Exploració per autor "Tamarit Mur, José Luis"
Ara es mostren els items 31-50 de 155
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Dielectric spectroscopy studies of conformational relaxation dynamics in molecular glass-forming liquids
Romanini, Michela; Macovez, Roberto; Valenti, Sofia; Noor, Wahi; Tamarit Mur, José Luis (Multidisciplinary Digital Publishing Institute (MDPI), 2023-12-06)
Article
Accés obertWe review experimental results obtained with broadband dielectric spectroscopy concerning the relaxation times and activation energies of intramolecular conformational relaxation processes in small-molecule glass-formers. ... -
Disentangling a and ß relaxation in orientationally disordered crystals with theory and experiments
Cui, Bingyu; Gebbia, Jonathan Fernando; Tamarit Mur, José Luis; Zaccone, Asessio (American Institute of Physics (AIP), 2018-05-21)
Article
Accés obertWe use a microscopically motivated Generalized Langevin Equation (GLE) approach to link the vibrational density of states (VDOS) to the dielectric response of orientational glasses (OGs). The dielectric function calculated ... -
Disentangling the secondary relaxations in the orientationally disordered mixed crystals: cycloheptanol + cyclooctanol two-component system
Martínez García, Julio Cesar; Tamarit Mur, José Luis; Pardo Soto, Luis Carlos; Barrio Casado, María del; Rzosca, S. J.; Drozd Rzosca, A. (2010-04-20)
Article
Accés restringit per política de l'editorialThe dynamics of the pure compounds and mixed crystals formed between cycloheptanol (cC7-ol) and cyclooctanol (cC8-ol) has been studied by means of broadband dielectric spectroscopy at temperatures near and above the ... -
Disorder effects on heat transport properties of orientationally disordered crystals
Bermejo, F.J.; Sharapova, I.V.; Krivchikov, A.I.; Korolyuk, O.A.; Jezowski, A.; Rovira Esteva, Muriel; Tamarit Mur, José Luis; Pardo Soto, Luis Carlos; Ruíz Martín, María Dolores (2010-03-30)
Article
Accés restringit per política de l'editorial -
Does the trihydrate of atorvastatin calcium possess a melting point?
Barrio Casado, María del; Clevers, Simon; Dupray, Valérie; Coquerel, Gerard; Tamarit Mur, José Luis; Rietveld, Ivo B. (2020-05-30)
Article
Accés obertTo decide whether an active pharmaceutical ingredient can be used in its amorphous form in drug formulations, often the glass transition is studied in relation to the melting point of the pharmaceutical. If the glass ... -
Double primary relaxation in a highly anisotropic orientational glass-former with low-dimensional disorder
Romanini, Michela; Barrio Casado, María del; Capaccioli, Simon; Ruíz Martín, María Dolores; Macovez, Roberto; Tamarit Mur, José Luis (2016-04-26)
Article
Accés obertThe freezing of the cooperative reorientational motions in orientationally disordered (OD) molecular crystals marks the so-called \glassy" transition, which may be considered a lower-dimensional version of the structural ... -
Drug-biopolymer dispersions: morphology-and temperature-dependent (anti)plasticizer effect of the drug and component-specific Johari–Goldstein relaxations
Valenti, Sofia; Valle Mendoza, Luis Javier del; Romanini, Michela; Mitjana Rusiñol, Meritxell; Puiggalí Bellalta, Jordi; Tamarit Mur, José Luis; Macovez, Roberto (2022-03-01)
Article
Accés obertAmorphous molecule-macromolecule mixtures are ubiquitous in polymer technology and are one of the most studied routes for the development of amorphous drug formulations. For these applications it is crucial to understand ... -
Dynamic characterization of crystalline and glass phases of deuterated 1,1,2,2 tetrachloroethane
Perez, Silvina C.; Zuriaga, Jose Mariano; Serra, Pablo; Wolfenson, Alberto; Negrier, Philippe; Tamarit Mur, José Luis (2015-10-07)
Article
Accés obertA thorough characterization of the gamma, beta, and glass phases of deuterated 1,1,2,2 tetrachloroethane (C2D2Cl4) via nuclear quadrupole resonance and Molecular Dynamic Simulations (MDSs) is reported. The presence of ... -
Dynamic heterogeneity in an orientational glass
Caballero, Nirvana B.; Zuriaga, Jose Mariano; Tamarit Mur, José Luis; Serra, Pablo (2017-11-14)
Article
Accés obertThe family of compounds CBrnCl4-n has been proven helpful in unraveling microscopic mechanisms responsible for glassy behavior. Some of the family members show translational ordered phases with minimal disorder which appears ... -
Dynamics and local ordering of pentachloronitrobenzene: a molecular-dynamics investigation
Gebbia, Jonathan Fernando; Henao Aristizabal, Andrés; Negrier, Philippe; Aguilà Aviles, David; Tamarit Mur, José Luis; Pardo Soto, Luis Carlos (Royal Society of Chemistry (RSC), 2023-11-06)
Article
Accés obertPlastic phases are constituted by molecules whose centers of mass form a long range ordered crystalline lattice, but rotate in a more or less constrained way. Pentachloronitrobenzene (PCNB) is a quasi-planar hexa-substituted ... -
Dynamics of orientationally disordered mixed crystal sharing Cl-adamantane and CN-adamantane
Martínez García, Julio Cesar; Capaccioli, Simon; Díez Berart, Sergio; Tamarit Mur, José Luis; Barrio Casado, María del; Veglio, Néstor Raúl; Pardo Soto, Luis Carlos (2010-01-27)
