Nanoclay Bioink Prints 3D Therapeutics

Jun-08-19 A new hydrogel bioink filled with therapeutic proteins could help open the door to 3D-printed tissues and organs.

One of the challenges in printing materials for implant is ensuring the constructs will not activate the immune system. To that end, researchers from Texas A&M created a bioink containing the non-immunogenic PEG (polyethylene glycol) polymer. Nanoclay particles mixed in the PEG help keep it properly viscous and injectable, while also allowing for the incorporation of growth factor proteins for long-term protein therapy.

According to researcher Charles W. Peak, “This formulation using nanoclay sequesters the therapeutic of interest for increased cell activity and proliferation. In addition, the prolonged delivery of the bioactive therapeutic could improve cell migration within 3D printed scaffolds and can help in rapid vascularization of scaffolds.”

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