for both H2…”
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Reagentless fluorescent biosensors based on proteins for continuous monitoring systems by Galbán, Javier, Sanz-Vicente, Isabel, Ortega, Estefania, del Barrio, Melisa, de Marcos, Susana

“…There is a lack of commercially available efficient and autonomous systems capable of continuous monitoring of (bio)chemical data for clinical, environmental,…”
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Engineering an [FeFe]-Hydrogenase: Do Accessory Clusters Influence O2 Resistance and Catalytic Bias? by Caserta, Giorgio, Papini, Cecilia, Adamska-Venkatesh, Agnieszka, Pecqueur, Ludovic, Sommer, Constanze, Reijerse, Edward, Lubitz, Wolfgang, Gauquelin, Charles, Meynial-Salles, Isabelle, Pramanik, Debajyoti, Artero, Vincent, Atta, Mohamed, del Barrio, Melisa, Faivre, Bruno, Fourmond, Vincent, Léger, Christophe, Fontecave, Marc

“…[FeFe]-hydrogenases, HydAs, are unique biocatalysts for proton reduction to H2. However, they suffer from a number of drawbacks for biotechnological…”
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Glucose oxidase immobilized on magnetic nanoparticles: Nanobiosensors for fluorescent glucose monitoring by del Barrio, Melisa, Moros, María, Puertas, Sara, de la Fuente, Jesús M., Grazú, Valeria, Cebolla, Vicente, de Marcos, Susana, Galbán, Javier

“…The authors describe enzyme based nanobiosensors for continuous monitoring of glucose, with the long term goal of using them as smart diagnostic tattoos. The…”
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Photoelectrocatalytic detection of NADH on n-type silicon semiconductors facilitated by carbon nanotube fibers by del Barrio, Melisa, Rana, Moumita, Vilatela, Juan José, Lorenzo, Encarnación, De Lacey, Antonio L, Pita, Marcos

“…NADH is a key biomolecule involved in many biocatalytic processes as cofactor and its quantification can be correlated to specific enzymatic activity. Many…”
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Ascorbate Oxidation by Cu(Amyloid-β) Complexes: Determination of the Intrinsic Rate as a Function of Alterations in the Peptide Sequence Revealing Key Residues for Reactive Oxygen Species Production by Atrián-Blasco, Elena, del Barrio, Melisa, Faller, Peter, Hureau, Christelle

“…Along with aggregation of the amyloid-β (Aβ) peptide and subsequent deposit of amyloid plaques, oxidative stress is an important feature in Alzheimer’s…”
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Electrochemical Investigations of Hydrogenases and Other Enzymes That Produce and Use Solar Fuels by del Barrio, Melisa, Sensi, Matteo, Orain, Christophe, Baffert, Carole, Dementin, Sébastien, Fourmond, Vincent, Léger, Christophe

“…Conspectus Many enzymes that produce or transform small molecules such as O2, H2, and CO2 embed inorganic cofactors based on transition metals. Their active…”
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Ascorbate oxidation by Cu(Amyloid-β) complexes: determination of the intrinsic rate as function of alterations in the peptide sequence reveals key residues for ROS production by Atrián-Blasco, Elena, del Barrio, Melisa, Faller, Peter, Hureau, Christelle

“…Along with aggregation of the amyloid-β (Aβ) peptide and subsequent deposit of amyloid plaques, oxidative stress is an important feature in Alzheimer’s…”
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Photoelectrocatalytic detection of NADH on n-type silicon semiconductors facilitated by carbon nanotube fibers by del Barrio, Melisa, Rana, Moumita, Vilatela, Juan José, Lorenzo, Encarnación, De Lacey, Antonio L., Pita, Marcos

“…NADH is a key biomolecule involved in many biocatalytic processes as cofactor and its quantification can be correlated to specific enzymatic activity. Many…”
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Biosensing strategies using recombinant luminescent proteins and their use for food and environmental analysis by Pradanas-González, Fernando, Cortés, Marta García, Glahn-Martínez, Bettina, Del Barrio, Melisa, Purohit, Pablo, Benito-Peña, Elena, Orellana, Guillermo

“…Progress in synthetic biology and nanotechnology plays at present a major role in the fabrication of sophisticated and miniaturized analytical devices that…”
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Carbon nanodots modified-electrode for peroxide-free cholesterol biosensing and biofuel cell design by del Barrio, Melisa, Martínez-Periñán, Emiliano, Gutiérrez-Sánchez, Cristina, Mateo-Martí, Eva, Pita, Marcos, De Lacey, Antonio L., Pariente, Félix, Lorenzo, Encarnación

“…The determination of cholesterol is greatly important because high concentrations of this biomarker are associated to heart disease. Moreover, cholesterol can…”
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Engineering an [FeFe]-Hydrogenase: Do Accessory Clusters Influence O 2 Resistance and Catalytic Bias? by Caserta, Giorgio, Papini, Cecilia, Adamska-Venkatesh, Agnieszka, Pecqueur, Ludovic, Sommer, Constanze, Reijerse, Edward, Lubitz, Wolfgang, Gauquelin, Charles, Meynial-Salles, Isabelle, Pramanik, Debajyoti, Artero, Vincent, Atta, Mohamed, Del Barrio, Melisa, Faivre, Bruno, Fourmond, Vincent, Léger, Christophe, Fontecave, Marc

“…[FeFe]-hydrogenases, HydAs, are unique biocatalysts for proton reduction to H . However, they suffer from a number of drawbacks for biotechnological…”
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New perspectives in hydrogenase direct electrochemistry by Sensi, Matteo, del Barrio, Melisa, Baffert, Carole, Fourmond, Vincent, Léger, Christophe

“…•Hydrogenases are the biological catalysts of H2 oxidation and production.•Wiring these enzymes to electrodes allows fast electron transfer and precise…”
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A reagentless enzymatic fluorescent biosensor for glucose based on upconverting glasses, as excitation source, and chemically modified glucose oxidase by del Barrio, Melisa, Cases, Rafael, Cebolla, Vicente, Hirsch, Thomas, de Marcos, Susana, Wilhelm, Stefan, Galbán, Javier

“…Upon near-infrared excitation Tm3++Yb3+ doped fluorohafnate glasses present upconversion properties and emit visible light. This property permits to use these…”
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