Materials:Vecollan® (250–600 mg/mL), DMTMM cross-linker, sterile H₂O, mScarlet3 (1.14 mg/mL), bioink cartridge + nozzle (27G).
Preparation:The components are mixed in defined ratios and loaded into the cartridge. Typical mix: ~50 μL Vecollan, ~10 μL DMTMM, H₂O, and mScarlet3.
Printing:Printed at low pressure (5–10 kPa) in a grid pattern (e.g. 10×10×2 mm). Temperature: ~10–15 °C for cartridge, ambient for printbed.
Post-processing:Printed gels are left to stabilize, optionally UV-sterilized, and stored in PBS or culture media at 4 °C.