Listar por autor "Sastre de Vicente, Manuel"
Mostrando ítems 1-20 de 22
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A Systematic Analysis and Review of the Fundamental Acid-Base Properties of Biosorbents
Lodeiro, Pablo; Martínez-Cabanas, María; Herrero, Roberto; Barriada, José Luis; Vilariño, Teresa; Rodríguez-Barro, Pilar; Sastre de Vicente, Manuel (Springer, 2018)[Abstract] A broad variety of materials of biological origin have been successfully used in recent decades for the removal of pollutants from solution. These biosorbents present a range of natural polymers that play a key ... -
Antioxidant Capacity Assessment of Plant Extracts for Green Synthesis of Nanoparticles
Martínez-Cabanas, María; López García, Marta; Rodríguez-Barro, Pilar; Vilariño, Teresa; Lodeiro, Pablo; Herrero, Roberto; Barriada, José Luis; Sastre de Vicente, Manuel (MDPI, 2021-06-25)[Abstract] In this work, water extracts from different bio-based products of plant origin were studied to evaluate their antioxidant capacity and their potential to form metal nanoparticles from aqueous solutions. Two ... -
Biosorption of Cadmium by Biomass of Brown Marine Macroalgae
Lodeiro, Pablo; Cordero Pérez, Bruno; Barriada, José Luis; Herrero, Roberto; Sastre de Vicente, Manuel (2005-11-07)[Abstrac] Five different brown seaweeds, Bifurcaria bifurcata, Saccorhiza polyschides, Ascophyllum nodosum, Laminaria ochroleuca and Pelvetia caniculata were studied for their ability to remove cadmium from aqueous solution. ... -
Biosorption of Cadmium by the Protonated Macroalga Sargasssum Muticum: Binding Analysis With a Non-Ideal, Competitive and Thermodynamically Consistent Adsorption (NICCA) Model
Lodeiro, Pablo; Rey-Castro, Carlos; Barriada, José Luis; Sastre de Vicente, Manuel; Herrero, Roberto (Elsevier, 2005)[Abstract] Protonated biomass of the seaweed Sargassum muticum was investigated for its ability to remove cadmium(II) from aqueous solutions. In this work, a non-ideal, semi-empirical, thermodynamically consistent (NICCA) ... -
Biosorption of phenolic compounds by the brown alga Sargassum muticum
Rubín Carrero, Eugenia; Rodríguez-Barro, Pilar; Herrero, Roberto; Sastre de Vicente, Manuel (2005-11-09)[Abstract] Phenol, 2-chlorophenol (2-CP), and 4-chlorophenol (4-CP) biosorption on Sargassum muticum, an invasive macroalga in Europe, has been investigated. The efficiency of this biosorbent was studied measuring the ... -
Computational Aided Acetaminophen – Phthalic Acid Molecularly Imprinted Polymer Design for Analytical Determination of Known and New Developed Recreational Drugs
Paredes Ramos, María; Sabín, Alejandra; De La Peña García, Jorge; Pérez-Sánchez, Horacio; López Vilariño, José Manuel; Sastre de Vicente, Manuel (Elsevier, 2020-04-21)[Abstract] In recent times, abuse drug consumption rates have been increasing. In addition, authorities have detected a trend in the development of new substances expressly created to avoid legislation. These novel ... -
Determination of biosorption mechanism in biomass of agave, using spectroscopic and microscopic techniques for the purification of contaminated water
Hernández-Botello, M. T.; Barriada, José Luis; Sastre de Vicente, Manuel; Mendoza-Pérez, Jorge Alberto; Chanona-Pérez, Jorge; López-Cortez, M. S.; Téllez-Medina, D. I. (Universidad Autónoma Metropolitana, 2019-06-14)[Abstract] Lead (Pb2+) and copper (Cu2+) are polluting metals due to their toxicity; however, the extraction of these metals is essential for economic development, so it is important to look for efficient and low-cost ... -
Effect of ionic strength on the formal potential of the glass electrode in various saline media
Brandariz, Isabel; Vilariño, Teresa; Alonso Suárez, Pablo A.; Herrero, Roberto; Fiol López, Sarah; Sastre de Vicente, Manuel (Elsevier, 1998-08)We examined the variation with ionic strength (I, adjusted with KCl, KNO3, KBr, NaCl or NaClO4) of the formal potential (Econst) for glass electrodes exhibiting a Nernstian response (i.e. Ecell=Econst−s log [H+]). For this ... -
Equilibrium constants of triethanolamine in major seawater salts
Brandariz, Isabel; Castro, P.; Montes, María; Penedo Blanco, Francisco José; Sastre de Vicente, Manuel (Elsevier, 2006-12)Acid–base equilibrium constants of triethanolamine (TEA) have been determined by potentiometric titrations with a glass electrode, at 25 °C. Ionic strength was kept constant with only one electrolyte (using one of these ... -
Gibbs-Donnan and Specific Ion Interaction Theory Descriptions of the Effect of Ionic Strength on Proton Dissociation of Alginic Acid
