Stabilized Dye–Pigment Formulations with Platy and Tubular Nanoclays

  • Bàrbara Micó‐Vicent
    Department of Applied Statistics Operational Research, and Quality Universitat Politècnica de València (Campus d'Alcoi) Alicante CP 03801 Spain
  • Francisco M. Martínez‐Verdú
    Colour and Vision Department, University of Alicante Carretera San Vicente del Raspeig s/n San Vicente del Raspeig Alicante 03690 Spain
  • Andrei Novikov
    Department of Physical and Colloid Chemistry Gubkin Russian State University of Oil and Gas 65 Leninsky Prospekt Moscow 119991 Russia
  • Anna Stavitskaya
    Department of Physical and Colloid Chemistry Gubkin Russian State University of Oil and Gas 65 Leninsky Prospekt Moscow 119991 Russia
  • Vladimir Vinokurov
    Department of Physical and Colloid Chemistry Gubkin Russian State University of Oil and Gas 65 Leninsky Prospekt Moscow 119991 Russia
  • Elvira Rozhina
    Institute of Fundamental Medicine and Biology Kazan Federal University Kazan Republic of Tatarstan 420000 Russia
  • Rawil Fakhrullin
    Institute of Fundamental Medicine and Biology Kazan Federal University Kazan Republic of Tatarstan 420000 Russia
  • Raghuvara Yendluri
    Institute for Micromanufacturing Louisiana Tech University 911 Hergot Ave. Ruston LA 71272 USA
  • Yuri Lvov
    Department of Physical and Colloid Chemistry Gubkin Russian State University of Oil and Gas 65 Leninsky Prospekt Moscow 119991 Russia

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<jats:title>Abstract</jats:title><jats:p>Alumosilicate materials of different morphologies, such as platy and tubule nanoclays, may serve as an efficient, protective encasing for colored organic substances and nanoparticles. The adsorption of dyes onto the nanoclays increases their stability against thermal, oxidative, and acid–base‐induced decomposition. Natural organic dyes form stable composites with clays, thus allowing for “green” technology in production of industrial nanopigments. In the presence of high‐surface‐area alumosilicate materials, semiconductor nanoparticles known as quantum dots are stabilized against agglomeration during their colloid synthesis, resulting in safe colors. The highly dispersed nanoclays such as tubule halloysite can be employed as biocompatible carriers of quantum dots for the dual labeling of living human cells—both for dark‐field and fluorescence imaging. Therefore, complexation of dyes with nanoclays allows for new, stable, and inexpensive color formulations.</jats:p>

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