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664 results on '"Barrio, Maria"'

301. Barocaloric effect in the magnetocaloric prototype Gd5Si2Ge2

Author

Yuce, Suheyla, primary, Barrio, Maria, additional, Emre, Baris, additional, Stern-Taulats, Enric, additional, Planes, Antoni, additional, Tamarit, Josep-Lluís, additional, Mudryk, Yaroslav, additional, Gschneidner, Karl A., additional, Pecharsky, Vitalij K., additional, and Mañosa, Lluís, additional

Published
2012
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307. CO2 Field Lab at Svelvik Ridge: Site Suitability

Author

Bakk, Audun, primary, Girard, Jean-Francois, additional, Lindeberg, Erik, additional, Aker, Eyvind, additional, Wertz, Frederic, additional, Buddensiek, Maike, additional, Barrio, Maria, additional, and Jones, David, additional

Published
2012
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326. Dynamis CO2 quality recommendations

Author

de Visser, Erika, primary, Hendriks, Chris, additional, Barrio, Maria, additional, Mølnvik, Mona J., additional, de Koeijer, Gelein, additional, Liljemark, Stefan, additional, and Le Gallo, Yann, additional

Published
2008
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327. Overall Monotropic Behavior of a Metastable Phase of Biclotymol, 2,2′-Methylenebis(4-Chloro-3-Methyl-Isopropylphenol), Inferred From Experimental and Topological Construction of the Related P-T State Diagram

Author

Céolin, René, primary, Tamarit, Josep-Lluis, additional, Barrio, Maria, additional, López, David O., additional, Nicolaï, Béatrice, additional, Veglio, Nestor, additional, Perrin, Marc-Antoine, additional, and Espeau, Philippe, additional

Published
2008
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330. Polymorphism of CBr2Cl2

Author

Barrio, Maria, primary, Tamarit, Josep Ll., additional, Negrier, Philippe, additional, Pardo, Luis C., additional, Veglio, Nestor, additional, and Mondieig, Denise, additional

Published
2008
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331. Reversible adiabatic temperature changes at the magnetocaloric and barocaloric effects in Fe49Rh51.

Author

Stern-Taulats, Enric, Gràcia-Condal, Adrià, Planes, Antoni, Lloveras, Pol, Barrio, Maria, Tamarit, Josep-Lluís, Pramanick, Sabyasachi, Majumdar, Subham, and Mañosa, Lluís

Subjects
ADIABATIC temperature, MAGNETOCALORIC effects, ENTROPY, THERMOMETRY, HYDROSTATIC pressure
Abstract

We report on the adiabatic temperature changes (ΔT) associated with the magnetocaloric and barocaloric effects in a Fe49Rh51 alloy. For the magnetocaloric effect, data derived from entropy curves are compared to direct thermometry measurements. The agreement between the two sets of data provides support to the estimation of ΔT for the barocaloric effect, which are indirectly determined from entropy curves. Large ΔT values are obtained at relatively low values of magnetic field (2 T) and hydrostatic pressure (2.5 kbar). It is also shown that both magnetocaloric and barocaloric effects exhibit good reproducibility upon magnetic field and hydrostatic pressure cycling, over a considerable temperature range. [ABSTRACT FROM AUTHOR]

Published
2015
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332. Thermodynamics by synchrotron X-ray diffraction: phase relationships and crystal structure of l-tyrosine ethyl ester form III.

Author

Nicolaï, Béatrice, Itié, Jean-Paul, Barrio, Maria, Tamarit, Josep-Lluìs, and Rietveld, Ivo B.

Subjects
SYNCHROTRONS, X-ray diffraction, CRYSTAL structure, ETHYL esters, GIBBS' free energy
Abstract

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 temperature but also the pressure should be taken into account, because pressure and temperature are the two characteristic variables for the Gibbs energy. The commercial form of l-tyrosine ethyl ester has been studied by synchrotron X-ray diffraction while subjected to different pressures and temperatures. At room temperature, it turns into a new previously unknown form around 0.45 GPa. The structure has been solved with an orthorhombic unit cell, space group P212121, with parameters a = 12.655(4) Å, b = 16.057(4) Å, c = 5.2046(12) Å, and V = 1057.6(5) Å3 at T = 323 K and P = 0.58 GPa. The enthalpy of the transition from the commercial form to the new form could be estimated from the slope of the transition obtained from the synchrotron diffraction data. In addition, the topological pressure–temperature phase diagram has been constructed involving the two solid phases, the liquid and the vapour phase. The solid phases are enantiotropic under low pressure, but the system becomes monotropic at high pressure with the new solid phase being the only stable one. [ABSTRACT FROM AUTHOR]

Published
2015
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336. Thermodynamic, crystallographic, and dielectric study of the nature of glass transitions in cyclo-octanol

Author

Puertas, Ricardo, primary, Rute, Maria A., additional, Salud, Josep, additional, López, David O., additional, Diez, Sergio, additional, van Miltenburg, J. Kees, additional, Pardo, Luis C., additional, Tamarit, Josep Ll., additional, Barrio, Maria, additional, Pérez-Jubindo, Miguel A., additional, and de la Fuente, Maria R., additional

Published
2004
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340. Correction: Polymorphism and solid–solid phase transitions of hydrogen bonded 2-adamantanol and 2-methyl-2-adamantanol compounds.

