3D-Printed Porous Tissue Derived from Seaweed

Dec-29-18 3D-printed tissues derived from seaweed help pave the way to bioprinting bone and cartilage.

One of the challenges of fabricating tissues in the lab is creating a material porous enough to allow nutrients and oxygen to reach the core and feed the cells inside. To overcome that obstacle, the team from Penn State developed an innovative new approach by combining human fat stem cells with sodium alginate porogens derived from seaweed. The sodium alginate will leave behind tiny pores in the tissue when it dissolves, offering a 3D-printable, breathable material that can be implanted in bone or cartilage.

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