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The Researchers 3D Biological Print Tubular Structure, Simulation Of The Blood Vessels And Ducts
Aug 28, 2018

Researchers at the brigham and women's hospital developed a 3D method of biological print tubular structure can better simulate the natural blood vessels and ducts in the human body.3D feature of biological print technology that allows for fine-tuning the organization such as layers and the ability to transport nutrients.These more complex organization provides a potentially viable alternative to damaged tissues.

"Blood vessels in the body is not uniform," the study's senior author, BWH medicine biological engineers Yu Shrike Dr Zhang said."This creature printing method can generate complex tubular structure, in the imitation of human body system structure, technology has higher fidelity than before."

To make 3-d biological printer "ink", researchers will human cells mixed with water gel, water gel is a kind of flexible structure composed of hydrophilic polymer.Then they optimize the chemical properties of water gel, make human body cell proliferation or "seed" in the mixture.

Next, they used the biological ink fill 3D printer ink cartridges.They also developed a custom nozzle, can print up to three layers of continuous tubular structure.Researchers explained: "the perfusion of tubular structure can be on the length of the biological print at regular intervals from single continuous adjustment to three layers."