Sourcing human tissue samples for biological investigations isn't always easy.
And it's not just because there's a limited supply of human tissue samples. There's also restricted availability of the specific size and type of tissue samples needed for the many projects taking place at any given time.
Unlike two-dimensional cell cultures grown on plates, which most of us still rely on for large parts of our research, bioprinters enable scientists to grow cells in three dimensions. And that better replicates the intricate architecture of human biology. In other words, bioprinting technology allows researchers to make more comparable models for studying healthy and diseased tissue.of some tens, even hundreds, of thousands of pounds.
Anyone who's ever tinkered with it will know that not only is Lego extremely cheap and versatile, but it's also manufactured to very high precision with standardized parts that are globally accessible.. But what remained uncertain was whether we could take the basic notion of a Lego 3D printer - which prints solid 3D structures from plastic - and engineer one that could print soft biological material.
These programmable movements build up layers of the cells to replicate the 3D structure of human tissue, layer by layer.
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