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논문 기본 정보

자료유형
동향자료
저자정보
Jung, Gowun (Department of Fine Chemical Engineering and Applied Chemistry, BK21-E2M, Chungnam National University) Yun, Jumi (Department of Fine Chemical Engineering and Applied Chemistry, BK21-E2M, Chungnam National University) Kim, Hyung-Il (Department of Fine Chemical Engineering and Applied Chemistry, BK21-E2M, Chungnam National University)
저널정보
한국탄소학회 Carbon letters Carbon letters 제13권 제3호
발행연도
2012.1
수록면
173 - 177 (5page)

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A drug delivery system (DDS) was prepared with a temperature and pH-responsive hydrogel. Poly(vinyl alcohol) (PVA)/poly(acrylic acid) (PAAc)/poly(N-isopropylacrylamide) (PNIPAAm)/multi-walled carbon nanotube (MWCNT) nanocomposites were prepared by radical polymerization for the temperature and pH-responsive hydrogels. MWCNTs were employed to improve both the thermal conductivity and mechanical properties of the PVA/PAAc/PNIPAAm/MWCNT nanocomposite hydrogels. Various amounts of MWCNTs (0, 0.5, 1 and 3 wt%) were added to the nanocomposite hydrogels. PVA/PAAc/PNIPAAm/MWCNT nanocomposite hydrogels were characterized with a scanning electron microscope. The mechanical properties were measured with a universal testing machine. Swelling and releasing properties of nanocomposite hydrogels were investigated at various temperatures and pHs. Temperature and pH-responsive release behavior was found to be dependent on the content of MWCNTs in nanocomposite hydrogels.

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