Exploració per autor "Cativiela, Carlos"

Ara es mostren els items 1-18 de 18

    • 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 ...

    • 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 ...

    • Conformational Preferences of 1-Amino-2-phenylcyclohexanecarboxylic Acid, a Phenylalanine Cyclohexane Analogue 

      Alemán Llansó, Carlos; Jimenez, Ana I; Cativiela, Carlos; Nussinov, Ruth; Casanovas, Jordi (2009-10)
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      Accés restringit per política de l'editorial
      The intrinsic conformational preferences of the restricted phenylalanine analogue generated by including the R and β carbon atoms into a cyclohexane ring (1-amino-2-phenylcyclohexanecarboxylic acid, c6Phe) have been ...

    • Conformational preferences of proline analogues with a fused benzene ring 

      Warren, Javier G.; Revilla López, Guillermo; Alemán Llansó, Carlos; Jimenez Sanz, Ana Isabel; Cativiela, Carlos; Torras Costa, Juan (2010-09-16)
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      Accés restringit per política de l'editorial
      The intrinsic conformational preferences of indoline-2-carboxylic acid (Inc) and its R-methylated derivative (RMeInc) have been investigated using quantum mechanical calculations. Specifically, the behavior of ...

    • 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)
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      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 ...

    • Effect of solvent choice on the self-assembly properties of a diphenylalanine amphiphile stabilized by an ion pair 

      Mayans Tayadella, Enric; Ballano Ballano, María Gema; Sendros, Javier; Font Bardia, Mercè; Campos López, Josefina de Lourdes; Puiggalí Bellalta, Jordi; Cativiela, Carlos; Alemán Llansó, Carlos (2017-07-19)
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      Accés restringit per política de l'editorial
      A diphenylalanine (FF) amphiphile blocked at the C terminus with a benzyl ester (OBzl) and stabilized at the N terminus with a trifluoroacetate (TFA) anion was synthetized and characterized. Aggregation of peptide molecules ...

    • Effects of ring contraction on the conformational preferences of a-substituted proline analogs 

      Revilla López, Guillermo; Warren, Javier G.; Torras Costa, Juan; Jiménez, Ana I.; Cativiela, Carlos; Alemán Llansó, Carlos (2012-03-01)
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      Accés restringit per política de l'editorial
      The structural consequences derived from the incorporation of either a methyl or a phenyl group at the a carbon of proline were recently investigated by quantum mechanical calculations (J Org Chem 2008, 73, 3418). In ...

    • Electro-biocompatibility of conjugates designed by chemical similarity 

      Maione, Silvana; Fabregat Jové, Georgina; Valle Mendoza, Luis Javier del; Ballano Ballano, María Gema; Cativiela, Carlos; Alemán Llansó, Carlos (2014-07-01)
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      Accés restringit per política de l'editorial
      The roughness and thickness of films formed by hybrid conjugates prepared by coupling poly(3,4-ethylenedioxythiophene) and synthetic amino acids bearing a 3,4-ethylenedioxythiophene group in the side chain have been ...

    • Electroactive polymer-peptide conjugates for adhesive biointerfaces 

      Maione, Silvana; Gil, Ana M.; Fabregat Jové, Georgina; Valle Mendoza, Luis Javier del; Triguero Enguídanos, Jordi; Laurent, A.; Jacquemin, Denis; Estrany Coda, Francesc; Jimenez Sanz, Ana Isabel; Zanuy Gomara, David; Cativiela, Carlos; Alemán Llansó, Carlos (Royal Society of Chemistry, 2015-01-01)
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      Electroactive polymer-peptide conjugates have been synthesized by combining poly(3,4-ethylenedioxythiophene), a polythiophene derivative with outstanding properties, and an Arg-Gly-Asp (RGD)-based peptide in which Gly has ...

    • Electrospray loading and release of hydrophobic gramicidin in polyester microparticles 

      Maione, Silvana; Valle Mendoza, Luis Javier del; Pérez Madrigal, Mª del Mar; Cativiela, Carlos; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2016)
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      Accés restringit per política de l'editorial
      Gramicidin (GA), a very hydrophobic pentadecapeptide with important biological activities (i.e. in addition to its well-known antimicrobial and antibiotic activities, GA has been recently identified as a potent therapeutic ...

