Listar por autor "León-Reina, Laura"
Mostrando ítems 1-20 de 44
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A Self-Folding Polymer Film Based on Swelling Metal–Organic Frameworks
Troyano, Javier; Carné-Sánchez, Arnau; Pérez-Carvajal, Javier; León-Reina, Laura; Imaz, Inhar; Cabeza-Díaz, Aurelio
; Maspoch, Daniel[et al.] (Wiley-VCH Verlag GmbH & Co., 2018-10-23)
Herein, we exploit the well-known swelling behaviour of metal–organic frameworks (MOFs) to create a selffolding polymer film. Namely, we show that incorporating crystals of the flexible MOF MIL-88A into a polyvinylidene ... -
Accuracy in Cement Hydration Investigations: Combined X-ray Microtomography and Powder Diffraction Analyses
Salcedo, Inés R.; Cuesta-García, Ana María; Shirani, Shiva; León-Reina, Laura; García-Aranda, Miguel Ángel (MDPI, 2021-11-17)
Cement hydration is a very complex set of processes. The evolution of the crystalline phases during hydration can be accurately followed by X-ray powder diffraction data evaluated by the Rietveld method. However, accurate ... -
Accuracy in cement hydration investigations: Combined X-ray microtomography and powder diffraction analyses
Salcedo, Inés R.; Cuesta-García, Ana María; Shirani, Shiva; León-Reina, Laura; García-Aranda, Miguel Ángel (2022-06)
Cements are multi-phase materials that can be well understood using a multi-technique approach. Furthermore, the hydration of cement pastes is a very complex set of processes. In this work, we focus on the accuracy of the ... -
Accuracy in Rietveld quantitative phase analysis: a comparative study of strictly monochromatic Mo and Cu radiations
León-Reina, Laura; García-Maté, Marta; Álvarez-Pinazo, Gema; Santacruz-Cruz, María Isabel; Vallcorba, Oriol; Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel[et al.] (Willey online Library, 2016)
This study reports 78 Rietveld quantitative phase analyses using Cu K 1, Mo K 1 and synchrotron radiations. Synchrotron powder diffraction has been used to validate the most challenging analyses. From the results for ... -
Amorphous determination in calcium sulfoaluminate materials by external and internal methods
García-Maté, Marta; Santacruz-Cruz, María Isabel; Cuesta-García, Ana María; León-Reina, Laura; García-Aranda, Miguel Ángel; Baco, Isabelle; Morin, Vincent; Walenta, Günther; Gartner, Ellis; Gómez-de-la-Torre, María de los Ángeles[et al.] (ICE Publishing, 2014)
External standard methodology has been successfully applied to quantify the known amounts of amorphous component that are increasingly added to cement-related materials. The consistency and accuracy of the methodology were ... -
Cementos de arcillas calcinadas y caliza preparados en la Universidad de Málaga
Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Cuesta-García, Ana María; Bernal, Isabel M.R.; Redondo-Soto, Cinthya; Morales-Cantero, Alejandro; Shirani, Shiva; Pérez-Bravo, Raquel; Franco-Duro, Francisco Ignacio; García-Maté, Marta; Salcedo, Inés R.; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (2022)
Adjuto documento -
Combined use of laboratory X-ray diffraction and microtomography in early age cement hydration.
Cuesta-García, Ana María; Shirani, Shiva; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Morales-Cantero, Alejandro; Koufany, Imane; Redondo-Soto, Cinthya; Salcedo, Inés R.; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (2023)
In situ laboratory X-ray powder diffraction (LXRPD) is widely used for studying cement hydration at early ages. However, this approach has limitations due to the intrinsic characteristics of the main methodologies (flat ... -
Combined use of X-ray diffraction and microtomography for accurate cement hydration studies.
García-Aranda, Miguel Ángel; Cuesta-García, Ana María; Shirani, Shiva; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Morales-Cantero, Alejandro; Koufany, Imane; Redondo-Soto, Cinthya; Salcedo, Inés R.; León-Reina, Laura[et al.] (2023)
Ver fichero adjunto que contiene toda la información incluyendo imagenes -
Effect of calcium sulfate source on the hydration of calcium sulfoaluminate eco-cement
García-Maté, Marta; Gómez-de-la-Torre, María de los Ángeles; León-Reina, Laura; Ramírez-Losilla, Enrique; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel[et al.] (2014)
The availability of cements, including eco-cements, with tailored mechanical properties is very important for special applications in the building industry. Here we report a full study of the hydration of calcium sulfoaluminate ... -
Empleo conjunto de difracción de rayos X de polvo y microtomografía de laboratorio en la hidratación del cemento Portland.
