Now showing items 163-182 of 294

    • Insights into olive fruit surface functions: a comparison of cuticular composition, water permeability, and surface topography in nine cultivars during maturation 

      Diarte Cabezuelo, Clara; Lai, Po-Han; Huang, Hua; Romero Aroca, Agustí Jordi; Casero Mazo, Tomás; Gatius Cortiella, Ferran; Graell i Sarle, Jordi; Medina Piles, Vicente; East, Andrew; Riederer, Markus; Lara Ayala, Isabel (Frontiers Media, 2019-10-25)
      Olive (Olea europaea L.) growing has outstanding economic relevance in Spain, the main olive oil producer and exporter in the world. Fruit skin properties are very relevant for fruit and oil quality, water loss, and ...
    • Integrated valorization of Sargassum muticum in biorefineries 

      Flórez-Fernández, Noelia; Illera, Marta; Sánchez Núñez, Marta; Lodeiro, Pablo; Torres Pérez, María Dolores; López Mosquera, Ma Elvira; Soto Castiñeira, Manuel; Sastre de Vicente, Manuel E.; Domínguez González, Herminia (Elsevier, 2021-01-15)
      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 characteristics, ...
    • Interaction of acrylic-maleic copolymers with H+, Na+, Mg2+ and Ca2+: Thermodynamic parameters and their dependence on medium 

      Bretti, Clemente; Crea, Francesco; Rey Castro, Carlos; Sammartano, Silvio (Elsevier, 2005)
      Thermodynamic parameters for the interaction of two acrylic-maleic copolymers (MW = 3 and 70 kDa) with H+, Na+, Mg2+ and Ca2+ were obtained from potentiometric and calorimetric measurements. Apparent protonation constants were ...
    • 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 E. (Elsevier, 2006)
      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, with 90% ...
    • Interpretation of diffusion gradients in thin films (DGT) measurements: a systematic approach 

      Galceran i Nogués, Josep; Puy Llorens, Jaume (CSIRO Publishing, 2015)
      Gaining insight into the physicochemical processes integrated in a DGT (diffusion gradients in thin films) measurement and combining them in a model can assist in retrieving fundamental information, both qualitative and ...
    • Interpreting ion fluxes to channel arrays in monolayers 

      Monné Esquerda, Josep; Díez, Yolanda; Puy Llorens, Jaume; Galceran i Nogués, Josep; Nelson, Andrew (American Chemical Society, 2007)
      The exponentially decaying permeability model interprets the chronoamperometric currents arising from Tl+ reduction at a Hg electrode covered with a phospholipid monolayer (DOPC) containing gramicidin monomer by combining ...
    • Introducing Lipophilicity to (Polyhydroxyalkyl) thiazolidine Carboxylic Acids Via Acylation 

      Novo Fernández, Olalla; Oliveros, Diego; Balcells Fluvià, Mercè; Canela i Garayoa, Ramon; Méndez Arteaga, Jonh J.; Eras i Joli, Jordi (American Chemical Society, 2022)
      he therapeutic efficacy of bioactive compounds isrelated to their bioavailability. In turn, the bioavailability dependson the equilibrium between the hydrophilicity and the lipophilicity.2(R,S)-(Polyhydroxyalkyl)thiazoli ...
    • Ion binding to polyelectrolytes: Monte Carlo simulations versus classical mean field theories 

      Madurga, Sergio; Garcés, Josep Lluís; Companys Ferran, Encarnació; Rey Castro, Carlos; Salvador, José; Galceran i Nogués, Josep; Vilaseca i Font, Eudald; Puy Llorens, Jaume; Mas i Pujadas, Francesc (Springer Verlag, 2009)
      The influence of ion size and surface charge model in titrations of ionizable polyelectrolytes is studied by means of the Semi Grand Canonical Monte Carlo simulation method in the context of the primitive model. Three ...
    • Ionization and Conformational Equilibria of Citric Acid: Delocalized Proton Binding in Solution 

      Madurga, Sergio; Nedyalkova, Miroslava; Mas, Francesc; Garcés, Josep Lluís (American Chemical Society, 2017-07-13)
      The microspeciation of citric acid is studied by analyzing NMR titration data. When the site binding (SB) model, which assumes fully localized proton binding to the carboxylic groups, is used to obtain microscopic energy ...
    • Iron Speciation in Fram Strait and Over the Northeast Greenland Shelf: An Inter-Comparison Study of Voltammetric Methods 

      Ardiningsih, Indah; Zhu, Kechen; Lodeiro, Pablo; Gledhill, Martha; Reichart, Gert-Jan; Achterberg, Eric P.; Middag, Rob; Gerringa, Loes J. A. (Frontiers Media, 2021-01-21)
      Competitive ligand exchange - adsorptive cathodic stripping voltammetry (CLE-AdCSV) is a widely used technique to determine dissolved iron (Fe) speciation in seawater, and involves competition for Fe of a known added ligand ...
    • Is it possible to substitute hexane with green solvents for extraction of carotenoids? A theoretical versus experimental solubility study 

