Browsing by Author "Casanovas Salas, Jordi"Més informació

Now showing items 1-20 of 20

    • A rational design for the selective detection of dopamine using conducting polymers 

      Fabregat Jové, Georgina; Casanovas Salas, Jordi; Redondo Negrete, Edurne; Armelín Diggroc, Elaine Aparecida; Alemán Llansó, Carlos (2014-02-25)
      Article
      Open Access
      Poly(N-methylpyrrole) (PNMPy), poly(N-cyanoethylpyrrole) (PNCPy) and poly(3,4-ethylenedioxythiophene) (PEDOT) films have been prepared using both single and two polymerization steps for the selective determination of low ...

    • Amyloid fibrils from organic solutions of an amphiphilic dipeptide 

      Casanovas Salas, Jordi; Mayans Tayadella, Enric; Díaz Andrade, Angélica María; Martínez Gil, Ana; Jimenez Sanz, Ana Isabel; Cativiela, Carlos; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2019-01-01)
      Article
      Open Access
      Non-hydrated organic solutions of a diphenylalanine amphiphile blocked at the C-terminus with a fluorenylmethyl ester and stabilized at the N-terminus with a trifluoroacetate have been used to prepare amyloid fibrils. The ...

    • An experimental-computer modeling study of inorganic phosphates surface adsorption on hydroxyapatite particles 

      Rivas Cañas, Manuel; Casanovas Salas, Jordi; Valle Mendoza, Luis Javier del; Bertran Cànovas, Òscar; Revilla López, Guillermo; Turón Dols, Pau; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (Royal Society of Chemistry, 2015-01-01)
      Article
      Open Access
      The adsorption of orthophosphate, pyrophosphate, triphosphate and a trisphosphonate onto hydroxyapatite has been examined using experiments and quantum mechanical calculations. Adsorption studies with FTIR and X-ray ...

    • Analysis of nitrogen fixation by a catalyst capable of transforming N2, CO2 and CH4 into amino acids under mild reactions conditions 

      Revilla López, Guillermo; Sans Milà, Jordi; Casanovas Salas, Jordi; Bertran Cànovas, Òscar; Puiggalí Bellalta, Jordi; Turon, Pau; Alemán Llansó, Carlos (2020-04-25)
      Article
      Open Access
      The processes related to the fixation of nitrogen ina catalyst able to produce glycine and alanine from a N2, CO2and CH4gas mixture at mild reaction conditions have been studied by combining experimental and theoretical ...

    • Conductive, self-healable and reusable poly(3,4-ethylenedioxythiophene)-based hydrogels for highly sensitive pressure arrays 

      Babeli Aguilera, Ismael; Ruano Torres, Guillem; Casanovas Salas, Jordi; Ginebra Molins, Maria Pau; García Torres, José Manuel; Alemán Llansó, Carlos (Royal Society of Chemistry (RSC), 2020-07-07)
      Article
      Open Access
      Covenantee:   Institut de Bioenginyeria de Catalunya
      Although challenging, the preparation of pure conducting polymer (CP) hydrogels as conductive flexible networks for developing high-performance functional platforms is an outstanding alternative to conventional approaches, ...

    • Dissolving hydroxyolite: a DNA molecule into its hydroxyapatite mold 

      Bertran Cànovas, Òscar; Revilla López, Guillermo; Casanovas Salas, Jordi; Valle Mendoza, Luis Javier del; Turón Dols, Pau; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2016-04-01)
      Article
      Open Access
      In spite of the clinical importance of hydroxyapatite (HAp), the mechanism that controls its dissolution in acidic environments remains unclear. Knowledge of such a process is highly desirable to provide better understanding ...

    • Distribution of dopant ions around poly(3,4-ethylenedioxythiophene) chains: a theoretical study 

      Casanovas Salas, Jordi; Zanuy Gomara, David; Alemán Llansó, Carlos (2017-04-21)
      Article
      Open Access
      The effect of counterions and multiple polymer chains on the properties and structure of poly(3,4-ethylenedioxythiophene) (PEDOT) doped with ClO4- has been examined using density functional theory (DFT) calculations with ...

    • Diversity and hierarchy in supramolecular assemblies of triphenylalanine: from laminated helical ribbons to toroids 

      Mayans Tayadella, Enric; Casanovas Salas, Jordi; Gil, Ana M.; Jimenez Sanz, Ana Isabel; Cativiela, Carlos; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2017-04-04)
      Article
      Open Access
      Microstructures from small phenylalanine-based peptides have attracted great attention lately because these compounds are considered to be a new class of tunable materials. In spite of the extensive studies on uncapped ...

    • Effects of hydroxyapatite (0001) Ca2+/Mg2+ substitution on adsorbed D-ribose ring puckering 

      Revilla López, Guillermo; Bertran Cànovas, Òscar; Casanovas Salas, Jordi; Turón Dols, Pau; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2016-07-13)
      Article
      Open Access
      Advanced Molecular Dynamics (MD) simulation protocols have been used to assess the ring puckering of cyclic D-ribose when the sugar is adsorbed on the most stable (0001) facet of calcium hydroxyapatite (HAp). In addition, ...

    • Heterochirality restricts the self-assembly of phenylalanine dipeptides capped with highly aromatic groups 

      Gil, Ana M.; Casanovas Salas, Jordi; Jimenez Sanz, Ana Isabel; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (American Chemical Society, 2020-06-19)
      Article
      Open Access
      The influence of stereochemistry on the self-assembly of phenylalanine (Phe) dipeptides bearing aromatic fluorenyl groups at both the N- and C-termini (Fmoc, OFm) has been investigated. For this purpose, Fmoc–d-Phe–l-Phe–OFm ...

