1 Ocak 2012 Dergi makalesi Açık Erişim

Idrees, Muhammad; Silva, Marcelo; Silva, Alessandra F.; Zimmermann, Lizandra M.; Bruch, Jociane; Mendonca, Caio O.; Almerindo, Gizelle I.; Nome, Rene A.; Atvars, Teresa D. Z.; Fiedler, Haidi D.; Nome, Faruk

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        "affiliation": "Univ Fed Santa Catarina, Dept Quim, Natl Inst Sci & Technol Catalysis, BR-88040900 Florianopolis, SC, Brazil", 
        "name": "Idrees, Muhammad"
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        "affiliation": "Univ Fed Santa Catarina, Dept Quim, Natl Inst Sci & Technol Catalysis, BR-88040900 Florianopolis, SC, Brazil", 
        "name": "Silva, Marcelo"
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        "affiliation": "Univ Fed Santa Catarina, Dept Quim, Natl Inst Sci & Technol Catalysis, BR-88040900 Florianopolis, SC, Brazil", 
        "name": "Silva, Alessandra F."
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        "affiliation": "Univ Fed Santa Catarina, Dept Quim, Natl Inst Sci & Technol Catalysis, BR-88040900 Florianopolis, SC, Brazil", 
        "name": "Zimmermann, Lizandra M."
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        "affiliation": "Univ Fed Santa Catarina, Dept Quim, Natl Inst Sci & Technol Catalysis, BR-88040900 Florianopolis, SC, Brazil", 
        "name": "Bruch, Jociane"
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      {
        "affiliation": "Univ Fed Santa Catarina, Dept Quim, Natl Inst Sci & Technol Catalysis, BR-88040900 Florianopolis, SC, Brazil", 
        "name": "Mendonca, Caio O."
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        "affiliation": "Univ Fed Santa Catarina, Dept Quim, Natl Inst Sci & Technol Catalysis, BR-88040900 Florianopolis, SC, Brazil", 
        "name": "Almerindo, Gizelle I."
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      {
        "affiliation": "Univ Estadual Campinas, Inst Chem, BR-13084824 Campinas, SP, Brazil", 
        "name": "Nome, Rene A."
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      {
        "affiliation": "Univ Estadual Campinas, Inst Chem, BR-13084824 Campinas, SP, Brazil", 
        "name": "Atvars, Teresa D. Z."
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      {
        "affiliation": "Univ Fed Santa Catarina, Dept Quim, Natl Inst Sci & Technol Catalysis, BR-88040900 Florianopolis, SC, Brazil", 
        "name": "Fiedler, Haidi D."
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        "affiliation": "Univ Fed Santa Catarina, Dept Quim, Natl Inst Sci & Technol Catalysis, BR-88040900 Florianopolis, SC, Brazil", 
        "name": "Nome, Faruk"
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    "description": "Chemical composition and species distribution in clay surfaces are key factors which control sorption and desorption processes of Cr3+ between sediment and water. Adsorption of Cr3+ on silica gel has been studied by following the quenching of naphthalene fluorescence in aqueous sodium dodecyl sulfate (SDS) micelles, which concentrate naphthalene and Cr3+ in the micellar surface. Adsorption for pH <= 5 follows a Langmuir model, and experimental data fitting is successfully described by a model based on discrete sites on the surface with variable charge as a function of pH. Probably the mechanism of Cr3+ adsorption at the silica gel surface is predominantly electrostatic, with outer-sphere complexation and ion exchange with adsorbed H+ ions. Confocal laser-scanning fluorescence microscopy measurements reveal the Cr3+ spatial distribution in three dimensions. Specifically, both images and spectra measured with confocal microscopy indicate that Cr3+ is distributed across the entire particle, not just adsorption at the surface.", 
    "doi": "10.1021/jp2089164", 
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    "journal": {
      "issue": "5", 
      "pages": "3517-3523", 
      "title": "JOURNAL OF PHYSICAL CHEMISTRY C", 
      "volume": "116"
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    "publication_date": "2012-01-01", 
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    "title": "Interaction of Cr3+ with Silica Gel at the Aqueous Interface Using Fluorescence in Sodium Dodecyl Sulfate Micelles and Confocal Fluorescence Microscopy"
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