Fig. 7From: Nanodiamond enhanced mechanical and biological properties of extrudable gelatin hydrogel cross-linked with tannic acid and ferrous sulphateLive/dead stained images of different nanocomposite hydrogels in Day 1, 2 and 3 MC3T3 (passage 13) cells, (a) Gel-ND 0, (b) Gel-ND 1, (c) Gel-ND 2, (d) Gel-ND 3, (e) Gel-ND 4. (Scale bar 250 µm)Back to article page