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Mixing of plasma-alg-mc biomaterial ink with green fluorescent protein dissolved in cell culture medium using “Tube” and “Screw-like v2” mixer unit; (a,c): fluorescence microscopic images of both syringes before mixing (c = 0) and after several mixing steps (c = 1–9). (b,d): normalized intensity graphs for “Tube” and “Screw-like v2” mixing unit as measured over the entire cartridge length. Scale bars: 15 mm.
