Microfluidic fabrication of photo-responsive hydrogel capsules

We report thermo- and photo-responsive hydrogel capsules, providing controlled encapsulation and triggered release of water-soluble encapsulants. Monodisperse O/W/O (oil-in-water-in-oil) double-emulsion drops are produced in a capillary microfluidic device as templates, which transform into hydrogel...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2013-01, Vol.49 (18), p.1865-1867
Hauptverfasser:	Kim, Bomi, Soo Lee, Hye, Kim, Jaeyun, Kim, Shin-Hyun
Format:	Artikel
Sprache:	eng
Schlagworte:	Capsules - chemistry Gold - chemistry Hydrogel, Polyethylene Glycol Dimethacrylate - chemistry Metal Nanoparticles - chemistry Microfluidic Analytical Techniques - instrumentation Particle Size Photochemical Processes Surface Properties Water - chemistry
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Beschreibung
Zusammenfassung:	We report thermo- and photo-responsive hydrogel capsules, providing controlled encapsulation and triggered release of water-soluble encapsulants. Monodisperse O/W/O (oil-in-water-in-oil) double-emulsion drops are produced in a capillary microfluidic device as templates, which transform into hydrogel capsules upon polymerization of thermo-sensitive monomers in the water phase containing gold nanorods.
ISSN:	1359-7345 1364-548X
DOI:	10.1039/c3cc37719a