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  1. No Access

    Article

    Isoflavone aglycons-sulfobutyl ether-β-cyclodextrin inclusion complexes: in solution and solid state studies

    The effect of a polyanionic variably substituted sulfobutyl ether-β-cyclodextrin (SBE-β-CyD), complexation on the UV absorption of genistein (Gen) and daidzein (Dai) was studied in pure water. A phase solubili...

    Rosanna Stancanelli, Valentina Venuti in Journal of Inclusion Phenomena and Macrocy… (2015)

  2. No Access

    Article

    Gel-sol evolution of cyclodextrin-based nanosponges: role of the macrocycle size

    The effect of the macrocycle size on the gel-to-sol evolution of cyclodextrin-based hydrogel is here investigated by using Fourier transform infrared absorption in attenuated total reflectance geometry (FTIR-A...

    F. Castiglione, V. Crupi, D. Majolino in Journal of Inclusion Phenomena and Macrocy… (2014)

  3. No Access

    Article

    Hydrogen-bond dynamics of water confined in cyclodextrin nanosponges hydrogel

    Cyclodextrin nanosponges (CDNS) are a very promising class of cross-linked polymers, made up of cyclodextrins. CDNS swollen in aqueous solution give rise to cyclodextrin-based hydrogel in different states—gel ...

    V. Crupi, A. Fontana, D. Majolino, A. Mele in Journal of Inclusion Phenomena and Macrocy… (2014)

  4. No Access

    Article

    Phase solubility and FTIR-ATR studies of idebenone/sulfobutyl ether β-cyclodextrin inclusion complex

    The favourable accessibility offered by sulfobutyl ether β-cyclodextrin (SBE-β-CD) for the complexation with idebenone (IDE) has been probed, as a function of temperature, in liquid state, by phase solubility ...

    C. Cannavà, V. Crupi, M. Guardo, D. Majolino in Journal of Inclusion Phenomena and Macrocy… (2013)

  5. No Access

    Article

    Vibrational dynamics and hydrogen bond properties of β-CD nanosponges: an FTIR-ATR, Raman and solid-state NMR spectroscopic study

    Cyclodextrin nanosponges (CDNS) are cross-linked polymers with remarkable inclusion/release properties. CDNS show swelling capability and a hydrophilicity/hydrophobicity balance that can be dramatically modifi...

    F. Castiglione, V. Crupi, D. Majolino in Journal of Inclusion Phenomena and Macrocy… (2013)

  6. No Access

    Article

    Non-destructive identification of green and yellow pigments: the case of some Sicilian Renaissance glazed pottery

    Selected decorated Renaissance ceramic fragments, found during the excavation of a Sicilian archaeological site (Caltagirone, Sicily, South Italy), have been studied by combining scanning electron microscopy (...

    V. Crupi, D. Majolino, V. Venuti, G. Barone, P. Mazzoleni, A. Pezzino in Applied Physics A (2010)

  7. No Access

    Article

    Characterization of blue decorated Renaissance pottery fragments from Caltagirone (Sicily, Italy)

    Renaissance blue decorated pottery fragments from the archaeological site of Caltagirone (Sicily, Italy) were analysed by scanning electron microscopy – energy dispersive X-ray spectrometry (SEM/EDS). The samp...

    D. Barilaro, V. Crupi, S. Interdonato, D. Majolino, V. Venuti in Applied Physics A (2008)

  8. No Access

    Article

    Characterisation and differentiation of pigments employed on the façade of “Noto’s Valley” monuments (Sicily)

    Most of the “Noto’s Valley” monuments façades, located in different towns of Sicily such as Ragusa Ibla, Modica and Noto, present different colours and in many cases the towns themselves are characterized by e...

    M.F. La Russa, G. Barone, P. Mazzoleni, A. Pezzino, V. Crupi in Applied Physics A (2008)

  9. No Access

    Article

    Raman spectroscopy: Probing dynamics of water molecules confined in nanoporous silica glasses

    In order to explore the influence of nanoscopic confinement on the vibrational properties of H-bonded liquids, we performed a detailed Raman scattering study, as a function of temperature, on water confined in...

    V. Crupi, F. Longo, D. Majolino, V. Venuti in The European Physical Journal Special Topics (2007)

  10. No Access

    Article

    A FT-IR absorption analysis of vibrational properties of water encaged in NaA zeolites: evidence of a “structure maker” role of zeolitic surface

    We performed, in the O-H stretching region, Fourier-transform Infrared (FT-IR) Absorption measurements for investigating the vibrational dynamics on water confined in NaA zeolite, vs. temperature and for differen...