Fernández-Sánchez, Jaime; Cuesta-García, Ana María; Shirani, Shiva; Redondo-Soto, Cinthya; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; León-Reina, Laura; Salcedo, Inés R.; García-Aranda, Miguel Ángel[et al.] (2023)
Se trataron los aspectos más generales sobre la química del cemento, la ciencia del hormigón, el empleo de nuevos materiales más eco-eficientes en la preparación de nuevos sistemas cementantes, revalorización de residuos ... -
Las figurillas de terracota del Teatro Romano de Málaga (España): Un estudio arqueométrico
Compaña Prieto, José Manuel; Cabeza-Díaz, Aurelio; García-Aranda, Miguel Ángel; León-Reina, Laura; Corrales Aguilar, Manuel; Corrales-Aguilar, Pilar[et al.] (Sociedad Española de Cerámica y Vidrio, 2014-06)
Se han estudiado 22 terracotas figuradas feno-púnicas y romanas, de alto valor arqueológico y patrimonial. Las muestras proceden de las excavaciones del Teatro romano de Málaga (España). El análisis realizado incluye ... -
Guest Molecule-Responsive Functional Calcium Phosphonate Frameworks for Tuned Proton Conductivity
Bazaga-García, Montse; Pérez-Colodrero, Rosario Mercedes; Papadaki, M.; Garczarek, Piotr; Zon, Jerzy; Olivera-Pastor, Pascual; Losilla, Enrique R.; León-Reina, Laura; García-Aranda, Miguel Ángel; Choquesillo-Lazarte, Duane; Demadis, Konstantinos D.; Cabeza-Díaz, Aurelio[et al.] (American Chemical Society, 2014-03-18)
We report the synthesis, structural characterization, and functionality of an open-framework hybrid that combines Ca2+ ions and the rigid polyfunctional ligand 5-(dihydroxyphosphoryl) isophthalic acid (PiPhtA). Ca-PiPhtA-I ... -
High Proton Conductivity in a Flexible, Cross-Linked, Ultramicroporous Magnesium Tetraphosphonate Hybrid Framework
Pérez-Colodrero, Rosario Mercedes; Olivera-Pastor, Pascual; Losilla, Enrique R.; Hernández Alonso, Daniel; García-Aranda, Miguel Ángel; León-Reina, Laura; Rius, Jordi; Demadis, Konstantinos D.; Moreau, Bernard; Villemin, Didier; Palomino, Miguel; Rey, Fernando; Cabeza-Díaz, Aurelio[et al.] (American Chemical Society, 2012-07-03)
Multifunctional materials, especially those combining two or more properties of interest, are attracting immense attention due to their potential applications. MOFs, metal organic frameworks, can be regarded as multifunctional ... -
Hydration Reactions and Mechanical Strength Developments of Iron- Rich Sulfobelite Eco-cements
Álvarez-Pinazo, Gema; Santacruz-Cruz, María Isabel; León-Reina, Laura; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles (2013)
Belite calcium sulfoaluminate (BCSA) cements are low-CO2 building materials. However, their hydration behavior and its effect on mechanical properties have still to be clarified. Here, we report a full multitechnique study ... -
Hydration studies of calcium sulfoaluminate cements blended with fly ash
García-Maté, Marta; Gómez-de-la-Torre, María de los Ángeles; León-Reina, Laura; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel (Elsevier, 2013)
The main objective of this work is to study the hydration and properties of calciumsulfoaluminate cement pastes blended with fly ash (FA) and the corresponding mortars at different hydration ages. Laboratory X-ray ... -
In-situ early age hydration of cement-based materials by synchrotron X-ray powder diffraction
García-Maté, Marta; Álvarez-Pinazo, Gema; León-Reina, Laura; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; García-Aranda, Miguel Ángel; Chou, K. W.; Neuhausen, U.; Petrash, S[et al.] (2015-07-01)
Cement based binders are building materials of worldwide importance. Since these samples are very complex, the knowledge/control of their mineralogical composition are essential to design and predict materials with ... -
In-situ Molibdenum X-ray powder diffraction study of the early hydration of cementitious systems on a humidity chamber
Londono-Zuluaga, Diana; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; León-Reina, Laura; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles[et al.] (2016-07-06)
The durability of cement-based construction materials depends on the environmental conditions during their service life. A further factor is the microstructure of the cement bulk, established by formation of cement hydrates. ... -
Investigaciones arqueométricas en las cuevas de Ardales y Las Palomas de Teba (Comarca del Guadalteba, Málaga)
Capel-Ferrón, Cristina; León-Reina, Laura; Compaña Prieto, José Manuel; Jorge Villar, Susana; Medianero Soto, Francisco Javier; López-Navarrete, Juan Teodomiro; Hernández-Jolín, Víctor[et al.] (2014-10-14)
We have performed a Raman miscroscopic analysis of a series of prehistoric artifacs found inside the Ardales Cave (Ardales, Málaga, Spain), such as a number of fixed and portable fat-burning stone lamps, some lithic tools ... -
Mix and measure - Combining in situ X-ray powder diffraction and microtomography for accurate hydrating cement studies.
Shirani, Shiva; Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Koufany, Imane; Redondo-Soto, Cinthya; Salcedo, Inés R.; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (Elsevier, 2023-11-14)
It is reported an innovative methodology based on in situ MoKα1 laboratory X-ray powder diffraction (LXRPD) and microtomography (μCT) avoiding any sample conditioning. The pastes are injected in 2.0 mm capillaries and the ... -
Mix and measure II: joint high-energy laboratory powder diffraction and microtomography for cement hydration studies
Fernández-Sánchez, Jaime; Cuesta, Ana; Shirani, Shiva; Redondo-Soto, Cinthya; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Salcedo, Inés R.; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (A. H. Liu, HPSTAR and Harbin Institute of Technology, People's Republic of China, 2024)