화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2014년 가을 (11/12 ~ 11/14, 엑스코(대구))
권호 18권 2호
발표분야 콜로이드계면화학-포스터
제목 Fabrication of Uniform Hydrogel Microparticles with Complex Polyelectrolyte/Silica Hybrid Thin Shells
초록 We introduced a practical method that allows to provide a mechanically robust hybrid polyelectrolyte/silica thin shell on the uniform hydrogel microparticles. Monodisperse hydrogel particles were fabricated by using the versatile microfluidic technique and consecutive photo-polymerization. Sodium 4-vinylbenzene sulfonate was incorporated to generate negative charges on the hydrogel surface. Then, we coated the hydrogel particles with polyelectrolyte layers by layer-by-layer deposition. Finally a thin silica layer was formed by reduction of silicate on the polyelectrolyte layer. It is expected that these complex hybrid particles have potentials for encapsulation of biomacromolecules and their controlled release.
저자 정은숙1, 이근주2, 김진웅1
소속 1한양대, 2롯데 중앙(연)
키워드 Microfluidics; Hydrogel microparticle; Polyelectrolyte; LbL deposition; Silicification
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