Science, Space and Technology News 2024
Between day one and day 14 , plant cells 3D printed in hydrogel grow and begin flourishing into yellow clusters. Credit: Adapted from ACS Central Science 2024, DOI: 10.1021/acscentsci.4c00338
Scientists are harnessing cells to make new types of materials that can grow, repair themselves and even respond to their environment. These solid “engineered living materials” are made by embedding cells in an inanimate matrix that’s formed in a desired shape.that they have 3D printed a bioink containing plant cells that were then genetically modified, producing programmable materials. Applications could someday include biomanufacturing and sustainable construction.
After 24 days, the colors produced by plant cells in two different bioinks printed in this leaf-shaped engineered living material are clearly visible. Credit: Adapted from ACS Central Science 2024, DOI: 10.1021/acscentsci.4c00338This bioink mixture was then 3D printed on a flat plate or inside a container filled with another gel to form shapes such as grids, snowflakes, leaves, and spirals. Next, the hydrogel in the printed materials was cured with blue light, hardening the structures.
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