The third ink was designed to melt, not as it warms but as it cools. This meant that once the team had used it to create a network of filaments, it could be chilled, melted and ultimately sucked out of the tissue, leaving a network of hollow tubes in its place
The researchers used three specially developed inks that borrow biological properties from human tissue, enabling a thicker and healthier 3D printed replica
The notion of 3D printed biological tissue holds all kinds of possibilities for drug testing and the reparation of damaged cells, though replicating the complexities of human tissue in a lab presents some very big challenges. A new bioprinting method developed by researchers from the Wyss Institute for Biologically Inspired Engineering at Harvard University has enabled the creation of tissue constructs with small blood vessels and multiple cell types, marking important progress toward the printing of living tissue.
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