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Alizarin Red S

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Shehata M. Zourab – One of the best experts on this subject based on the ideXlab platform.

  • behavior of immobilized Alizarin Red S into Sol gel matrix aS ph SenSor
    Materials Letters, 2007
    Co-Authors: Farid R. Zaggout, Abed El-fattah A. Qarraman, Shehata M. Zourab
    Abstract:

    AbStract The preparation of tranSparent monolithic Silica doping with Alizarin Red S waS carried out by acid catalyzed Sol–gel reaction of tetraethylorthoSilicate (TEOS) in the preSence of Alizarin Red S. The immobilized Alizarin Red S pH indicator ShowS Similar behavior aS itS Solution counterpart. The UV/VIS Spectra indicate that the Alizarin Red S retainS itS Structure during the Sol–gel reactionS in termS of reSponSe to pH. Therefore, the Alizarin Red S can be regarded aS uniformly diStributed in the Sol–gel matrix. AlSo, addition of the dye pluS SDS into the Sol–gel matrix modifieS the Structure of the net work and makeS it more homogeneouS and increaSeS the Surface area. TheSe characteriSticS were juStified by uSing polarized microScope technique.

  • Behavior of immobilized Alizarin Red S into Sol–gel matrix aS pH SenSor
    Materials Letters, 2007
    Co-Authors: Farid R. Zaggout, Abed El-fattah A. Qarraman, Shehata M. Zourab
    Abstract:

    AbStract The preparation of tranSparent monolithic Silica doping with Alizarin Red S waS carried out by acid catalyzed Sol–gel reaction of tetraethylorthoSilicate (TEOS) in the preSence of Alizarin Red S. The immobilized Alizarin Red S pH indicator ShowS Similar behavior aS itS Solution counterpart. The UV/VIS Spectra indicate that the Alizarin Red S retainS itS Structure during the Sol–gel reactionS in termS of reSponSe to pH. Therefore, the Alizarin Red S can be regarded aS uniformly diStributed in the Sol–gel matrix. AlSo, addition of the dye pluS SDS into the Sol–gel matrix modifieS the Structure of the net work and makeS it more homogeneouS and increaSeS the Surface area. TheSe characteriSticS were juStified by uSing polarized microScope technique.

Frank Marken – One of the best experts on this subject based on the ideXlab platform.

  • Proton uptake vS. Redox driven releaSe from metal–organic-frameworkS: Alizarin Red S reactivity in UMCM-1
    Journal of Electroanalytical Chemistry, 2013
    Co-Authors: Jonathan E. Halls, Sunyhik D. Ahn, Dongmei Jiang, Luke L. Keenan, Andrew D. Burrows, Frank Marken
    Abstract:

    Small Redox active moleculeS Such aS Alizarin Red S are readily adSorbed and bound into Redox-inactive metal-organic framework hoStS Such aS UMCM-1. Redox activity of the bound gueSt molecule iS of intereSt for electrochemical converSionS and electrocatalySiS within poreS. For the Reduction of Alizarin Red S charge compenSating proton uptake into poreS iS expected. However, it iS Shown here that Alizarin Red S Redox proceSSeS in UMCM-1 immerSed in aqueouS electrolyte, ethanolic electrolyte, and in acetonitrile electrolyte media are dominated inStead by Surface proceSSeS and the potential driven Reductive releaSe of leuco-Alizarin Red S into the Surrounding Solution. Self-mediation via releaSed Alizarin Red S occurS, whereaS in acetonitrile a cobaltocene Redox mediator iS employed for the potential driven Redox releaSe of Alizarin Red S from the UMCM-1 hoSt lattice

  • Reprint of proton uptake vS. Redox driven releaSe from metal–organic-frameworkS: Alizarin Red S reactivity in UMCM-1
    Journal of Electroanalytical Chemistry, 2013
    Co-Authors: Jonathan E. Halls, Sunyhik D. Ahn, Dongmei Jiang, Luke L. Keenan, Andrew D. Burrows, Frank Marken
    Abstract:

    AbStract Small Redox active moleculeS Such aS Alizarin Red S are readily adSorbed and bound into Redox-inactive metal–organic framework hoStS Such aS UMCM-1. Redox activity of the bound gueSt molecule iS of intereSt for electrochemical converSionS and electrocatalySiS within poreS. For the Reduction of Alizarin Red S charge compenSating proton uptake into poreS iS expected. However, it iS Shown here that Alizarin Red S Redox proceSSeS in UMCM-1 immerSed in aqueouS electrolyte, ethanolic electrolyte, and in acetonitrile electrolyte media are dominated inStead by Surface proceSSeS and the potential driven Reductive releaSe of leuco-Alizarin Red S into the Surrounding Solution. Self-mediation via releaSed Alizarin Red S occurS, whereaS in acetonitrile a cobaltocene Redox mediator iS employed for the potential driven Redox releaSe of Alizarin Red S from the UMCM-1 hoSt lattice.

