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Ara es mostren els items 21-40 de 323

    • Aluminum protection by using green zirconium oxide layer and organic coating: An efficient and adherent dual system 

      Bonamigo Moreira, Vitor; Meneguzzi, Alvaro; Jiménez Piqué, Emilio; Alemán Llansó, Carlos; Armelín Diggroc, Elaine Aparecida (2021-09-01)
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      Accés obert
      In this work, the use of ZrO2 nanocoating in aluminum substrates, generated by controlled electrochemical chronoamperometry in hexafluorozirconic acid solutions (H2ZrF6·5H2O), resulted in a lower porous films than that ...

    • Amphiphilic polypyrrole-poly(Schiff base) copolymers with poly(ethylene glycol) side chains: synthesis, properties and applications 

      Molina, Brenda G.; Cianga, Luminita; Bendrea, Anca Dana; Cianga, Ioan; Valle Mendoza, Luis Javier del; Estrany Coda, Francesc; Alemán Llansó, Carlos; Armelín Diggroc, Elaine Aparecida (2018-08-21)
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      New amphiphilic poly(ethylene glycol) (PEG)-grafted random intrinsically conducting copolymers which combine three different functionalities have been engineered, prepared and characterized. Specifically, these “rod-coil” ...

    • 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)
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      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 ...

    • Amyloid-like fibrils from a diphenylalanine capped with an aromatic fluorenyl 

      Martí Ballesté, Dídac; Mayans Tayadella, Enric; Gil, Ana M.; Díaz Andrade, Angélica María; Jimenez Sanz, Ana Isabel; Yousef, Ibraheem; Keridou, Ina; Cativiela, Carlos; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2018-11-19)
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      The self-assembly behavior of a diphenylalanine amphiphile blocked at the C-terminus with a 9-fluorenylmethyl ester and stabilized at the N-terminus with a trifluoroacetate (TFA) anion, TFA·FF-OFm, has been examined. At ...

    • An amphiphilic, heterografted polythiophene copolymer containing biocompatible/biodegradable side chains for use as an (electro)active surface in biomedical applications 

      Molina García, Brenda Guadalupe; Cianga, Luminita; Bendrea, Anca Dana; Cianga, Ioan; Alemán Llansó, Carlos; Armelín Diggroc, Elaine Aparecida (2019-09-28)
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      Accés obert
      Given that the copolymers of complex topology and composition are at the forefront of multifunctional materials research, this work reports aboutan amphiphilic random, heterografted copolymer of ...

    • 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)
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      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)
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      Accés obert
      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 ...

    • Antifouling properties of papain-based antifouling coatings 

      Peres, Rafael; Armelín Diggroc, Elaine Aparecida; Moreno Martinez, Juan Antonio; Alemán Llansó, Carlos; Ferreira, Carlos Arthur (2015-06-30)
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      The aim of this work is to study the antifouling performance and water uptake behaviour of coatings formulated with papain (an environmentally friendly pigment). Antifouling coatings have been formulated using rosin (natural ...

    • Antimicrobial activity of poly(3,4-ethylenedioxythiophene) n-doped with a pyridinium-containing polyelectrolyte 

      Sánchez Jiménez, Margarita; Estrany Coda, Francesc; Borràs Cristòfol, Núria; Maiti, Binoy; Díaz Díaz, David; Valle Mendoza, Luis Javier del; Alemán Llansó, Carlos (2019-08-30)
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      In spite of p-doped conducting polymers having been widely studied in the last decades and many applications having been developed, studies based on n-doped conducting polymers are extremely scarce. This fact is even more ...

    • Antimicrobial electrospun fibers of polyester loaded with engineered cyclic gramicidin analogues 

      Maione, Silvana; Valle Mendoza, Luis Javier del; Pérez Madrigal, Mª del Mar; Cativiela, Carlos; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2017)
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      Biodegradable polyester fibers have been loaded with two engineered analogues of gramicidin soviet. In these cyclic peptide derivatives, which were designed in a previous work to stabilize the bioactive conformation while ...

    • Aqueous alginate/MXene inks for 3D printable biomedical devices 

      Fontana Escartín, Adrián; Lanzalaco, Sonia; Bertran Cànovas, Òscar; Aradilla, David; Alemán Llansó, Carlos (Elsevier, 2023-08-20)
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      Accés restringit per política de l'editorial
      Electrochemically responsive hydrogel networks have been obtained using printable inks made of a biopolymer, alginate (Alg), and an inorganic 2D material, MXene (titanium carbide, Ti3C2Tx) nanosheets. While MXene offers ...

