Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
A gelatin–alginate hydrogel ink incorporating short gelatin fibres guides the self-organization of human cardiomyocytes into contractile tissues that can be 3D-printed into structures mimicking human organs.
Fibre-infused gel scaffolds guide cardiomyocyte alignment in 3D-printed ventricles