Author

Salvatori, Alejandro, Negrier, Philippe, Massip, Stephane, Muñoz-Duque, Antonio, Lloveras, Pol, Barrio, Maria, and Tamarit, Josep-Lluís

Subjects
PHASE transitions, HYDROGEN bonding
Abstract

Correction for 'Polymorphism and solid–solid phase transitions of hydrogen bonded 2-adamantanol and 2-methyl-2-adamantanol compounds' by Alejandro Salvatori et al., CrystEngComm, 2022, 24, 3692–3700, https://doi.org/10.1039/D2CE00324D. [ABSTRACT FROM AUTHOR]

Published
2022
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341. Colaboradores

Author

Alegre Martínez, Estibaliz, Alkorta Aranburu, Gorka, Cañada Higueras, Eva, Fernández Calle, Pilar, Fernández Landázuri, Sara, García del Barrio, María Ángeles, González Hernández, Álvaro, Imizcoz Fabra, Teresa, Izaguirre Ascargorta, Maitane, Macías Conde, Mónica, Martínez Espartosa, Débora, Martínez Villanueva, Miriam, Mugueta Uriaque, Carmen, Oliver Sáez, Paloma, Panizo Santos, Carlos, Patiño García, Ana, Pérez-Mediavilla, Alberto, Ruiz de Azúa, Elena Puerta, Ramírez Ruiz, Carla, Restituto Aranguíbel, Patricia, Sandúa Condado, Amaia, Segovia Amaro, Marta, Sendino Miguel, Teresa, Serrano Alonso, María, and Varo Cenarruzabeitia, Nerea

Published
2019
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342. C60Solvate with (1,1,2)-Trichloroethane: Dynamic Statistical Disorder and Mixed Conformation

Author

Mitsari, Efstratia, Romanini, Michela, Qureshi, Navid, Tamarit, Josep Lluís, Barrio, Maria, and Macovez, Roberto

Abstract

We present a full characterization of the orientationally disordered cocrystal of C60with (1,1,2)-trichloroethane (C2H3Cl3), by means of X-ray diffraction, Raman spectroscopy, and broadband dielectric spectroscopy. Our results include the determination of molecular conformations, lattice structure, positional disorder, and molecular reorientational dynamics down to the microsecond time scale. We find that, while in the disordered solid phase of pure C2H3Cl3the molecules exist only in the gaucheconformation, both gaucheand transoidconformers are present in the solvate, where they occupy the largest interstitial cavities between the fullerene species. The two C2H3Cl3conformers exhibit separate, independent relaxations, exhibiting simply activated behavior in the measured temperature range. The relaxation of the transoidconformer, which has twice the dipole moment of the gaucheisomer, is significantly slower than that of the latter, due to the high polarizability of C60resulting in an electrostatic drag against the reorientations of the dipolar C2H3Cl3species. The observation of two distinct, simply activated relaxations freezing at distinct temperatures indicates that they are not truly many-body relaxations, which may be rationalized considering that the C2H3Cl3molecules are separated by the relatively bulky C60spacers.

Published
2016
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348. GPI-anchor and GPI-anchored protein expression in PMM2-CDG patients.

Author

Morena-Barrio, Maria E de la, Hernández-Caselles, Trinidad, Corral, Javier, García-López, Roberto, Martínez-Martínez, Irene, Pérez-Dueñas, Belen, Altisent, Carmen, Sevivas, Teresa, Kristensen, Soren R., Guillén-Navarro, Encarna, Miñano, Antonia, Vicente, Vicente, Jaeken, Jaak, and Lozano, Maria L.

Subjects
*PHOSPHOMANNOMUTASE, *MANNOSE, *BIOSYNTHESIS, *GLYCOSYLPHOSPHATIDYLINOSITOL, *GLYCOLIPIDS, *RARE diseases
Abstract

Background Mutations in PMM2 impair phosphomannomutase-2 activity and cause the most frequent congenital disorder of glycosylation, PMM2-CDG. Mannose-1-phosphate, that is deficient in this disorder, is also implicated in the biosynthesis of glycosylphosphatidyl inositol (GPI) anchors. Objective To evaluate whether GPI-anchor and GPI-anchored proteins are defective in PMM2-CDG patients. Methods The expression of GPI-anchor and seven GPI-anchored proteins was evaluated by flow cytometry in different cell types from twelve PMM2-CDG patients. Additionally, neutrophil CD16 and plasma hepatic proteins were studied by Western blot. Transferrin glycoforms were evaluated by HPLC. Results Patients and controls had similar surface expression of GPI-anchor and most GPI-anchored proteins. Nevertheless, patients displayed a significantly diminished binding of two anti- CD16 antibodies (3G8 and KD1) to neutrophils and also of anti-CD14 (61D3) to monocytes. Interestingly, CD16 immunostaining and asialotransferrin levels significantly correlated with patients' age. Analysis by flow cytometry of CD14 with MϕP9, and CD16 expression in neutrophils by Western blot using H-80 ruled out deficiencies of these antigens. Conclusions PMM2 mutations do not impair GPI-anchor or GPI-anchored protein expression. However, the glycosylation anomalies caused by PMM2 mutations might affect the immunoreactivity of monoclonal antibodies and lead to incorrect conclusions about the expression of different proteins, including GPI-anchored proteins. Neutrophils and monocytes are sensitive to PMM2 mutations, leading to abnormal glycosylation in immune receptors, which might potentially affect their affinity to their ligands, and contribute to infection. This study also confirms less severe hypoglycosylation defects in older PMM2-CDG patients. [ABSTRACT FROM AUTHOR]

Published
2013
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