      Yara Varón, Edinson; Fabiano-Tixier, A. S.; Balcells Fluvià, Mercè; Canela i Garayoa, Ramon; Bily, Antoine; Chemat, F. (Royal Society of Chemistry, 2016)
      The present study was designed to evaluate five green solvents, i.e. 2-methyltetrahydrofuran (2-MeTHF), dimethyl carbonate (DMC), cyclopentyl methyl ether (CPME), isopropyl alcohol (IPA) and ethyl acetate, for the substitution ...
    • Labile trace metal concentration measurements in marine environments: From coastal to open ocean areas 

      Gao, Yue; Zhou, Chunyang; Gaulier, Camille; Bratkic, Arne; Galceran i Nogués, Josep; Puy Llorens, Jaume; Zhang, Hao; Leermakers, Martine; Baeyens, Willy (Elsevier, 2019-05-06)
      In seawater, trace metals occur in many forms: free ion, labile and non-labile complex, colloid, associated with particles, but only free ions and very labile metal complexes can cross the phytoplankton membrane and be ...
    • Lability and mobility effects on mixtures of ligands under steady-state conditions 

      Galceran i Nogués, Josep; Puy Llorens, Jaume; Salvador, José; Cecilia Averós, Joan; Mas i Pujadas, Francesc; Garcés, Josep Lluís (Royal Society of Chemistry, 2003)
      Analytical solutions for the steady-state flux arriving at an active surface from a mixture (in which one active species reacts with non-active ligands in the medium) can be helpful in a variety of problems: voltammetric ...
    • Lability of complexes in steady-state finite planar diffusion 

      Salvador, José; Puy Llorens, Jaume; Cecilia Averós, Joan; Galceran i Nogués, Josep (Elsevier, 2006)
      The analytical solution of the reaction-diffusion problem of a species forming a complex (with any association and dissociation rate constants) in solution and disappearing at an active planar surface is presented for a ...
    • Las propiedades antioxidantes de la cereza 'Sweetheart' protegen al fruto del deterioro post-cosecha 

      Comabella, Eva; Lara Ayala, Isabel (Interempresas Media, 2013)
      Los mecanismos enzimáticos de modificación de las paredes celulares, que resultan en cambios en la firmeza, la textura y la calidad general del fruto durante su vida postcosecha, han sido históricamente el objetivo preferente ...
    • LBGK method coupled to time splitting technique for solving reaction-diffusion processes in complex systems 

      Alemani, Davide; Chopard, Bastien; Galceran i Nogués, Josep; Buffle, Jacques (The Royal society of Chemistry, 2005)
      A new approach to numerically solve a reaction-diffusion system is given, specifically developed for complex systems including many reacting/diffusing species with broad ranges of rate constants and diffusion coefficients, ...
    • Life cycle assessment of Italian and Spanish bovine leather production systems 

      Notarnicola, Bruno; Puig, Rita; Raggi, Andrea; Fullana i Palmer, Pere; Tassielli, Giuseppe; De Camillis, Camillo; Mongelli, Ignazio; Rius Carrasco, Antoni (Asociación de Químicos e Ingenieros del Instituto Químico de Sarriá, 2011)
      El objetivo de la investigación aquí descrita fue era estudiar el perfil ambiental de dos sistemas de fabricación de cuero vacuno (el italiano y el español), para identificar sus puntos débiles y para averiguar si las ...
    • Limits of the Linear Accumulation Regime of DGT Sensors 

      Mongin, Sandrine; Uribe Kaffure, Ramiro; Rey Castro, Carlos; Cecilia Averós, Joan; Galceran i Nogués, Josep; Puy Llorens, Jaume (American Chemical Society, 2013)
      A key question for the practical application of DGT (Diffusive Gradients in Thin films) as dynamic sensors in the environmental monitoring of trace metals is the influence of pH and dissolved ligands over the linear ...
    • Limonene as an agro-chemical building block for the synthesis and extraction of bioactive compounds 

      Aissou, Mohamed; Chemat-Djenni, Zoubida; Yara Varón, Edinson; Fabiano-Tixier, A. S.; Chemat, F. (Académie des sciences; Elsevier, 2016-06-28)
      The objective of this study was to transform limonene as an agro-chemical platform for the production of a wide range of added-value compounds for pharmaceutical, cosmetic and food ingredients. This molecule was also ...
    • Lipase activity and enantioselectivity of whole cells from a wild-type Aspergillius flavus strain 

      Solarte Orozco, Carmen Eugenia; Yara Varón, Edinson; Eras i Joli, Jordi; Torres i Grifo, Mercè; Balcells Fluvià, Mercè; Canela i Garayoa, Ramon (Elsevier, 2014)
      This study reports the high enantiomeric preference of whole cell lipase from Aspergillus flavus wild-type that allows the preparation of a chiral secondary alcohol. Whole cells prepared from a wild-type Aspergillus flavus ...