...T. Y. Ng; Hua Li; Y. K. Yew; K. Y. Lam In this paper, we study the effects of initial fixed-charge density on the response behavior of pH-sensitive hydrogels subjected to coupled stimuli, namely, solution pH and externally applied electric field. This is the first instance in which a coupled...

... (1996, Biorheology, 33 , pp. 289–304) and Chen (1996, Ph.D. thesis, University of Wisconsin—Madison) has not been observed in other experiments using different protocols. Additional PTs were dehydrated and the rehydrated in solution at different pH levels. The magnitude of SGPs increased in basic...