Rey-Castro, Carlos; Herrero, Roberto; Sastre de Vicente, Manuel (Elsevier, 2004)[Abstract] The apparent proton dissociation constants of a commercial alginic acid have been obtained in KNO3 and NaCl at concentrations ranging between 0.01 and 2 mol·L-1. An analysis of the dependence on the ionic strength ... -
Integrated Valorization of Sargassum Muticum in Biorefineries
Flórez-Fernández, Noelia; Illera, Marta; Sánchez Núñez, Marta; Lodeiro, Pablo; Torres Pérez, María Dolores; López-Mosquera, María Elvira; Soto, Manuel; Sastre de Vicente, Manuel; Domínguez, Herminia (Elsevier, 2020-05-24)[Abstract] Marine macroalgae represent an excellent raw material for the production of bioactives, adsorbents, plant biostimulants, soil fertilizers and biogas. The success in the exploitation of seaweeds depends on their ... -
Interactions of Cadmium(II) and protons with dead biomass of marine algae Fucus sp
Herrero, Roberto; Cordero Pérez, Bruno; Lodeiro, Pablo; Rey-Castro, Carlos; Sastre de Vicente, Manuel (2005-11-09)[Abstract] Samples of dead biomass from the marine brown algae Fucus ceranoides, F. vesiculosus and F.serratus were studied for their ability to remove cadmium from aqueous solutions. The metal sorption process is rapid, ... -
Introducción
Sastre de Vicente, Manuel (Universidade da Coruña, 1995) -
Kinetic and Equilibrium Study of the Reaction of Nitroprusside and Hydroxide Ions: Influence of Ionic Strength Using Pitzer Model
Rubín Carrero, Eugenia; Rodríguez-Barro, Pilar; Brandariz, Isabel; Sastre de Vicente, Manuel (Wiley Interscience, 2004)[Abstract] A kinetic and equilibrium study of the addition reaction of hydroxide ions to nitroprusside has been carried out in this paper. Rate and equilibrium constants at different salt concentrations (up to 4 mol/kg) ... -
Physicochemical Studies of Cadmium(II) Biosorption by the Invasive Alga in Europe, Sargassum Muticum
Lodeiro, Pablo; Cordero Pérez, Bruno; Grille Cancela, Zulaika; Herrero, Roberto; Sastre de Vicente, Manuel (Wiley Interscience, 2004)[Abstract] In recent years, there has been a significant increase in the studies concerning brown seaweed as biosorbents for metal removal owing to their high binding ability and low cost. This work reports the results of ... -
Removal of Inorganic Mercury From Aqueous Solutions by Biomass of the Marine Macroalga Cystoseira Baccata
Herrero, Roberto; Lodeiro, Pablo; Rey-Castro, Carlos; Vilariño, Teresa; Sastre de Vicente, Manuel (Elsevier, 2005)[Abstract] The ability of Cystoseira baccata algal biomass to remove Hg(II) from aqueous solutions is investigated. The mercury biosorption process is studied through batch experiments at 25ºC with regard to the influence ... -
Removal of methylene blue from aqueous solutions using as biosorbent sargassum muticum: an invasive macroalga in Europe
Rubín Carrero, Eugenia; Rodríguez-Barro, Pilar; Herrero, Roberto; Cremades, Javier; Bárbara, Ignacio; Sastre de Vicente, Manuel (2005-11-09)[Abstract] Methylene blue adsorption on Sargassum muticum, an invasive macroalga in Europe, has been investigated using visible absorption spectroscopy. Different pre-treatments, protonation and chemical cross-linking ... -
Sustainable Low-Cost Phosphorus Recovery Using Nanostructured Materials with Reusability Potential
Gómez-Carnota, David; Barriada, José Luis; Rodríguez-Barro, Pilar; Sastre de Vicente, Manuel; Herrero, Roberto (MDPI, 2023-03-24)[Abstract] A new low-cost material with a polymeric base formed from sodium silicate was developed. The material presents a nanostructured, highly rich iron surface with a large phosphorus retention capacity and potential ... -
The marine macroalga Cystoseira baccata as biosorbent for cadmium(II) and lead(II) removal: kinetic and equilibrium studies
Lodeiro, Pablo; Barriada, José Luis; Herrero, Roberto; Sastre de Vicente, Manuel (2005)[Abstract] This work reports kinetic and equilibrium studies of cadmium(II) and lead(II) adsorption by the brown seaweed Cystoseira baccata. Kinetic experiments demonstrated rapid metal uptake. Kinetic data were satisfactorily ... -
The Proton Binding Properties of Biosorbents
Lodeiro, Pablo; Martínez-Cabanas, María; Herrero, Roberto; Barriada, José Luis; Vilariño, Teresa; Rodríguez-Barro, Pilar; Sastre de Vicente, Manuel (Springer, 2019-04-15)[Abstract] A broad variety of materials of biological origin have been successfully used in recent decades for the removal of pollutants from waters. These biosorbents include natural polymers that play a key role for ...