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  • Title: All-silica colloidosomes with a particle-bilayer shell.
    Author: Wang H, Zhu X, Tsarkova L, Pich A, Möller M.
    Journal: ACS Nano; 2011 May 24; 5(5):3937-42. PubMed ID: 21452888.
    Abstract:
    We report on the preparation of all-silica colloidosomes with adjustable size, shell structure, mechanical strength, and permeability. Our approach is based on the coassembly at the water/oil interface of silica nanoparticles and a silica precursor polymer-hyperbranched polyethoxysiloxane-which acts as a binder for particles as well as an additional interfacial component. Remarkably, the shell of colloidosomes can be fine-tuned from a particle monolayer up to a bilayer bound with a sandwiched thin silica film. This method presents a facile approach toward multiscale production of microcapsules which have a high potential in encapsulation technology and in smart coating formulations.
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