Recursos de colección

Digital.CSIC (158.952 recursos)

Repositorio institucional del Consejo Superior de Investigaciones Científicas. Digital.CSIC es un depósito de documentos digitales, cuyo objetivo es organizar, archivar, preservar y difundir en modo de acceso abierto la producción intelectual resultante de la actividad investigadora del CSIC.

(ICMS) Artículos post-print

Mostrando recursos 1 - 5 de 5

  1. Mechanochemical synthesis and characterization of II-VI nanocrystals: Challenge for cytotoxicity issues

    Baláž , P.; Jardin, R.; Dutková, E.; Sayagués, María Jesús; Baláž , M.; Moizis, J.; Turinicovña, E.; Fabián, M.
    CdSe@ZnS nanocrystals have been prepared by a two-step solid state mechanochemical synthesis. CdSe prepared from elements in the first step is mixed with ZnS synthesized from zinc acetate and sodium sulfide in the second step. The crystallite size of the new type CdSe@ZnS nanocrystals determined by X-ray diffraction Rietveld refined method was 35 nm and 10 nm for CdSe and ZnS, respectively. Energy dispersive/transmission electron microscopy/energy dispersive spectroscopy methods show good crystallinity of the nanoparticles and scanning electron microscopy elemental mapping illustrate consistent distribution of Cd, Se, Zn and S elements in the bulk of samples. UV-VIS spectra show an...
    - 19-dic-2017

  2. Oxidative dehydrogenation of ethanol over Au/TiO 2 photocatalysts

    Sannino, D.; Vaiano, V.; Ciambelli, P.; Hidalgo, M.C.; Murcia, J.J.; Navío, José Antonio
    Au/TiO 2 photocatalysts were used in ethanol oxidative dehydrogenation. Catalysts at gold loading ranging between 0.5-2 wt.% were synthesized by photodeposition (using different deposition times: 15 and 120 min) over an ownprepared TiO 2 by sol-gel method. For reference purposes, a commercial 1 wt.% Au/TiO 2 catalyst (AUROlite ™, Strem Chemicals) was also tested. Photocatalytic reactions were carried out in a gas-solid photocatalytic fluidized bed reactor. Catalytic activity depends strongly both on Au loading and on the material properties, such as particle size and distribution of metal on titania surface. Acetaldehyde was the main reaction product, with ethylene, crotonaldehyde and...
    - 19-dic-2017

  3. Gas-phase photocatalytic partial oxidation of cyclohexane to cyclohexanol and cyclohexanone on Au/TiO2 photocatalysts

    Sannino, D.; Vaiano, V.; Ciambelli, P.; Murcia, J.J.; Hidalgo, M.C.; Navío, José Antonio
    The heterogeneous photocatalytic partial oxidation of cyclohexane in gas-phase as an alternative green process for fine chemicals synthesis was successfully achieved on Au/TiO2 photocatalysts prepared by photodeposition technique. Different gold loadings ranging between 0.5 and 2 wt.% of photodeposited Au on TiO2 synthesized by sol-gel method were obtained by changing the concentration of gold precursor at fixed illumination intensity and time. The cyclohexane partial photoxidation was conducted in a gas-solid photocatalytic fluidized bed reactor at high illumination efficiency. Main observed reaction products were cyclohexanol, cyclohexanone and CO2. The resulting selectivity was dramatically influenced by the gold content. The reaction temperature...
    - 19-dic-2017

  4. Preface: Directionally solidified eutectic and advanced ceramics

    Ramírez-Rico, J.; Martínez-Fernández, Julián; Llorca-Martínez, F. Javier; Orera, V. M.; Sayir, Ali
    Peer Reviewed
    - 13-ene-2018

  5. Characterization of materials and conservation process of the collection of Arabic manuscript documents of granada archive histórico-provincial | Caracterización material y proceso de conservación de la colección de documentos árabes manuscritos del archivo histórico provincial de granada

    Espejo, T.; Lazarova Stoytcheva, I.; Campillo García, D.; Durán, Adrián; Jiménez de Haro, María del Carmen
    This paper presents the main conclusions of our study of the Arabic documents preserved in the Archivo Histórico Provincial of Granada. The analysis of the contents of each document, the materials and inks used in their support, and also the similarities of the page layout reveals the use of identical production protocols. Furthermore, this research also enables us to establish important similarities between the paper production processes in the latter stages of the Islamic rule in the Iberian Peninsula and the earlier stages of its incorporation in the Crown of Castilla - in particular in relation to how the archival...
    - 19-dic-2017

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