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Photochemical and Chemical Two-Channel Control of Functional Nanogated Hybrid Architectures

Authors

  • E. Aznar,

    1. Instituto de Química Molecular Aplicada, Departamento de Química, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia (Spain)
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  • R. Casasús,

    1. Instituto de Química Molecular Aplicada, Departamento de Química, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia (Spain)
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  • B. García-Acosta,

    1. Instituto de Química Molecular Aplicada, Departamento de Química, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia (Spain)
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  • M. D. Marcos,

    1. Instituto de Química Molecular Aplicada, Departamento de Química, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia (Spain)
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  • R. Martínez-Máñez,

    1. Instituto de Química Molecular Aplicada, Departamento de Química, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia (Spain)
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  • F. Sancenón,

    1. Instituto de Química Molecular Aplicada, Departamento de Química, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia (Spain)
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  • J. Soto,

    1. Instituto de Química Molecular Aplicada, Departamento de Química, Universidad Politécnica de Valencia, Camino de Vera s/n, 46022 Valencia (Spain)
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  • P. Amorós

    1. Institut de Ciència del Materials (ICMUV), Universitat de València, P.O. Box 2085, 46071 Valencia (Spain)
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  • We thank the Ministerio de Ciencia y Tecnología (project CTQ2006-15456-C04-01) for support. E.A. thanks the Ministerio de Educación y Ciencia for a doctoral fellowship. B.G.A. thanks the Generalitat Valenciana for a doctoral fellowship. F.S. also thanks the Ministerio de Educación y Ciencia for a Ramón y Cajal contract.

Abstract

A two-channel switchable nanoscopic hybrid system, able to modulate mass transport by photoresponsive appended organic groups and the presence of G1.5 PAMAM dendrimers as molecular caps, is reported. This new functional gatelike ensemble is chemically (by pH changes) and photochemically (using visible light) controlled in pure aqueous solution, as demonstrated by an experiment involving the controlled release of a dye (see figure).

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