Ara es mostren els items 32-51 de 58

    • Main-chain scission of individual macromolecules induced by solvent swelling 

      Messmer, Daniel; Bertran Cànovas, Òscar; Kissner, Reinhard; Alemán Llansó, Carlos; Schlüter, A. Dieter (Royal Society of Chemistry (RSC), 2019-05-08)
      Article
      Accés obert
      We present a comprehensive investigation of main-chain scission processes affecting peripherally charged and neutral members of a class of dendronized polymers (DPs) studied in our laboratory. In these thick, sterically ...
    • Manufactured flexible electrodes for dopamine detection: integration of conducting polymer in 3D-printed polylactic acid 

      Fontana Escartín, Adrián; Puiggalí Jou, Anna; Lanzalaco, Sonia; Bertran Cànovas, Òscar; Alemán Llansó, Carlos (2021-06-23)
      Article
      Accés obert
      Flexible electrochemical sensors based on electroactive materials have emerged as powerful analytical tools for biomedical applications requiring bioanalytes detection. Within this context, 3D printing is a remarkable ...
    • 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
      Accés obert
      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 ...
    • Modeling biominerals formed by apatites and DNA 

      Revilla López, Guillermo; Casanovas, Jordi; Bertran Cànovas, Òscar; Turón Dols, Pau; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2013-04-08)
      Article
      Accés obert
      Different aspects of biominerals formed by apatite and DNA have been investigated using computer modeling tools. Firstly, the structure and stability of biominerals in which DNA molecules are embedded into hydroxyapatite ...
    • Modeling nanosized single molecule objects: dendronized polymers adsorbed onto mica 

      Bertran Cànovas, Òscar; Zhang, Baozhong; Schlüter, A. Dieter; Kroeger, Matin; Alemán Llansó, Carlos (2015-02-19)
      Article
      Accés obert
      We attempt to provide direct evidence for the suggested behavior of dendronized polymers as molecular objects (i.e., single shape persistent macromolecules). For this purpose, the microscopic structure of dendronized ...
    • Modeling the Structural and Electronic Properties of an Optically Active Regioregular Polythiophene 

      Bertran Cànovas, Òscar; Torras Costa, Juan; Alemán Llansó, Carlos (2010-06-03)
      Article
      Accés restringit per política de l'editorial
      A comprehensive theoretical study about the structural and electronic molecular properties of the optically active regioregular poly[(R)-3-(4-(4-ethyl-2-oxazolin-2-yl)phenyl)thiophene] and its model oligomers has been ...
    • Molecular dynamics simulations on self-healing behavior of ionene polymer-based nanostructured hydrogels 

      Bertran Cànovas, Òscar; Saldías, César; Díaz Díaz, David; Alemán Llansó, Carlos (Elsevier, 2020-12-21)
      Article
      Accés obert
      The microscopic mechanism accounting for the self-healing attribute of aromatic ionene-forming hydrogels derived from 1,4-diazabicyclo[2.2.2]octane (DABCO) and N,N’-(x-phenylene)dibenzamide (x= ortho- / meta- / para-) ...
    • On the modeling of aggregates of an optically active regioregular polythiophene 

      Torras Costa, Juan; Sanchez Navas, Cristina; Bertran Cànovas, Òscar; Alemán Llansó, Carlos (2012-02-14)
      Article
      Accés obert
      The conformational properties of the optically active regioregular poly[(R)-3-(4-(4-ethyl-2-oxazolin-2-yl) phenyl) thiophene] (PEOPT) were explored by molecular dynamics on a single chain using several solvents of increasing ...
    • Oxygen plasma treated thermoplastics as integrated electroresponsive sensors 

      Fontana Escartín, Adrián; Lanzalaco, Sonia; Zhilev, Georgi; Armelín Diggroc, Elaine Aparecida; Bertran Cànovas, Òscar; Alemán Llansó, Carlos (Elsevier, 2024-03-01)
      Article
      Accés restringit per política de l'editorial
      Polypropylene (PP), thermoplastic polyurethane (TPU), polyethylene terephthalate glycol (PETG) and polylactic acid (PLA) 3D printed specimens, which are intrinsically non-electroresponsive materials, have been converted ...
    • Parameterization of the torsional potential for calix[4]arene-substituted poly(thiophene)s 

