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Preparation of stimuli-responsive nano-sized capsules based on cyclodextrin polymers with redox or light switching properties 被引量:3
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作者 Ewelina Wajs Thorbjorn T. Nielsen +1 位作者 kim l. larsen Alex Fragoso 《Nano Research》 SCIE EI CAS CSCD 2016年第7期2070-2078,共9页
We report the preparation and encapsulation properties of stimuli-responsive nanocapsules, self-assembled by the noncovalent interactions of cyclodextrin- appended polymers (host) and complementary ferrocene or azob... We report the preparation and encapsulation properties of stimuli-responsive nanocapsules, self-assembled by the noncovalent interactions of cyclodextrin- appended polymers (host) and complementary ferrocene or azobenzene carriers (guest). The encapsulation process was significantly accelerated by applying (electro) chemical or light stimulus, enabling the easier and faster diffusion of guest molecules through the polymer layers. The nanocapsules were characterized by dynamic light scattering, confocal microscopy, ESEM, AFM, W-visible and fluorescence spectroscopy, and electrochemical techniques. The encapsulation and release properties of the nanocapsules were reversible and could be repeated several times, indicating that the prepared nanoassemblies are very stable. 展开更多
关键词 NANOCAPSULE cyclodextrin ferrocene azobenzene stimuli-responsive materials encapsulation
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