Hydrogel logic gates using gradient semi-IPNs

被引:25
作者
Asoh, Taka-aki [1 ]
Akashi, Mitsuru [1 ]
机构
[1] Osaka Univ, Dept Appl Chem, Grad Sch Engn, Suita, Osaka 5650871, Japan
基金
日本学术振兴会;
关键词
VOLUME PHASE-TRANSITION; INTERPENETRATING POLYMER NETWORK; CRITICAL SOLUTION TEMPERATURE; LINEAR POLY(ACRYLIC ACID); POLY(N-ISOPROPYLACRYLAMIDE) HYDROGELS; SWELLING BEHAVIOR; SILICA PARTICLES; DRUG-RELEASE; GELS; PH;
D O I
10.1039/b905791a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Gradient semi-IPNs consisting of thermoresponsive hydrogels and graded pH-responsive linear polymers were fabricated via electrophoresis and subsequent polymerization; gradient semi-IPNs bent in response to both pH and temperature.
引用
收藏
页码:3548 / 3550
页数:3
相关论文
共 28 条
[1]   Diversification of nonionic amphiphilic poly(N-vinylacetamide) hydrogels by a double network approach [J].
Ajiro, Hiroharu ;
Watanabe, Junji ;
Akashi, Mitsuru .
CHEMISTRY LETTERS, 2007, 36 (09) :1134-1135
[2]   Interpenetrating Polymer Networks of Poly(N-vinylacetamide) and Poly(acrylic acid) Applied to Novel Amphiphilic Drug Release Substrates with Mechanically Modified Strengths [J].
Ajiro, Hiroharu ;
Takemoto, Yukie ;
Akashi, Mitsuru .
CHEMISTRY LETTERS, 2009, 38 (04) :368-369
[3]   Temperature-sensitive chitosan-poly(N-isopropylacrylamide) interpenetrated networks with enhanced loading capacity and controlled release properties [J].
Alvarez-Lorenzo, C ;
Concheiro, A ;
Dubovik, AS ;
Grinberg, NV ;
Burova, TV ;
Grinberg, VY .
JOURNAL OF CONTROLLED RELEASE, 2005, 102 (03) :629-641
[4]   Rapid deswelling of semi-IPNs with nanosized tracts in response to pH and temperature [J].
Asoh, T ;
Kaneko, T ;
Matsusaki, M ;
Akashi, M .
JOURNAL OF CONTROLLED RELEASE, 2006, 110 (02) :387-394
[5]   Fabrication of temperature-responsive bending hydrogels with a nanostructured gradient [J].
Asoh, Taka-aki ;
Matsusaki, Michiya ;
Kaneko, Tatsuo ;
Akashi, Mitsuru .
ADVANCED MATERIALS, 2008, 20 (11) :2080-+
[6]   Rapid and precise release from nano-tracted poly (N-isopropylacrylamide) hydrogels containing linear poly(acrylic acid) [J].
Asoh, Taka-aki ;
Kaneko, Tatsito ;
Matsusaki, Michiya ;
Akashi, Mitsuru .
MACROMOLECULAR BIOSCIENCE, 2006, 6 (11) :959-965
[7]   Functional hydrogel structures for autonomous flow control inside microfluidic channels [J].
Beebe, DJ ;
Moore, JS ;
Bauer, JM ;
Yu, Q ;
Liu, RH ;
Devadoss, C ;
Jo, BH .
NATURE, 2000, 404 (6778) :588-+
[8]   EFFECT OF COMONOMER HYDROPHILICITY AND IONIZATION ON THE LOWER CRITICAL SOLUTION TEMPERATURE OF N-ISOPROPYLACRYLAMIDE COPOLYMERS [J].
FEIL, H ;
BAE, YH ;
FEIJEN, J ;
KIM, SW .
MACROMOLECULES, 1993, 26 (10) :2496-2500
[9]   Double-network hydrogels with extremely high mechanical strength [J].
Gong, JP ;
Katsuyama, Y ;
Kurokawa, T ;
Osada, Y .
ADVANCED MATERIALS, 2003, 15 (14) :1155-+
[10]   HEPARIN RELEASE FROM THERMOSENSITIVE HYDROGELS [J].
GUTOWSKA, A ;
BAE, YH ;
FEIJEN, J ;
KIM, SW .
JOURNAL OF CONTROLLED RELEASE, 1992, 22 (02) :95-104