Article
Accés restringit per política de l'editorialOrientationally disordered (OD) mixed crystals formed between cyanoadamantane (CN-A) and chloroadamantane (Cl-A) have been thermodynamically characterized by means of thermal analysis and X-ray diffraction. The dynamics ... -
Effects of internal molecular degrees of freedom on the thermal conductivity of some glasses and disordered crystals
Davydova, N. A.; Baran, J.; Jezowski, A.; Krivchikov, A.I.; Korolyuk, O.A.; Sharapova, I.V.; Tamarit Mur, José Luis; Bermejo, F.J.; Pardo Soto, Luis Carlos; Rovira Esteva, Muriel; Ruíz Martín, María Dolores (2012-01-01)
Article
Accés restringit per política de l'editorialThe thermal conductivity κ(T ) of the fully ordered stable phase II, the metastable phase III, the orientationally disordered (plastic) phase I, as well as the nonergodic orientational glass (OG) phase, of the glass ... -
Effects of site-occupation disorder on the low-temperature thermal conductivity of molecular crystals
Krivchikov, Alexander I; Vdovichenko, Georgii A.; Korolyuk, O. A.; Bermejo, F. Javier; Pardo Soto, Luis Carlos; Tamarit Mur, José Luis; Jezowski, Andrzej; Szewczyk, Daria (2015-01-01)
Article
Accés obertThe thermal conductivity of CBrnCl4-n,(n = 0,1,2) and 2-adamantanone (C10H14O) crystals which exhibit substitutional disorder has been measured for temperatures between 2 K and 150 K. Such temperatures comprise signatures ... -
Emergence of glassy features in halomethane crystals
Moratalla Martín, Manuel Eduardo; Gebbia, Jonathan Fernando; Ramos Ruiz, Miguel Angel; Pardo Soto, Luis Carlos; Tamarit Mur, José Luis (American Physical Society (APS), 2019-01-02)
Article
Accés obertBoth structural glasses and disordered crystals are known to exhibit anomalous thermal, vibrational, and acoustic properties at low temperatures or low energies, what is still a matter of lively debate. To shed light on ... -
Emergence of glassy-like dynamics in an orientationally ordered phase
Romanini, Michela; Negrier, Philippe; Tamarit Mur, José Luis; Capaccioli, Simon; Barrio Casado, María del; Pardo Soto, Luis Carlos; Mondieig, Denise (2012-04-04)
Article
Accés obertThe dynamics of a simple rigid pseudoglobular molecule (2-adamantanone) has been studied by means of dielectric spectroscopy and examined under the constraints imposed by the space group of the crystal structure determined ... -
Enantiomer resolution by pressure increase: inferences from experimental and topological results for the binary enantiomer system (R)- and (S)-mandelic acid
Rietveld, Ivo B.; Barrio Casado, María del; Tamarit Mur, José Luis; Do, Bernard; Céolin, René (2011-11-02)
Article
Accés restringit per política de l'editorialIn pharmacy, racemic compounds are often problematic, because generally only one of the enantiomers possesses therapeutic activity and it is often difficult to separate them. Even though this problem is likely as old ... -
Enhancement of the physical and chemical stability of amorphous drug-polymer mixtures via cryogenic comilling
Romanini, Michela; Lorente, Marta; Schammé, Benjamin; Delbreilh, Laurent; Dupray, Valérie; Coquerel, Gerard; Tamarit Mur, José Luis; Macovez, Roberto (American Chemical Society (ACS), 2018-11-27)
Article
Accés obertAmorphous dispersions of the Biclotymol antiseptic are obtained in polyvinylpyrrolidone (PVP), for different drug loadings, by comilling at temperatures below the glass transition of both components. Characterization of ... -
Eutectic mixture formation and relaxation dynamics of coamorphous mixtures of two benzodiazepine drugs
Valenti, Sofia; Cazorla Silva, Claudio; Romanini, Michela; Tamarit Mur, José Luis; Macovez, Roberto (Multidisciplinary Digital Publishing Institute (MDPI), 2023-01-01)
Article
Accés obertThe formation of coamorphous mixtures of pharmaceuticals is an interesting strategy to improve the solubility and bioavailability of drugs, while at the same time enhancing the kinetic stability of the resulting binary ... -
Experimental and topological determination of the pressure-temperature phase diagram of morniflumate, a pharmaceutical ingredient with anti-inflammatory properties
Barrio Casado, María del; Tamarit Mur, José Luis; Céolin, René; Robert, Benoit; Guechot, C.; Teulon, J.M.; Rietveld, Ivo B. (2017-09-01)
Article
Accés obertThe pressure-temperature phase diagram of morniflumate (niflumic acid ß-morpholinoethyl ester) has been obtained by high-pressure thermal analysis. In addition, calorimetric melting data (TI¿L = (348.1 ± 0.4) K and ¿HI¿L ... -
Experimental and topological determination of the pressure-temperature phase diagram of racemic etifoxine, a pharmaceutical ingredient with anxiolytic properties
Barrio Casado, María del; Allouchi, Hassan; Tamarit Mur, José Luis; Céolin, René; Berthon-Cédille, Laurence; Rietveld, Ivo B. (2019-12-18)
Article
Accés obertInformation about the solid-state properties of etifoxine has been lacking, even if the active pharmaceutical ingredient has been used for its anxiolytic properties for decennia. The crystal structure of the racemic compound ...