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Dual-responsive colloidal microcapsules based on host-guest interaction on solid templates

Dual-responsive colloidal microcapsules based on host-guest interaction on solid templates

Journal of Colloid and Interface Science 475: 196-202

Colloidal microcapsules (MCs) have received considerable attention in the fields of microencapsulation, drug delivery as well as microreactors due to their unique nanoparticles-composed structure. In this study, dual-responsive colloidal MCs based on host-guest interaction were successfully fabricated via a layer-by-layer assembly method on sacrificial solid templates. Ferrocene-modified polyethylenimine (PEI-Fc) and cyclodextrin-modified polystyrene nanoparticles (PS-CD NPs) were used as building blocks for assembly. The colloidal MCs could be disassembled into nano-components upon addition of competitive adamantane (Ad) molecules or in the solution with a pH lower than 4.

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Accession: 057667638

Download citation: RISBibTeXText

PMID: 27175830

DOI: 10.1016/j.jcis.2016.04.050

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