Fig. 6From: Preparation of bilayer tissue-engineered polyurethane/poly-L-lactic acid nerve conduits and their in vitro characterization for use in peripheral nerve regenerationSwelling ratios of the PLA, PU, PU/MWCNT, and PLA/PU/MWCNT nanofibrous scaffolds after 48 hours of incubation at 37 °C with PBS (pH 7.4). Data are presented as mean SD, n = 3 (***p < 0.001, **p < 0.01, *p < 0.05)Back to article page