Custom gelatin methacryloyl bioink

GelMA Ultra

Thermal and light-responsive formulations with tunable methacryloylation and mechanics.

Detailed specifications
CompositionGelatin methacryloyl; porcine, bovine or fish gelatin options
Degree of methacryloylationGelMA Ultra: 96–97%; Ultra_LOW: 30–40%; lower degrees available on demand
Reported formulation5% w/v for representative tissue-relevant stiffness and cell-culture results
Extrusion temperature20–30 °C
Extrusion pressure20–50 kPa
NozzlesG22–G27
Photocrosslinking365 nm UV or 405/525 nm visible light with suitable type I or type II photoinitiators
Reported mechanical result8.70 ± 0.12 kPa at 5% w/v
Reported fluid stabilityUp to 21 days for 15% w/v formulations
Ready-to-use formatSterile 3 and 5 mL cartridges; compatibility with the selected bioprinter to be confirmed
Other formatsPowder for custom formulations; custom formats on request
Catalogue evidence

Reported properties & results

  • Reported photopolymerization plateau in approximately 40 seconds
  • Reported viable cell populations after 14 days at 5% w/v
  • Reported differentiation over 12 days with TNNT2 and ACTN2 cardiac markers
  • Reported swelling ratio approximately 19.5–20 and shape retention over 5 days

Results summarize the catalogue’s tested formulations and conditions. Confirm the protocol and formulation relevant to your experiment with MAKBY.

Technical catalogue

Source: October 2026 tissue engineering catalogue, printed page 13. Exact formulation, light dose or exposure time where applicable, storage duration and application-specific handling are available on enquiry.