Printing New Tissues (4/14/2006)
Researchers at University of Missouri in Columbia, have demonstrated a new device that prints
different types of tissues such as heart muscle onto biopaper.
Gabor Forgacs, a biophysicist described his technique as bioprinting. It starts by using drops of bioink,
which is made up of clumps of cells that behave like a liquid. The cells are squirted onto the biopaper
in a device that functions similarly to an inkjet printer.
Dr. Forgacs recent achievement was printing a chicken heart. Within 19 hours after the printing process, the
heart began to beat in sync.
Dr. Forgacs is involved with a company called Sciperio, where they hope to commercialize the process and make it
cheaper to duplicate. They have so far developed a device with print heads that deposit chunks of cells
mechanically through a single nozzle. The hope is that the bioprinter will allow a finer control over the
position and density of the cells. This will allow the device to create more complicated tissue structures such
as arteries and organs.
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