      Preat, Julien; Rodríguez Ropero, Francisco; Torras Costa, Juan; Bertran Cànovas, Òscar; Zanuy Gomara, David; Alemán Llansó, Carlos (2010-06)
      Article
      Accés restringit per política de l'editorial
      Three different strategies have been followed to develop the torsional force-field parameters of the interring dihedral angles for calix[4]arene-substituted poly(thiophene)s, a family of highly sensitive ion receptors. ...
    • Parcial 2018 

      Álvarez Lacalle, Enrique; Bertran Cànovas, Òscar; Gomis Bresco, Jordi (Universitat Politècnica de Catalunya, 2018-11-05)
      Examen
      Accés restringit a la comunitat UPC
    • Poly(2-thiophene-3-yl-malonic acid), a Polythiophene with Two Carboxylic Acids Per Repeating Unit 

      Bertran Cànovas, Òscar; Armelín Diggroc, Elaine Aparecida; Estrany Coda, Francesc; Gomes, Alex; Torras Costa, Juan; Alemán Llansó, Carlos (2010-04-22)
      Article
      Accés restringit per política de l'editorial
      A new substituted polythiophene derivative bearing malonic acid, poly(2-thiophen-3-yl-malonic acid), has been prepared and characterized using a strategy that combines both experimental and theoretical methodologies. The ...
    • Primeras pruebas de impresión fotográfica sobre piel curtida 

      Damga, Selmin; Bertran Cànovas, Òscar (2006)
      Text en actes de congrés
      Accés obert
      Se presentará la teoría sobre la impresión fotográfica con materiales fotosensibles. Estos materiales cuando son expuestos a la luz cambian de color y esto puede aprovecharse para imprimir una imagen sobre una superficie ...
    • Properties of oligothiophene dendrimers as a function of molecular architecture and generation number 

      Córdova Mateo, Esther; Rodríguez Ropero, Francisco; Bertran Cànovas, Òscar; Alemán Llansó, Carlos (2012-04-10)
      Article
      Accés restringit per política de l'editorial
      Density functional and time-dependent density functional calculations using the B3LYP method combined with the 6-31G(d) and 6-311++G(d,p) basis sets are performed on symmetric and unsymmetric all-thiophene dendrimers ...
    • Solvatochromism of dye-labeled dendronized polymers of generation numbers 1–4: comparison to dendrimers 

      Gstrein, Chiara; Zhang, Baozhong; Abdel-Rahman, Mona Ahmed; Bertran Cànovas, Òscar; Alemán Llansó, Carlos; Wegner, Gerhard; Schlüter, A. Dieter (2016-04-06)
      Article
      Accés obert
      Two series of dendronized polymers (DPs) of generations g=1-4 with different levels of dendritic substitution (low and high) and a solvatochromic probe at g=1 level are used to study their swelling behavior in a collection ...
    • Structural and electronic properties of poly(thiaheterohelicene)s 

      Torras Costa, Juan; Bertran Cànovas, Òscar; Alemán Llansó, Carlos (2009-10-26)
      Article
      Accés restringit per política de l'editorial
      Quantum chemical methods have been applied on model oligomers of poly(thiaheterohelicene)s to investigate the structural and electronic properties of these systems. Specifically, the properties of the helical structures found ...
    • Surviving mass extinctions through biomineralized DNA 

      Turón Dols, Pau; Puiggalí Bellalta, Jordi; Bertran Cànovas, Òscar; Alemán Llansó, Carlos (2015-12-21)
      Article
      Accés obert
      Even in the worst of conditions, such as those which occurred during mass extinction events, life on Earth never totally stopped. Aggressive chemical and physical attacks able to sterilize or poison living organisms occurred ...
    • 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
      Accés restringit per política de l'editorial
      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. ...
    • Temperature effect on the SARS-CoV-2: A Molecular dynamics study of the spike homotrimeric glycoprotein 

      Martí Ballesté, Dídac; Torras Costa, Juan; Bertran Cànovas, Òscar; Turon, Pau; Alemán Llansó, Carlos (Elsevier, 2021-04)
      Article
      Accés obert
      Rapid spread of SARS-CoV-2 virus have boosted the need of knowledge about inactivation mechanisms to minimize the impact of COVID-19 pandemic. Recent studies have shown that SARS-CoV-2 virus can be disabled by heating, the ...
    • TERMODINÀMICA (Examen final, 1r quadrimestre) 

      Bertran Cànovas, Òscar (Universitat Politècnica de Catalunya, 2023-01-19)
      Examen
      Accés restringit a la comunitat UPC