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What is Bio-Ink?

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  • Written By: Mary McMahon
  • Edited By: Bronwyn Harris
  • Last Modified Date: 09 November 2016
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Bio-ink is a material made from living cells that behaves much like a liquid, allowing people to "print" it in order to create a desired shape. This material was developed by researchers at the University of Missouri, Columbia, with the goal of someday being able to do things like print replacements for failing organs. This technology is only in the very early stages of testing and development, but it shows promise.

To make bio-ink, scientists create a slurry of cells that can be loaded into a cartridge and inserted into a specially designed printer, along with another cartridge containing a gel known as bio-paper. After inputting the standards for the thing they want to print, the researchers trigger the printer, and the cartridges alternate layers to build a three dimensional structure, with the bio-paper creating a supportive matrix that the ink can thrive on.

Through a process that is not yet totally understood, the individual droplets fuse together, eventually latticing upwards through the bio-paper to create a solid structure. Understanding this process and the point at which cells differentiate to accomplish different tasks is an important part of creating a usable material; perhaps someday hospitals will be able to use it to generate tissue and organs for use by their patients.

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The most obvious potential use for bio-ink is in skin grafting. With this technology, labs could quickly create sheets of skin for burn victims and other people who might be in need of grafts. By creating grafts derived from the patient's own cells, it could reduce the risk of rejection and scarring. Bio-ink could also be used to make replacements for vascular material removed during surgeries, allowing people to receive new veins and arteries.

Eventually, entire organs could be constructed from this material. Since organs are in short supply around the world, bio-ink could potentially save untold numbers of lives, as patients would no longer have to wait on the transplant list for new organs. The use of such organs could also allay fears about contaminated organ supplies or unscrupulous organ acquisition methods.

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anon993026
Post 4

Apparently a company called CELLINK has come out with the first "universal" bioink. I wonder if that includes the cells or if its just a gel material.

anon357659
Post 3

Where do they get the cells from, "Using the patients own cells"? Do they have to take a 1-to-1 ratio of cells that they need to create the organ? Where are they getting these cells to create "bio-ink" in general?

anon340328
Post 2

What is the process to create bio-ink?

msiddique
Post 1

what is lye? how is that is used to make a biodiesel?

Moderator's reply: check out our articles, what is lye? and what is biodiesel fuel? for more information.

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