    V. Crupi, D. Majolino, P. Migliardo, V. Venuti in The European Physical Journal E (2003)

  11. No Access

    Chapter and Conference Paper

    Spectroscopic Techniques for The Investigation of Sicilian Cultural Heritage: Two Different Applications

    The present work shows the application of different spectroscopic techniques, already widely tested and daily used in the research on molecular structure, to the study of problems of artistic and archaeologica...

    S. Galli, G. Barone, V. Crupi, D. Majolino in Molecular and Structural Archaeology: Cosm… (2003)

  12. No Access

    Article

    Low-frequency dynamical response of confined water in normal and supercooled regions obtained by IINS

    We analyzed incoherent inelastic neutron scattering spectra of water confined in a nanoporous Gelsil matrix, with very small pore diameter (26 Å). The study is addressed to the evolution of the one-phonon ampl...

    V. Crupi, D. Majolino, P. Migliardo, V. Venuti, A.J. Dianoux in Applied Physics A (2002)

  13. No Access

    Article

    Nature of depolarized quasi-elastic light scattering in associated and non-associated liquids

    An analysis of Rayleigh-wing spectra on two isomers of propanol (C3H7OH) and on two of their Br-based isomorphous systems (C3H7Br) is presented. The performed measurements, over a wide temperature range, allow us...

    V. Crupi, M. P. Jannelli, S. Magazù, G. Maisano, D. Majolino in Il Nuovo Cimento D (1994)

  14. No Access

    Article

    Neutron scattering and compressibility measurements for the study of hydration effects on polymeric aqueous solutions

    The present paper reports the results of compressibility and incoherent quasi-elastic neutron scattering measurements performed on polymeric systems and on their aqueous solutions. From the compressibility dat...

    V. Crupi, M. P. Jannelli, S. Magazù, G. Maisano, D. Majolino in Il Nuovo Cimento D (1994)

  15. No Access

    Chapter and Conference Paper

    Dynamics of water in nonionic amphiphile systems: raman scattering

    The structure of water in aqueous solutions of polyoxyethylene nonionic amphiphiles C10E5 is studied by Raman scattering along an isothermal path crossing the isotropic one-phase region from 0 to 1 amphiphile vol...

    D. Majolino, F. Mallamace, N. Micali in Trends in Colloid and Interface Science VII (1993)

  16. No Access

    Chapter and Conference Paper

    Evidence by light scattering of long-range structures connected with the percolation transition in water-decane-AOT microemulsions

    We report extensive light-scattering measurements (elastic, quasielastic, and Brillouin) performed in dense micellar or microemulsion systems. The overall analysis of the data, in terms of a static effective-m...

    D. Lombardo, F. Mallamace, D. Majolino in Trends in Colloid and Interface Science VI (1992)

  17. No Access

    Chapter and Conference Paper

    Dynamical properties of lecithin-based microemulsions

    Lecithin/isooctane/water gel is investigated by means of different experimental techniques, namely, depolarized light scattering, ultrasonic and dielectric measurements. Pure isooctane and lecithin/isooctane s...

    F. Aliotta, M. E. Fontanella, S. Magazú in Trends in Colloid and Interface Science VI (1992)

  18. No Access

    Article

    EXAFS and Raman studies of ion-ion and ion-water interactions in strong II-I electrolytic solutions

    EXAFS and Raman scattering data in ZnCl2 aqueous solutions and in their mixture with LiCl, CaCl2 and SrCl2 are presented. The measurements, carried out at the PULS facility on the Zn and CaK-edges, allow us to de...

    G. Galli, S. Magazú, D. Majolino, P. Migliardo in Il Nuovo Cimento D (1990)

  19. No Access

    Article

    Study of the glass transition region in amorphous selenium by EXAFS

    EXAFS spectra of amorphous bulk selenium and Se80Te20 alloy have been analysed in the temperature range of the glass transition region (−15 to 37°C). α-Se shows an unexpected behaviour because the modulated part ...

    M. Federico, G. Galli, S. Magazù, D. Majolino, E. Burattini in Il Nuovo Cimento D (1988)

  20. No Access

    Article

    Local coordination and dynamics in liquid antimony trichloride/water mixture

    EXAFS Rayleigh wing and Raman-scattering data in SbCl3/H2O mixture are presented. The measurements, carried out at the PULS facility on the ClK-edge and on theL I, II, III-edges as a function of t...

    G. Galli, S. Magazù, P. Migliardo, F. Aliotta, D. Majolino, C. Vasi in Il Nuovo Cimento D (1987)