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. 2021 Mar 21;6(10):3461–3472. doi: 10.1016/j.bioactmat.2021.03.009

Fig. 4.

Fig. 4

The biocompatibility of PNA nanogels and membranes: (a) Cell viability of L929 cells treated with PNA nanogels for 2 d. (b) Cell proliferation of L929 cells cultured with PLLA and PNA-doped nanofibrous membranes for 1 d and 3 d. Data are represented as mean ± SD (n = 3).