    • Hydrogels for flexible and compressible free standing cellulose supercapacitors 

      Saborío González, Maricruz; Svelic, Petra; Casanovas Salas, Jordi; Ruano Torres, Guillem; Pérez Madrigal, María del Mar; Franco García, María Lourdes; Torras Costa, Juan; Estrany Coda, Francesc; Alemán Llansó, Carlos (Elsevier, 2019-09-01)
      Article
      Open Access
      Cellulose-based supercapacitors display important advantages in comparison with devices fabricated with other materials, regarding environmental friendliness, flexibility, cost and versatility. Recent progress in the field ...

    • Mineralization of DNA into nanoparticles of hydroxyapatite 

      Bertran Cànovas, Òscar; Valle Mendoza, Luis Javier del; Revilla López, Guillermo; Chaves Barboza, Gustavo Adolfo; Cardús Andreu, Lluís; Casas Becerra, María Teresa; Casanovas Salas, Jordi; Turón Dols, Pau; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2014-01-07)
      Article
      Open Access
      Encapsulation of DNA into hydroxyapatite (HAp) has been investigated using a rational approach that involves computer simulation and experimental techniques. The temporal evolution of the radial distribution functions ...

    • Nuevas aplicaciones de los polímeros conductores 

      Estrany Coda, Francesc; Alemán Llansó, Carlos; Armelín Diggroc, Elaine Aparecida; Casanovas Salas, Jordi (2011-02)
      Article
      Open Access
      This article describes the development of two of the newest applications of conductive polymers, both based on organic molecular structure combined with its unusual electrical conductivity and high charge storage capacity. ...

    • Plasma-functionalized isotactic polypropylene assembled with conducting polymers for bacterial quantification by NADH sensing 

      Molina García, Brenda Guadalupe; Valle Mendoza, Luis Javier del; Casanovas Salas, Jordi; Lanzalaco, Sonia; Pérez Madrigal, Maria del Mar; Turón, Pau; Armelín Diggroc, Elaine Aparecida; Alemán Llansó, Carlos (2021-07-08)
      Article
      Open Access
      Rapid detection of bacterial presence on implantable medical devices is essential to prevent biofilm formation, which consists of densely packed bacteria colonies able to withstand antibiotic-mediated killing. In this work, ...

    • Porous poly(3,4-ethylenedioxythiophene)-based electrodes for detecting stress biomarkers in artificial urine and sweat 

      Borràs Cristòfol, Núria; Sánchez Jiménez, Margarita; Casanovas Salas, Jordi; Alemán Llansó, Carlos; Pérez Madrigal, Maria del Mar (2022-10-03)
      Article
      Restricted access - publisher's policy
      When danger is perceived, the human body responds to overcome obstacles and survive a stressful situation; however, sustained levels of stress are associated with health disorders and diminished life quality. Hence, stress ...

    • Prototyping flexible supercapacitors produced with biohydrogel 

      Saborío González, Maricruz; Zukic, Sejla; Lanzalaco, Sonia; Casanovas Salas, Jordi; Puiggalí Bellalta, Jordi; Estrany Coda, Francesc; Alemán Llansó, Carlos (Elsevier, 2018-04-30)
      Article
      Open Access
      Flexible symmetric supercapacitor prototypes composed of electrodes that were prepared by polymerizing poly(hydroxymethyl-3,4-ethylenedioxythiophene) inside a poly-¿-glutamic acid (¿PGA) biohydrogel matrix, previously ...

    • Self-assembled fibrillar networks of a multifaceted chiral squaramide: supramolecular multistimuli-responsive alcogels 

      Schiller, Jana; Alegre-Requena, Juan V.; Herrera, Raquel P.; Casanovas Salas, Jordi; Alemán Llansó, Carlos; Díaz Díaz, David (2016)
      Article
      Open Access
      Chiral N, N'-disubstituted squaramide 1 has been found to undergo self-assembly in a variety of alcoholic solvents at low concentrations leading to the formation of novel nanostructured supramolecular alcogels. The gels ...

    • Self-assembly of tetraphenylalanine peptides 

      Mayans Tayadella, Enric; Ballano Ballano, María Gema; Casanovas Salas, Jordi; Díaz Andrade, Angélica María; Pérez Madrigal, Maria del Mar; Estrany Coda, Francesc; Puiggalí Bellalta, Jordi; Cativiela Marín, Carlos A.; Alemán Llansó, Carlos (2015-11-01)
      Article
      Restricted access - publisher's policy
      Three different tetraphenylalanine (FFFF) based peptides that differ at the N- and C-termini have been synthesized by using standard procedures to study their ability to form different nanoassemblies under a variety of ...

    • Self-assembly pathways in a triphenylalanine peptide capped with aromatic groups 

      Pérez Madrigal, Maria del Mar; Gil, Ana M.; Casanovas Salas, Jordi; Jimenez Sanz, Ana Isabel; Macor, Lorena Paola; Alemán Llansó, Carlos (Elsevier, 2022-08)
      Article
      Restricted access - publisher's policy
      Peptide derivatives and, most specifically, their self-assembled supramolecular structures are being considered in the design of novel biofunctional materials. Although the self-assembly of triphenylalanine homopeptides ...

    • Synergistic approach to elucidate the incorporation of magnesium ions into hydroxyapatite 

      Bertran Cànovas, Òscar; Valle Mendoza, Luis Javier del; Revilla López, Guillermo; Rivas Cañas, Manuel; Chaves Barboza, Gustavo Adolfo; Casas Becerra, María Teresa; Casanovas Salas, Jordi; Turón Dols, Pau; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2015-02-02)
      Article
      Restricted access - publisher's policy
      Although the content of Mg2+ in hard tissues is very low (typically 1.5wt%), its incorporation into synthetic hydroxyapatite (HAp) particles and its role in the mineral's properties are still subject of intensive debate. ...