    • Engineering strategy to improve peptide analogs: from structure-based computational design to tumor homing 

      Zanuy Gomara, David; Sayago García, Francisco Javier; Revilla López, Guillermo; Ballano Ballano, María Gema; Agemy, Lilach; Kotamraju, Venkata Ramana; Jimenez, Ana I.; Cativiela, Carlos; Nussinov, Ruth; Sawvel, April M.; Ruoslahti, Erkki; Stucky, Galen; Alemán Llansó, Carlos (2013-01)
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      We present a chemical strategy to engineer analogs of the tumor-homing peptide CREKA (Cys-Arg- Glu-Lys-Ala), which binds to fibrin and fibrin-associated clotted plasma proteins in tumor vessels (Simberg et al. in Proc ...

    • Hierarchical self-assembly of di-, tri- and tetraphenylalanine peptides capped with two fluorenyl functionalities: from polymorphs to dendrites 

      Mayans Tayadella, Enric; Ballano Ballano, María Gema; Casanovas Muñoz, Jordi; Valle Mendoza, Luis Javier del; Pérez Madrigal, Mª del Mar; Estrany Coda, Francesc; Jimenez Sanz, Ana Isabel; Puiggalí Bellalta, Jordi; Cativiela, Carlos; Alemán Llansó, Carlos (2016)
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      Homopeptides with 2, 3 and 4 phenylalanine (Phe) residues and capped with fluorenylmethoxycarbonyl and fluorenylmethyl esters at the N-terminus and C-terminus, respectively, have been synthesized to examine their self-assembly ...

    • Hybrid polypeptide/polylactide copolymers with short phenylalanine blocks 

      Mayans Tayadella, Enric; Murase Fernández, Sara Keiko; Pérez Madrigal, Maria del Mar; Cativiela, Carlos; Alemán Llansó, Carlos; Puiggalí Bellalta, Jordi (2018-07-29)
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      Hybrid copolymers constituted by short l-phenylalanine (Phe) blocks (i.e., Phen with n ranging from 2 to 25) and l-lactide blocks of different length are synthesized and characterized. The diblock structure is obtained by ...

    • NCAD, a database integrating the intrinsic conformational preferences of non-coded amino acids 

      Alemán Llansó, Carlos; Grodzinski, Piotr; Nussinov, Ruth; Revilla López, Guillermo; Torras Costa, Juan; Curcó, David; Casanovas, Jordi; Calaza, Maria Isabel; Zanuy Gomara, David; Jimenez Sanz, Ana Isabel; Cativiela, Carlos (2010-05-10)
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      Peptides and proteins find an ever-increasing number of applications in the biomedical and materials engineering fields. The use of non-proteinogenic amino acids endowed with diverse physicochemical and structural ...

    • Peptide delta-turn: Literature survey and recent progress 

      Toniolo, Claudio; Crisma, Marco; Moretto, Alessandro; Peggion, Cristina; Formaggio, Fernando; Alemán Llansó, Carlos; Cativiela, Carlos; Ramakrishnan, Chandrasekharan; Balaram, Padmanabhan (2015-09-28)
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      Among the various types of a-peptide folding motifs, delta-turn, which requires a central cis-amide disposition, has been one of the least extensively investigated. In particular, this main-chain reversal topology has been ...

    • Surface mediated hierarchical assemblies of highly hydrophobic phenylalanine-based peptides 

      Mayans Tayadella, Enric; Fabregat Jové, Georgina; Juarez Dominguez, Ruben; Cativiela, Carlos; Puiggalí Bellalta, Jordi; Alemán Llansó, Carlos (2017-01-01)
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      We report the noticeable control exerted by the surface in the self-assembly of a highly hydrophobic triphenylalanine peptide with fluorenyl functionalities blocking the two ends. The remarkable differences observed among ...

    • Synergistic computational-experimental approach to improve ionene polymer-based functional hydrogels 

      Bachl, Jürgen; Zanuy Gomara, David; López Pérez, Daniel Ernesto; Revilla López, Guillermo; Cativiela, Carlos; Alemán Llansó, Carlos; Diaz Diaz, David (2014-08-20)
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      Accés restringit per política de l'editorial
      The manifold applications of ionene-based materials such as hydrogels in daily life, biomedical sciences, and industrial processes are a consequence of their unique physical and chemical properties, which are governed by ...