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Schematic of (a) chemically crosslinking SMA with OPF to form a polymer network with negative charges; (b) physical incorporation of SMA into the crosslinked OPF polymer network; (c) effect of chemically crosslinking SMA molecules on swelling kinetics of OPF2k scaffolds; (d) effect of adsorbed SMA molecules on swelling kinetics of the OPF2k scaffolds. SMA, sodium methacrylate. Color images available online at www.liebertpub.com/tea