    • Aromatic ionene topology and counterion-tuned gelation of acidic aqueous solutions 

      Bachl, Jürgen; Bertran Cànovas, Òscar; Mayr, Judith; Alemán Llansó, Carlos; Díaz Díaz, David (2017-04-28)
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      Accés obert
      Unusual gelation of acidic solutions was achieved using polycations bearing quaternary ammonium moieties. These ionene polymers are based on a disubstituted phenylene dibenzamide core, which allows the construction of ...

    • Assembly of Conducting Polymer and Biohydrogel for the Release and Real-Time Monitoring of Vitamin K3 

      Molina García, Brenda Guadalupe; Domínguez, Eva; Armelín Diggroc, Elaine Aparecida; Alemán Llansó, Carlos (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-28)
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      In this work, we report the design and fabrication of a dual-function integrated system to monitor, in real time, the release of previously loaded 2-methyl-1,4-naphthoquinone (MeNQ), also named vitamin K3. The newly developed ...

    • Atmospheric pressure plasma liquid assisted deposition of polydopamine/acrylate copolymer on zirconia (Y-TZP) ceramics: a biocompatible and adherent nanofilm 

      Hodásová, L'udmila; Valle Mendoza, Luis Javier del; Fargas Ribas, Gemma; Alemán Llansó, Carlos; Armelín Diggroc, Elaine Aparecida (Royal Society of Chemistry (RSC), 2021-05-11)
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      Polydopamine–ethylene glycol dimethacrylate copolymer is a biocompatible coating with cell adhesion promotion and antibiofilm properties. This copolymer has been successfully applied on metallic implants, such as stainless ...

    • Atomistic organization and characterization of tube-like assemblies comprising peptide-polymer conjugates: computer simulation studies 

      Bertran Cànovas, Òscar; Curcó Cantarell, David; Zanuy Gomara, David; Alemán Llansó, Carlos (2013)
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      The structure and stability of the nanotube obtained by assembling peptide-polymer conjugates consisting of two poly(n-butyl acrylate) blocks coupled to the cyclic (D-alt-L)-octapeptide cyc[(L-Gln-D-Ala-L-Lys-D-Ala)(2)], ...

    • Atomistic simulations of the structure of highly crosslinked sulfonated poly(styrene-co-divinylbenzene) ion exchange resins 

      Perez Macia, Maria A; Curcó Cantarell, David; Bringue, Roger; Alemán Llansó, Carlos; Iborra, Monserrat (2015-01-01)
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      The microscopic structures of highly crosslinked sulfonated poly(styrene-co-divinylbenzene) resins have been modeled by generating atomistic microstructures using stochastic-like algorithms, which are subsequently relaxed ...

    • Avances tecnológicos en la detección de neurotransmisores 

      Bertran Cànovas, Òscar; Fabregat Jové, Georgina; Córdova Mateo, Esther; Armelín Diggroc, Elaine Aparecida; Alemán Llansó, Carlos (2011-06-01)
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      Accés restringit per política de l'editorial
      La combinación de los resultados que proporcionan los experimentos realizados en el laboratorio y el ordenador es una de las claves para conseguir avances científicos importantes en la investigación de la química aplicada ...

    • Beyond biology: alternative uses of cantilever-based technologies 

      Muñoz Galan, Helena; Alemán Llansó, Carlos; Pérez Madrigal, Maria del Mar (Royal Society of Chemistry (RSC), 2023-01-01)
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      Accés obert
      Micromechanical cantilever sensors are attracting a lot of attention because of the need for characterizing, detecting, and monitoring chemical and physical properties, as well as compounds at the nanoscale. The fields of ...

    • Binding of a C-end rule peptide to the neuropilin-1 receptor: a molecular modeling approach 

      Haspel, Nurit; Zanuy Gomara, David; Nussinov, Ruth; Teesalu, Tambet; Ruoslahti, Erkki; Alemán Llansó, Carlos (2011-03-15)
      Article
      Accés restringit per política de l'editorial
      Neuropilin-1 (NRP-1) is a receptor that plays an essential role in angiogenesis, vascular permeability, and nervous system development. Previous studies have shown that peptides with an N-terminal Arg, especially peptides ...

    • Biobased terpene derivatives: stiff and biocompatible compounds to tune biodegradability and properties of poly(butylene succinate) 

      Zeinali, Reza; Valle Mendoza, Luis Javier del; Franco García, María Lourdes; Yousef, Ibraheem; Rintjema, Jeroen; Alemán Llansó, Carlos; Bravo López, Fernando; Kleij, Arjan W.; Puiggalí Allepuz, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2022-01-01)
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      Different copolymers incorporating terpene oxide units (e.g., limonene oxide) have been evaluated considering thermal properties, degradability, and biocompatibility. Thus, polycarbonates and polyesters derived from aromatic, ...