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http://dx.doi.org/10.9718/JBER.2007.28.3.344

Effect of Water State in Electroactive Chitosan/Poly (Diallyldimethylammonium Chloride) Hydrogels on Bending Behavior at Various pH Conditions  

Yoon, Seong-Gil (Creative Research Center for Bio-artificial Muscle, Hanyang University)
Kim, Seon-Jeong (Creative Research Center for Bio-artificial Muscle, Hanyang University)
Kim, In-Young (Division of Electrical, control, biomedical engineering, Hanyang University)
Kim, Sun-I. (Division of Electrical, control, biomedical engineering, Hanyang University)
Publication Information
Journal of Biomedical Engineering Research / v.28, no.3, 2007 , pp. 344-347 More about this Journal
Abstract
A interpenetrating polymer network (IPN) hydrogel, composed of chitosan (CS) and poly(diallydimethylammonium chloride) (PDADMAC) was prepared, which exhibited electrical sensitive behavior. The swelling behavior of the CS/PDADMAC SIPN hydrogel was studied by immersion of the gel into various pH buffer solutions, and their stimuli response in electric fields also investigated. In order to clarify the relationship between the equilibrium swelling ratio and bending behavior of the SIPN hydrogels, the state of water in the SIPN hydrogel was also investigated using differential scanning calorimetry (DSC).
Keywords
interpenetrating polymer network; electro-sensitive polymers; state of water;
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