Now showing items 1-15 of 15

    • A polymorphic register file for matrix operations 

      Ciobanu, Catalin; Kuzmanov, Georgi; Gaydadjiev, Georgi; Ramírez Bellido, Alejandro (IEEE Computer Society Publications, 2010)
      Conference report
      Open Access
      Previous vector architectures divided the available register file space in a fixed number of registers of equal sizes and shapes. We propose a register file organization which allows dynamic creation of a variable number ...
    • An integrated view of theiInfluence of temperature, pressure, and humidity on the stability of trimorphic cysteamine hydrochloride 

      Gana, Inès; Barrio Casado, María del; Ghaddar, Carine; Nicolai, Beatrice; Do, Bernard; Tamarit Mur, José Luis; Safta, Fathi; Rietveld, Ivo B. (2015-07-01)
      Article
      Open Access
      Understanding the phase behavior of pharmaceuticals is important for dosage form development and regulatory requirements, in particular after the incident with ritonavir. In the present paper, a comprehensive study of the ...
    • Anomalous behavior of thermal conductivity at high temperatures for molecular crystals composed of flexible molecules 

      Horbat¿nko, Yuliia V.; Romantsova, Olesia O.; Korolyuk, Oksana A.; Jezowski, Andrzej; Szewczyk, Daria; Tamarit Mur, José Luis; Krivchikov, Alexander (2019-04-01)
      Article
      Open Access
      The temperature dependence of thermal conductivity ¿(¿) of selected molecular polycrystals consisting of flexible molecules was investigated within 20–260¿K. The materials were para-chloronitrobenzene, pentachloronitrobenzene ...
    • Benzocaine polymorphism: Pressure-temperature phase diagram involving forms II and III 

      Gana, Inès; Barrio Casado, María del; Do, Bernard; Tamarit Mur, José Luis; Céolin, René; Rietveld, Ivo B. (2013-11-18)
      Article
      Restricted access - publisher's policy
      tUnderstanding the phase behavior of an active pharmaceutical ingredient in a drug formulation isrequired to avoid the occurrence of sudden phase changes resulting in decrease of bioavailability in amarketed product. ...
    • Determinación del diagrama Presión-Temperatura de los materiales moleculares 

      Monge Castillo, Sandra (Universitat Politècnica de Catalunya, 2019-02-07)
      Bachelor thesis
      Open Access
      En aquest projecte, s’ha fet un estudi del polimorfisme que presenten dos derivats de la benzofenona. El polimorfisme es la capacitat d’una substància per a cristal·litzar en més d’una forma sòlida. Per a ...
    • Determination of temperature-pressure state diagrams of butamben and isobutamben 

      Masons i Mas, Queralt (Universitat Politècnica de Catalunya, 2020-07-06)
      Bachelor thesis
      Open Access
      Aquest treball té com a objectiu l’estudi del polimorfisme, l’habilitat d’un sòlid d’existir en més d’una estructura cristal·lina, per dos materials orgànics que constitueixen ingredients actius farmacèutics amb propietats ...
    • Logic regression analysis of gene polymorphisms and HDL levels in a nationally representative sample of Iranian adolescents: The CASPIAN-III study 

      Moghadasi, Mehri; Kelishadi, Roya; Marateb, Hamid Reza (2017-01-01)
      Article
      Open Access
      Background: To investigate the associations of genetic polymorphism with high-density lipoprotein-cholesterol (HDL-C) levels in Iranian adolescents. Methods: This multicentre study was conducted on 10 - 18 year-old students ...
    • Phase transition in hydrogen-bonded 1-adamantane-methanol 

      Ben Hassine, Bacem; Negrier, Philippe; Barrio Casado, María del; Mondieig, Denise; Massip, Stephane; Tamarit Mur, José Luis (2015-08-01)
      Article
      Open Access
      The polymorphism of 1-adarnantane-methanol C11H18O has been investigated by differential thermal analysis and single-crystal and powder X-ray diffraction. Below the melting temperature (389.5 +/- 0.4 K), this compound ...
    • Polymorphic phase boundary in piezoelectric oxides 

      García García, José Eduardo; Rubio Marcos, Fernando (American Institute of Physics (AIP), 2020-04-01)
      Article
      Open Access
      The design of phase boundaries has now become a consolidated strategy to improve the functional properties of piezoelectric oxides because of the unique properties that may be obtained in their vicinity. In particular, ...
    • Pressure-temperature phase diagram of the dimorphism of the anti-inflammatory drug nimesulide 

      Barrio Casado, María del; Huguet, Jordi; Robert, B.; Rietveld, Ivo B.; Céolin, René; Tamarit Mur, José Luis (2017-06-15)
      Article
      Open Access
      Understanding the phase behavior of active pharmaceutical ingredients is important for formulations of dosage forms and regulatory reasons. Nimesulide is an anti-inflammatory drug that is known to exhibit dimorphism; however ...
    • Relationship between the two-component system 1-Br-adamantane + 1-Cl-adamantane and the high-pressure properties of the pure components 

      Barrio Casado, María del; Levit Valenzuela, Rafael; Lloveras Muntané, Pol Marcel; Aznar Luque, Araceli; Negrier, Philippe; Mondieig, Denise; Tamarit Mur, José Luis (2018-03-15)
      Article
      Open Access
      The temperature-composition phase diagram of the two-component system 1-Br-adamantane and 1-Cl-adamantane has been determined by means of thermal analysis techniques and X-ray powder diffraction from the low-temperature ...
    • Structural polymorphism in poly(3-ethyl-3-phenyl-2-azetidinone) 

      Iribarren Laco, José Ignacio (Elsevier, 2016-08-31)
      Article
      Restricted access - publisher's policy
      The structural characterization of chiral nylon-3 derivative, poly (3-ethyl-3-phenyl-2- azetidinone) (PEPA) has been carried out using FTIR, thermal analysis, X-ray diffraction and electron microscopy. X-ray diffraction ...
    • The relationship between orientational disorder and pressure: The case study of succinonitrile 

      Tamarit Mur, José Luis; Rietveld, Ivo B.; Barrio Casado, María del; Céolin, René (2014-12-25)
      Article
      Restricted access - publisher's policy
      Plastic phases can be considered as an intermediary state between the crystalline state and the liquid state, in which the molecules maintain their positions, but they exhibit orientational disorder. Whereas plastic phases ...
    • Thermodynamics by synchrotron X-ray diffraction: phase relationships and crystal structure of L-tyrosine ethyl ester form III 

      Nicolai, Beatrice; Itie, Jean-Paul; Barrio Casado, María del; Tamarit Mur, José Luis; Rietveld, Ivo B. (2015-01-01)
      Article
      Open Access
      In the case of small organic molecules, phase behaviour, which is important for pharmaceutical applications, is often only studied as a function of temperature. However, for a full thermodynamic description, not only the ...
    • Translation of neutrally evolving peptides provides a basis for de novo gene evolution 

      Ruiz Orera, Jorge; Verdaguer Grau, Pol; Villanueva Cañas, José Luis; Messeguer Peypoch, Xavier; Albà Soler, M. Mar (Springer, 2018-03-19)
      Article
      Open Access
      Accumulating evidence indicates that some protein-coding genes have originated de novo from previously non-coding genomic sequences. However, the processes underlying de novo gene birth are still enigmatic. In particular, ...