Search Results - "De Faria, L.A."

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    Determination of the morphology factor of oxide layers by Da Silva, L.M, De Faria, L.A, Boodts, J.F.C

    Published in Electrochimica acta (31-10-2001)
    “…From the linear dependencies of the voltammetric capacitive current, i c, with the potential sweep rates, ν, observed in the low and high domains, it is…”
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    Journal Article
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    Molecular modeling and UV–vis spectroscopic studies on the mechanism of action of reversed chloroquine (RCQ) by Otelo, Vanessa A., Sant’Ana, Antonio C., de Faria, Dalva L.A., Menezes, Carla M.S.

    Published in Bioorganic & medicinal chemistry letters (01-01-2011)
    “…Molecular modeling and ultraviolet–visible spectroscopy (UV–vis) studies strongly suggest that the interaction between RCQ and heme is predominant through the…”
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    Journal Article
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    Hematite colour revisited: Particle size and electronic transitions by dos Santos, Isabela F.S., Edwards, Howell G.M., de Faria, Dalva L.A.

    “…[Display omitted] •The bluish hue of some hematites was ascribed to particle size in the literature.•It was not clear however how the light absorption was…”
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    Journal Article
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    Heated goethite and natural hematite: Can Raman spectroscopy be used to differentiate them? by de Faria, D.L.A., Lopes, F.N.

    Published in Vibrational spectroscopy (20-11-2007)
    “…Minerals have been used as pigments for thousands of years. Red and yellow pigments are generally associated with iron oxides or, specifically, hematite (α-Fe…”
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    Journal Article
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    Surface, kinetics and electrocatalytic properties of Ti/(IrO 2 + Ta 2O 5) electrodes, prepared using controlled cooling rate, for ozone production by Da Silva, Leonardo M., Franco, Débora V., De Faria, Luiz A., Boodts, Julien F.C.

    Published in Electrochimica acta (15-09-2004)
    “…Ti-supported IrO 2 + Ta 2O 5 electrodes, prepared at 550 °C using a controlled cooling rate of 2 °C min −1, were characterised by open-circuit potential ( E…”
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    Journal Article Conference Proceeding
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    Probing the Indigo Molecule in Maya Blue Simulants with Resonance Raman Spectroscopy by Bernardino, N. D, Constantino, V. R. L, de Faria, D. L. A

    Published in Journal of physical chemistry. C (31-05-2018)
    “…Maya blue (MB) simulants were prepared from mixtures of indigo and palygorskite (ind–paly) and investigated by resonance Raman and UV–vis absorption…”
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    Journal Article
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    Technical Note: Fake turquoises investigated by Raman microscopy by Bernardino, Nathália D’Elboux, Izumi, Celly M.S, Faria, Dalva L.A. de

    Published in Forensic science international (2016)
    “…Highlights • Turquoise simulants were analyzed using Raman microscopy. • Minerals, binders and dyes were characterized. • Treated turquoise is an expression…”
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    Journal Article
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    Time-Resolved Spectroscopy of Indigo and of a Maya Blue Simulant by Bernardino, N. D, Brown-Xu, S, Gustafson, T. L, de Faria, D. L. A

    Published in Journal of physical chemistry. C (29-09-2016)
    “…Maya Blue is a puzzling pigment found in objects produced by the ancient Maya civilization. It is a combination of indigo and palygorskite, and it is…”
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    Journal Article
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    Non‐invasive and non‐destructive Raman spectroscopic characterization of some Brazilian ethnographic resins by Faria, Dalva L. A., Maier, Marta S., Parera, Sara D., Afonso, Marisa C., Lima, Silvia C., Edwards, Howell G. M.

    Published in Journal of Raman spectroscopy (01-12-2021)
    “…The chemical investigation of museum collection items can provide key information on the provenance and technical aspects involved in their production and,…”
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    Journal Article
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    A multi-analytical investigation of the materials and painting technique of a wall painting from the church of Copacabana de Andamarca (Bolivia) by Tomasini, Eugenia, Rodríguez, Diana Castellanos, Gómez, Blanca A., de Faria, Dalva L.A., Landa, Carlos Rúa, Siracusano, Gabriela, Maier, Marta S.

    Published in Microchemical journal (01-09-2016)
    “…The Andean church of Our Lady of Copacabana de Andamarca in Bolivia was built in 1723. Its walls are made of adobe bricks and are decorated with paintings…”
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    Journal Article
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    Raman microspectroscopy of some iron oxides and oxyhydroxides by de Faria, D. L. A., Venâncio Silva, S., de Oliveira, M. T.

    Published in Journal of Raman spectroscopy (01-11-1997)
    “…Hematite (α‐Fe2O3), magnetite (Fe3O4), wüstite (FeO), maghemite (γ‐Fe2O3), goethite (α‐FeOOH), lepidocrocite (γ‐FeOOH) and δ‐FeOOH were studied by Raman…”
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    Journal Article
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    Accessing the chemical profile of ecstasy tablets seized in São Paulo (Brazil) by FT-Raman Spectroscopy by Moreira, Rodrigo V., da Costa, José L., Menezes, Mauro R., de Faria, Dalva L.A.

    Published in Vibrational spectroscopy (01-11-2016)
    “…FT-Raman spectroscopy was used in the chemical analysis of ecstasy tablets seized in the State of São Paulo (Brazil) and GC–MS was used as confirmatory…”
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    Journal Article
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    The Sibyls from the church of San Pedro Telmo: a micro-Raman spectroscopic investigation by Marte, Fernando, Careaga, Valeria P., Mastrangelo, Noemí, de Faria, Dalva L. A., Maier, Marta S.

    Published in Journal of Raman spectroscopy (01-11-2014)
    “…The series of the Sibyls from the church of San Pedro Telmo is one of the most important groups of paintings of Argentine colonial art. Ten of the paintings…”
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    Journal Article
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    Probing the chemical reactivity of interfaces: Investigation on the interaction of dehydroindigo with Laponite by UV–vis, Raman and infrared spectroscopy by Bernardino, Nathália D., Constantino, Vera R.L., de Faria, Dalva L.A.

    Published in Vibrational spectroscopy (01-01-2018)
    “…In this work, the interaction between dehydroindigo (an intermediary oxidized form of indigo) and Laponite clay was investigated. Dehydroindigo (DHI) has been…”
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    Journal Article
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    Fake turquoises investigated by Raman microscopy by Bernardino, Nathália D’Elboux, Izumi, Celly M.S., de Faria, Dalva L.A.

    Published in Forensic science international (01-05-2016)
    “…•Turquoise simulants were analyzed using Raman microscopy.•Minerals, binders and dyes were characterized.•Treated turquoise is an expression used even when…”
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    Journal Article
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    Modified drug release system based on Sulindac and layered double hydroxide: An in vivo Raman investigation by Gil, Otávio M., Rocha, Michele A., Constantino, Vera R.L., Koh, Ivan H.J., de Faria, Dalva L.A.

    Published in Vibrational spectroscopy (01-11-2016)
    “…In this study, the capability of a Layered Double Hydroxide (LDH) to promote the modified-release of Sulindac (Sul), a non-steroid anti-inflammatory drug, was…”
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    Journal Article