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(A) Bioink (no cells) showing a viscous mixture prior to crosslinking.
(B) Pre- (left) and post-crosslinked (right) hydrogel (sheet)
(C) Versatility of patterns being printed (ring: left and sheet: right)
(D) Double layered sheet printing feasibility (en-face: top and cross-section: bottom).
In B, C and D, yellow corresponds to RF and pink to RB being used. Scale bar in all images corresponds to 2 cm.
