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  • Title: Well-defined thermo-responsive polymeric nanocapsules by a one-pot method via surface-initiated atom transfer radical copolymerisation.
    Author: Du P, Mu B, Shen R, Liu P.
    Journal: IET Nanobiotechnol; 2010 Sep; 4(3):72-6. PubMed ID: 20726673.
    Abstract:
    The well-defined thermo-responsive polymeric nanocapsules were prepared by the one-pot approach via the surface-initiated atom transfer radical copolymerisation of N-isopropyl acrylamide (NIPAM) and N, N-methylenebisacylamide (MBA) from the silica nanoparticle templates after the silica templates were removed by hydrofluoric acid (HF). The diameter of the polymeric nanocapsules is in the range of 20-40 nm, characterised by transmission electron microscopy (TEM). The temperature-induced dimensional change of the thermo-responsive polymeric nanocapsules was investigated by dynamic light scattering (DLS) in aqueous solutions. The intelligent thermo-responsive polymeric nanocapsules are expected to be used for the controlled release of sensitive molecules, such as enzymes, proteins or DNA, by changing the environmental temperature.
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