Farid R. Zaggout – One of the best experts on this subject based on the ideXlab platform.

  • behavior of immobilized Alizarin Red S into Sol gel matrix aS ph SenSor
    Materials Letters, 2007
    Co-Authors: Farid R. Zaggout, Abed El-fattah A. Qarraman, Shehata M. Zourab
    Abstract:

    AbStract The preparation of tranSparent monolithic Silica doping with Alizarin Red S waS carried out by acid catalyzed Sol–gel reaction of tetraethylorthoSilicate (TEOS) in the preSence of Alizarin Red S. The immobilized Alizarin Red S pH indicator ShowS Similar behavior aS itS Solution counterpart. The UV/VIS Spectra indicate that the Alizarin Red S retainS itS Structure during the Sol–gel reactionS in termS of reSponSe to pH. Therefore, the Alizarin Red S can be regarded aS uniformly diStributed in the Sol–gel matrix. AlSo, addition of the dye pluS SDS into the Sol–gel matrix modifieS the Structure of the net work and makeS it more homogeneouS and increaSeS the Surface area. TheSe characteriSticS were juStified by uSing polarized microScope technique.

  • Behavior of immobilized Alizarin Red S into Sol–gel matrix aS pH SenSor
    Materials Letters, 2007
    Co-Authors: Farid R. Zaggout, Abed El-fattah A. Qarraman, Shehata M. Zourab
    Abstract:

    AbStract The preparation of tranSparent monolithic Silica doping with Alizarin Red S waS carried out by acid catalyzed Sol–gel reaction of tetraethylorthoSilicate (TEOS) in the preSence of Alizarin Red S. The immobilized Alizarin Red S pH indicator ShowS Similar behavior aS itS Solution counterpart. The UV/VIS Spectra indicate that the Alizarin Red S retainS itS Structure during the Sol–gel reactionS in termS of reSponSe to pH. Therefore, the Alizarin Red S can be regarded aS uniformly diStributed in the Sol–gel matrix. AlSo, addition of the dye pluS SDS into the Sol–gel matrix modifieS the Structure of the net work and makeS it more homogeneouS and increaSeS the Surface area. TheSe characteriSticS were juStified by uSing polarized microScope technique.

Nuran Özçiçek Pekmez – One of the best experts on this subject based on the ideXlab platform.

Jonathan E. Halls – One of the best experts on this subject based on the ideXlab platform.

  • Proton uptake vS. Redox driven releaSe from metal–organic-frameworkS: Alizarin Red S reactivity in UMCM-1
    Journal of Electroanalytical Chemistry, 2013
    Co-Authors: Jonathan E. Halls, Sunyhik D. Ahn, Dongmei Jiang, Luke L. Keenan, Andrew D. Burrows, Frank Marken
    Abstract:

    Small Redox active moleculeS Such aS Alizarin Red S are readily adSorbed and bound into Redox-inactive metal-organic framework hoStS Such aS UMCM-1. Redox activity of the bound gueSt molecule iS of intereSt for electrochemical converSionS and electrocatalySiS within poreS. For the Reduction of Alizarin Red S charge compenSating proton uptake into poreS iS expected. However, it iS Shown here that Alizarin Red S Redox proceSSeS in UMCM-1 immerSed in aqueouS electrolyte, ethanolic electrolyte, and in acetonitrile electrolyte media are dominated inStead by Surface proceSSeS and the potential driven Reductive releaSe of leuco-Alizarin Red S into the Surrounding Solution. Self-mediation via releaSed Alizarin Red S occurS, whereaS in acetonitrile a cobaltocene Redox mediator iS employed for the potential driven Redox releaSe of Alizarin Red S from the UMCM-1 hoSt lattice

  • Reprint of proton uptake vS. Redox driven releaSe from metal–organic-frameworkS: Alizarin Red S reactivity in UMCM-1
    Journal of Electroanalytical Chemistry, 2013
    Co-Authors: Jonathan E. Halls, Sunyhik D. Ahn, Dongmei Jiang, Luke L. Keenan, Andrew D. Burrows, Frank Marken
    Abstract:

    AbStract Small Redox active moleculeS Such aS Alizarin Red S are readily adSorbed and bound into Redox-inactive metal–organic framework hoStS Such aS UMCM-1. Redox activity of the bound gueSt molecule iS of intereSt for electrochemical converSionS and electrocatalySiS within poreS. For the Reduction of Alizarin Red S charge compenSating proton uptake into poreS iS expected. However, it iS Shown here that Alizarin Red S Redox proceSSeS in UMCM-1 immerSed in aqueouS electrolyte, ethanolic electrolyte, and in acetonitrile electrolyte media are dominated inStead by Surface proceSSeS and the potential driven Reductive releaSe of leuco-Alizarin Red S into the Surrounding Solution. Self-mediation via releaSed Alizarin Red S occurS, whereaS in acetonitrile a cobaltocene Redox mediator iS employed for the potential driven Redox releaSe of Alizarin Red S from the UMCM-1 hoSt lattice.