The accuracy of conventional 3D printing polymers can only be controlled in the order of 100-200 microns (mainly refers to the diameter of the printed fiber). Considering that the size of the cell is about 10 microns, if you print a biological scaffold, a column with a thickness of 100 microns is 10 Micron-sized cells are a bit like a mountain, and the efficiency of cells crawling across the scaffold is very low. If the wire diameter of the scaffold is reduced to be close to or even smaller than the cell size, what interesting phenomena will there be?

  The team has many years of accumulation in the manufacture of ultra-high-precision scaffolds. The wire diameter of the scaffold can be controlled from 3-50 microns. The pure structure can be realized on the high-precision scaffold to regulate cell growth. For example, we found that cells can grow like bamboo ……In addition to regenerative medicine applications, high-precision scaffolds have the advantages of large specific surface area, good flexibility, and high porosity due to the micro-nano fibers contained in them, and can also be widely used in biochemical sensing and other fields. Related research has been published in Materials Horizons, Small, Biofabrication and other well-known journals (click to view the special introduction), and the stent customization service is now available.

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