9/11/2023 0 Comments 3d printed skin for burn victimsThe 3D printable ink containing these species of bacteria is made up of a biocompatible hydrogel (containing hyaluronic acid, long-chain sugar molecules, and pyrogenic silica), which provides the ink with its printable form. And by precisely altering the concentrations of each species of bacteria, objects can be printed with differing physical and functional properties. The new 3D printing platform can be used to print up to four different bacterial inks in a single pass. This, however, is just the tip of the bacterial iceberg. The forward-thinking research group has already experimented with two different bacteria: Pseudomonas putida, which can break down the toxic chemical phenol, produced on a large scale by the chemical industry, and Acetobacter xylinum, which secretes high-purity nanocellulose that can provide pain relief and moisture retention-properties that make it useful for treating burns. Choosing the species of bacteria affects the physical properties of what the researchers are calling 3D printed “biochemical factories” or “minifactories,” which can be printed on the platform and used to make things like artificial skin. They’ve called their incredible 3D printable ink “Flink,” which stands for “functional living ink.”Īccording to these researchers, Flink offers huge potential for biochemistry and biomedicine. That’s a future foreseen by researchers at Swiss university ETH Zurich, who have developed a 3D printing platform that prints with living bacteria-good bacteria, not the kind associated with disease-that gives 3D printed structures incredibly useful functional properties. But imagine if choosing a 3D printing material was more like going to the pet store than the hardware store… ![]() Picking out a 3D printing filament is generally just like any other shopping experience: you pick your favorite based on its performance and the required application. The breakthrough makes it possible to produce high-purity biomedical cellulose or biological materials that can break down toxic substances. ![]() Researchers at the Swiss Federal Institute of Technology in Zurich (ETH Zurich) have developed a biocompatible ink for 3D printing with living bacteria.
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